Gargos, Vicious Watcher - Built around Managorger Hydra, Kalonian Hydra and Hungering Hydra

Managorger Hydra

Creature — Hydra

$0.37

Trample Whenever a player casts a spell, put a +1/+1 counter on this creature.

Kalonian Hydra

Creature — Hydra

$6.07

Trample This creature enters with four +1/+1 counters on it. Whenever this creature attacks, double the number of +1/+1 counters on each creature you control.

Voracious Hydra

Creature — Hydra

$0.31

Trample This creature enters with X +1/+1 counters on it. When this creature enters, choose one — • Double the number of +1/+1 counters on this creature. • This creature fights target creature you don't control.

Hungering Hydra

Creature — Hydra

$2.93

This creature enters with X +1/+1 counters on it. This creature can't be blocked by more than one creature. Whenever this creature is dealt damage, put that many +1/+1 counters on it. (It must survive the damage to get the counters.)

Lifeblood Hydra

Creature — Hydra

$0.34

Trample This creature enters with X +1/+1 counters on it. When this creature dies, you gain life and draw cards equal to its power.

Hydra Omnivore

Creature — Hydra

$1.55

Whenever this creature deals combat damage to an opponent, it deals that much damage to each other opponent.

Primordial Hydra

Creature — Hydra

$1.41

This creature enters with X +1/+1 counters on it. At the beginning of your upkeep, double the number of +1/+1 counters on this creature. This creature has trample as long as it has ten or more +1/+1 counters on it.

Steelbane Hydra

Creature — Turtle Hydra

$0.3

This creature enters with X +1/+1 counters on it. {2}{G}, Remove a +1/+1 counter from this creature: Destroy target artifact or enchantment.

Genesis Hydra

Creature — Plant Hydra

$0.37

When you cast this spell, reveal the top X cards of your library. You may put a nonland permanent card with mana value X or less from among them onto the battlefield. Then shuffle the rest into your library. This creature enters with X +1/+1 counters on it.

Nessian Wilds Ravager

Creature — Hydra

$0.36

Tribute 6 (As this creature enters, an opponent of your choice may put six +1/+1 counters on it.) When this creature enters, if tribute wasn't paid, you may have this creature fight another target creature. (Each deals damage equal to its power to the other.)

Vastwood Hydra

Creature — Hydra

$1.17

This creature enters with X +1/+1 counters on it. When this creature dies, you may distribute a number of +1/+1 counters equal to the number of +1/+1 counters on this creature among any number of creatures you control.

Stumpsquall Hydra

Creature — Hydra

$0.53

When this creature enters, distribute X +1/+1 counters among it and any number of commanders.

Protean Hydra

Creature — Hydra

$4.38

This creature enters with X +1/+1 counters on it. If damage would be dealt to this creature, prevent that damage and remove that many +1/+1 counters from it. Whenever a +1/+1 counter is removed from this creature, put two +1/+1 counters on it at the beginning of the next end step.

Neverwinter Hydra

Creature — Hydra

$7.36

As this creature enters, roll X d6. It enters with a number of +1/+1 counters on it equal to the total of those results. Trample Ward {4} (Whenever this creature becomes the target of a spell or ability an opponent controls, counter it unless that player pays {4}.)

Ironscale Hydra

Creature — Hydra

$0.49

If a creature would deal combat damage to this creature, prevent that damage and put a +1/+1 counter on this creature.

Nexos

Creature — Human Tyranid Advisor

$8.51

Strategic Coordinator — Basic lands you control have "{T}: Add {C}{C}. Spend this mana only on costs that contain {X}."

Wren's Run Hydra

Creature — Hydra

$0.28

Reach This creature enters with X +1/+1 counters on it. Reinforce X—{X}{G}{G} ({X}{G}{G}, Discard this card: Put X +1/+1 counters on target creature.)

Scourge of Skola Vale

Creature — Hydra

$0.36

Trample This creature enters with two +1/+1 counters on it. {T}, Sacrifice another creature: Put a number of +1/+1 counters on this creature equal to the sacrificed creature's toughness.

Ulvenwald Hydra

Creature — Hydra

$0.46

Reach Ulvenwald Hydra's power and toughness are each equal to the number of lands you control. When this creature enters, you may search your library for a land card, put it onto the battlefield tapped, then shuffle.

