Tiamat - Built around Miirym, Sentinel Wyrm, Dragonspeaker Shaman and Lathliss, Dragon Queen

Miirym, Sentinel Wyrm

Legendary Creature — Dragon Spirit

$4.59

Flying, ward {2} Whenever another nontoken Dragon you control enters, create a token that's a copy of it, except the token isn't legendary.

Dragonspeaker Shaman

Creature — Human Barbarian Shaman

$0.56

Dragon spells you cast cost {2} less to cast.

Lathliss, Dragon Queen

Legendary Creature — Dragon

$0.37

Flying Whenever another nontoken Dragon you control enters, create a 5/5 red Dragon creature token with flying. {1}{R}: Dragons you control get +1/+0 until end of turn.

Atarka, World Render

Legendary Creature — Dragon

$0.47

Flying, trample Whenever a Dragon you control attacks, it gains double strike until end of turn.

Terror of the Peaks

Creature — Dragon

$25.1

Flying Spells your opponents cast that target this creature cost an additional 3 life to cast. Whenever another creature you control enters, this creature deals damage equal to that creature's power to any target.

Blue Dragon

Creature — Dragon

$0.21

Flying Lightning Breath — When this creature enters, until your next turn, target creature an opponent controls gets -3/-0, up to one other target creature gets -2/-0, and up to one other target creature gets -1/-0.

Green Dragon

Creature — Dragon

$0.21

Flying Poison Breath — When this creature enters, until end of turn, whenever a creature an opponent controls is dealt damage, destroy it.

White Dragon

Creature — Dragon

$0.2

Flying Cold Breath — When this creature enters, tap target creature an opponent controls. That creature doesn't untap during its controller's next untap step.

Black Dragon

Creature — Dragon

$0.25

Flying Acid Breath — When this creature enters, target creature an opponent controls gets -3/-3 until end of turn.

Red Dragon

Creature — Dragon

$0.32

Flying Fire Breath — When this creature enters, it deals 4 damage to each opponent.

Minion of the Mighty

Creature — Kobold

$0.28

Menace Pack tactics — Whenever this creature attacks, if you attacked with creatures with total power 6 or greater this combat, you may put a Dragon creature card from your hand onto the battlefield tapped and attacking.

Icingdeath, Frost Tyrant

Legendary Creature — Dragon

$0.94

Flying, vigilance When Icingdeath, Frost Tyrant dies, create Icingdeath, Frost Tongue, a legendary white Equipment artifact token with "Equipped creature gets +2/+0," "Whenever equipped creature attacks, tap target creature defending player controls," and equip {2}.

Ebondeath, Dracolich

Legendary Creature — Zombie Dragon

$4.29

Flash Flying Ebondeath enters tapped. You may cast this card from your graveyard if a creature not named Ebondeath, Dracolich died this turn.

Dragonlord's Servant

Creature — Goblin Shaman

$0.25

Dragon spells you cast cost {1} less to cast.

Dragonlord Dromoka

Legendary Creature — Elder Dragon

$1.77

This spell can't be countered. Flying, lifelink Your opponents can't cast spells during your turn.

Rivaz of the Claw

Legendary Creature — Lizard Warlock

$1.03

Menace {T}: Add two mana in any combination of colors. Spend this mana only to cast Dragon creature spells. Once during each of your turns, you may cast a Dragon creature spell from your graveyard. Whenever you cast a Dragon creature spell from your graveyard, it gains "When this creature dies, exile it."

Scourge of Valkas

Creature — Dragon

$1.55

Flying Whenever this creature or another Dragon you control enters, it deals X damage to any target, where X is the number of Dragons you control. {R}: This creature gets +1/+0 until end of turn.

Korlessa, Scale Singer

Legendary Creature — Dragon Bard

$0.21

You may look at the top card of your library any time. You may cast Dragon spells from the top of your library.

Goldspan Dragon

Creature — Dragon

$11.17

Flying, haste Whenever this creature attacks or becomes the target of a spell, create a Treasure token. Treasures you control have "{T}, Sacrifice this artifact: Add two mana of any one color."

Sarkhan, Soul Aflame

Legendary Creature — Human Shaman

$0.83

Dragon spells you cast cost {1} less to cast. Whenever a Dragon you control enters, you may have Sarkhan become a copy of it until end of turn, except its name is Sarkhan, Soul Aflame and it's legendary in addition to its other types.

Ganax, Astral Hunter

Legendary Creature — Dragon

$4.22

Flying Whenever Ganax or another Dragon you control enters, create a Treasure token. (It's an artifact with "{T}, Sacrifice this token: Add one mana of any color.") Choose a Background (You can have a Background as a second commander.)

Thrakkus the Butcher

Legendary Creature — Dragon Peasant

$0.33

Trample Whenever Thrakkus attacks, double the power of each Dragon you control until end of turn.

Rith, Liberated Primeval

Legendary Creature — Dragon

$1.46

Flying, ward {2} Other Dragons you control have ward {2}. At the beginning of your end step, if a creature or planeswalker an opponent controlled was dealt excess damage this turn, create a 4/4 red Dragon creature token with flying.

Ureni of the Unwritten

Legendary Creature — Spirit Dragon

$21.48

Flying, trample Whenever Ureni enters or attacks, look at the top eight cards of your library. You may put a Dragon creature card from among them onto the battlefield. Put the rest on the bottom of your library in a random order.

Birds of Paradise

Creature — Bird

$4.98

Flying {T}: Add one mana of any color.

Klauth, Unrivaled Ancient

Legendary Creature — Dragon

$11.61

Flying, haste Whenever Klauth attacks, add X mana in any combination of colors, where X is the total power of attacking creatures. Spend this mana only to cast spells. Until end of turn, you don't lose this mana as steps and phases end.

The Ur-Dragon

Legendary Creature — Dragon Avatar

$35.44

Eminence — As long as The Ur-Dragon is in the command zone or on the battlefield, other Dragon spells you cast cost {1} less to cast. Flying Whenever one or more Dragons you control attack, draw that many cards, then you may put a permanent card from your hand onto the battlefield.

Savage Ventmaw

Creature — Dragon

$0.4

Flying Whenever this creature attacks, add {R}{R}{R}{G}{G}{G}. Until end of turn, you don't lose this mana as steps and phases end.

Lozhan, Dragons' Legacy

Legendary Creature — Dragon Shaman

$0.24

Flying Whenever you cast an Adventure or Dragon spell, Lozhan deals damage equal to that spell's mana value to any target that isn't a commander.

Dragonmaster Outcast

Creature — Human Shaman

$0.35

At the beginning of your upkeep, if you control six or more lands, create a 5/5 red Dragon creature token with flying.

Scaled Nurturer

Creature — Dragon Druid

$0.28

{T}: Add {G}. When you spend this mana to cast a Dragon creature spell, you gain 2 life.

Ramos, Dragon Engine

Legendary Artifact Creature — Dragon

$0.38

Flying Whenever you cast a spell, put a +1/+1 counter on Ramos for each of that spell's colors. Remove five +1/+1 counters from Ramos: Add {W}{W}{U}{U}{B}{B}{R}{R}{G}{G}. Activate only once each turn.

Wrathful Red Dragon

Creature — Dragon

$9.8

Flying Whenever a Dragon you control is dealt damage, it deals that much damage to any target that isn't a Dragon.

Two-Headed Hellkite

Creature — Dragon

$7.21

Flying, menace, haste