Hydra Broodmaster

Creature — Hydra

$0.25

{X}{X}{G}: Monstrosity X. (If this creature isn't monstrous, put X +1/+1 counters on it and it becomes monstrous.) When this creature becomes monstrous, create X X/X green Hydra creature tokens.

Goldvein Hydra

Creature — Hydra

$3.3

Vigilance, trample, haste This creature enters with X +1/+1 counters on it. When this creature dies, create a number of tapped Treasure tokens equal to its power.

Mistcutter Hydra

Creature — Hydra

$2.25

This spell can't be countered. Haste, protection from blue This creature enters with X +1/+1 counters on it.

Whiptongue Hydra

Creature — Lizard Hydra

$0.4

Reach When this creature enters, destroy all creatures with flying. Put a +1/+1 counter on this creature for each creature destroyed this way.

Oran-Rief Hydra

Creature — Hydra

$0.41

Trample Landfall — Whenever a land you control enters, put a +1/+1 counter on this creature. If that land is a Forest, put two +1/+1 counters on this creature instead.

Mossborn Hydra

Creature — Elemental Hydra

$13.54

Trample (This creature can deal excess combat damage to the player or planeswalker it's attacking.) This creature enters with a +1/+1 counter on it. Landfall — Whenever a land you control enters, double the number of +1/+1 counters on this creature.

Hooded Hydra

Creature — Snake Hydra

$0.96

This creature enters with X +1/+1 counters on it. When this creature dies, create a 1/1 green Snake creature token for each +1/+1 counter on it. Morph {3}{G}{G} As this creature is turned face up, put five +1/+1 counters on it.

Llanowar Elves

Creature — Elf Druid

$0.25

{T}: Add {G}.

Nyxborn Hydra

Enchantment Creature — Hydra

$0.37

Bestow {X}{G}{G} (If you cast this card for its bestow cost, it's an Aura spell with enchant creature. It becomes a creature again if it's not attached.) Reach, trample This permanent enters with X +1/+1 counters on it. Enchanted creature gets +1/+1 for each +1/+1 counter on this Aura and has reach and trample.

Heroes' Bane

Creature — Hydra

$0.14

This creature enters with four +1/+1 counters on it. {2}{G}{G}: Put X +1/+1 counters on this creature, where X is its power.

Benevolent Hydra

Creature — Hydra

$0.75

This creature enters with X +1/+1 counters on it. If one or more +1/+1 counters would be put on another creature you control, that many plus one +1/+1 counters are put on it instead. {T}, Remove a +1/+1 counter from this creature: Put a +1/+1 counter on another target creature you control.

Warden of the Grove

Creature — Hydra

$1.58

At the beginning of your end step, put a +1/+1 counter on this creature. Whenever another nontoken creature you control enters, it endures X, where X is the number of counters on this creature. (Put X +1/+1 counters on the creature that entered or create an X/X white Spirit creature token.)

Rampant Rejuvenator

Creature — Plant Hydra

$0.23

This creature enters with two +1/+1 counters on it. When this creature dies, search your library for up to X basic land cards, where X is this creature's power, put them onto the battlefield, then shuffle.

Elvish Mystic

Creature — Elf Druid

$0.35

{T}: Add {G}.

Selvala, Heart of the Wilds

Legendary Creature — Elf Scout

$5.38

Whenever another creature enters, its controller may draw a card if its power is greater than each other creature's power. {G}, {T}: Add X mana in any combination of colors, where X is the greatest power among creatures you control.

Fanatic of Rhonas

Creature — Snake Druid

$12.43

{T}: Add {G}. Ferocious — {T}: Add {G}{G}{G}{G}. Activate only if you control a creature with power 4 or greater. Eternalize {2}{G}{G} ({2}{G}{G}, Exile this card from your graveyard: Create a token that's a copy of it, except it's a 4/4 black Zombie Snake Druid with no mana cost. Eternalize only as a sorcery.)

Karametra's Acolyte

Creature — Human Druid

$0.38

{T}: Add an amount of {G} equal to your devotion to green. (Each {G} in the mana costs of permanents you control counts toward your devotion to green.)

Apex Devastator

Creature — Chimera Hydra

$7.87

Cascade, cascade, cascade, cascade (When you cast this spell, exile cards from the top of your library until you exile a nonland card that costs less. You may cast it without paying its mana cost. Put the exiled cards on the bottom in a random order. Multiple instances of cascade each trigger separately.)

Llanowar Tribe

Creature — Elf Druid

$0.29

{T}: Add {G}{G}{G}.

Polukranos, World Eater

Legendary Creature — Hydra

$0.6

{X}{X}{G}: Monstrosity X. (If this creature isn't monstrous, put X +1/+1 counters on it and it becomes monstrous.) When Polukranos becomes monstrous, it deals X damage divided as you choose among any number of target creatures your opponents control. Each of those creatures deals damage equal to its power to Polukranos.

Feral Hydra

Creature — Hydra Beast

$0.16

This creature enters with X +1/+1 counters on it. {3}: Put a +1/+1 counter on this creature. Any player may activate this ability.

Capricopian

Creature — Goat Hydra

$1.48

This creature enters with X +1/+1 counters on it. {2}: Put a +1/+1 counter on this creature, then you may reselect which player this creature is attacking. Only the player this creature is attacking may activate this ability and only during the declare attackers step. (It can't attack its controller.)

Beast Whisperer

Creature — Elf Druid

$3.73

Whenever you cast a creature spell, draw a card.

Rampaging Aetherhood

Creature — Snake Hydra

$0.24

Trample, ward {2} At the beginning of your upkeep, you get an amount of {E} (energy counters) equal to this creature's power. Then you may pay one or more {E}. If you do, put that many +1/+1 counters on this creature.

Fyndhorn Elves

Creature — Elf Druid

$0.89

{T}: Add {G}.

Sakura-Tribe Elder

Creature — Snake Shaman

$0.29

Sacrifice this creature: Search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.

Kodama of the West Tree

Legendary Creature — Spirit

$19.37

Reach Modified creatures you control have trample. (Equipment, Auras you control, and counters are modifications.) Whenever a modified creature you control deals combat damage to a player, search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

Arbor Elf

Creature — Elf Druid

$0.37

{T}: Untap target Forest.

Reclamation Sage

Creature — Elf Shaman

$0.2

When this creature enters, you may destroy target artifact or enchantment.

Beast Within

Instant

$0.47

Destroy target permanent. Its controller creates a 3/3 green Beast creature token.

Inspiring Call

Instant

$0.28

Draw a card for each creature you control with a +1/+1 counter on it. Those creatures gain indestructible until end of turn. (Damage and effects that say "destroy" don't destroy them.)

Return of the Wildspeaker

Instant

$1.5

Choose one — • Draw cards equal to the greatest power among non-Human creatures you control. • Non-Human creatures you control get +3/+3 until end of turn.

Ram Through

Instant

$0.26

Target creature you control deals damage equal to its power to target creature you don't control. If the creature you control has trample, excess damage is dealt to that creature's controller instead.

Hunter's Insight

Instant

$0.31

Choose target creature you control. Whenever that creature deals combat damage to a player or planeswalker this turn, draw that many cards.

Collective Resistance

Instant

$0.64

Escalate {G} (Pay this cost for each mode chosen beyond the first.) Choose one or more — • Destroy target artifact. • Destroy target enchantment. • Target creature gains hexproof and indestructible until end of turn.

Return to Nature

Instant

$0.18

Choose one — • Destroy target artifact. • Destroy target enchantment. • Exile target card from a graveyard.

Nature's Claim

Instant

$0.66

Destroy target artifact or enchantment. Its controller gains 4 life.

Momentous Fall

Instant

$3.52

As an additional cost to cast this spell, sacrifice a creature. You draw cards equal to the sacrificed creature's power, then you gain life equal to its toughness.

Warriors' Lesson

Instant

$0.15

Until end of turn, up to two target creatures you control each gain "Whenever this creature deals combat damage to a player, draw a card."

Rishkar's Expertise

Sorcery

$1.7

Draw cards equal to the greatest power among creatures you control. You may cast a spell with mana value 5 or less from your hand without paying its mana cost.

Season of Gathering

Sorcery

$6.12

Choose up to five {P} worth of modes. You may choose the same mode more than once. {P} — Put a +1/+1 counter on a creature you control. It gains vigilance and trample until end of turn. {P}{P} — Choose artifact or enchantment. Destroy all permanents of the chosen type. {P}{P}{P} — Draw cards equal to the greatest power among creatures you control.

Monstrous Onslaught

Sorcery

$0.1

Monstrous Onslaught deals X damage divided as you choose among any number of target creatures, where X is the greatest power among creatures you control as you cast this spell.

Garruk's Uprising

Enchantment

$0.4

When this enchantment enters, if you control a creature with power 4 or greater, draw a card. Creatures you control have trample. (Each of those creatures can deal excess combat damage to the player or planeswalker it's attacking.) Whenever a creature you control with power 4 or greater enters, draw a card.

Unbound Flourishing

Enchantment

$2.13

Whenever you cast a permanent spell with a mana cost that contains {X}, double the value of X. Whenever you cast an instant or sorcery spell or activate an ability, if that spell's mana cost or that ability's activation cost contains {X}, copy that spell or ability. You may choose new targets for the copy.

Rogue's Passage

Land

$0.29

{T}: Add {C}. {4}, {T}: Target creature can't be blocked this turn.

Castle Garenbrig

Land

$8.89

This land enters tapped unless you control a Forest. {T}: Add {G}. {2}{G}{G}, {T}: Add six {G}. Spend this mana only to cast creature spells or activate abilities of creatures.

Reliquary Tower

Land

$4.19

You have no maximum hand size. {T}: Add {C}.

Lair of the Hydra

Land

$0.34

If you control two or more other lands, this land enters tapped. {T}: Add {G}. {X}{G}: Until end of turn, this land becomes an X/X green Hydra creature. It's still a land. X can't be 0.

Mosswort Bridge

Land

$0.23

Hideaway 4 (When this land enters, look at the top four cards of your library, exile one face down, then put the rest on the bottom in a random order.) This land enters tapped. {T}: Add {G}. {G}, {T}: You may play the exiled card without paying its mana cost if creatures you control have total power 10 or greater.

Oran-Rief, the Vastwood

Land

$0.38

This land enters tapped. {T}: Add {G}. {T}: Put a +1/+1 counter on each green creature that entered this turn.

Temple of the False God

Land

$0.19

{T}: Add {C}{C}. Activate only if you control five or more lands.

Karn's Bastion

Land

$2.7

{T}: Add {C}. {4}, {T}: Proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

War Room

Land

$0.74

{T}: Add {C}. {3}, {T}, Pay life equal to the number of colors in your commanders' color identity: Draw a card.

Bonders' Enclave

Land

$0.23

{T}: Add {C}. {3}, {T}: Draw a card. Activate only if you control a creature with power 4 or greater.

Tranquil Thicket

Land

$0.11

This land enters tapped. {T}: Add {G}. Cycling {G} ({G}, Discard this card: Draw a card.)

Command Beacon

Land

$8.34

{T}: Add {C}. {T}, Sacrifice this land: Put your commander into your hand from the command zone.

Scavenger Grounds

Land — Desert

$0.27

{T}: Add {C}. {2}, {T}, Sacrifice a Desert: Exile all graveyards.

Secret Tunnel

Land — Cave

$2.35

This land can't be blocked. {T}: Add {C}. {4}, {T}: Two target creatures you control that share a creature type can't be blocked this turn.

Arcane Lighthouse

Land

$1.7

{T}: Add {C}. {1}, {T}: Until end of turn, creatures your opponents control lose hexproof and shroud and can't have hexproof or shroud.

Llanowar Reborn

Land

$0.21

This land enters tapped. {T}: Add {G}. Graft 1 (This land enters with a +1/+1 counter on it. Whenever a creature enters, you may move a +1/+1 counter from this land onto it.)

Shifting Woodland

Land

$6.93

This land enters tapped unless you control a Forest. {T}: Add {G}. Delirium — {2}{G}{G}: This land becomes a copy of target permanent card in your graveyard until end of turn. Activate only if there are four or more card types among cards in your graveyard.

Myriad Landscape

Land

$0.25

This land enters tapped. {T}: Add {C}. {2}, {T}, Sacrifice this land: Search your library for up to two basic land cards that share a land type, put them onto the battlefield tapped, then shuffle.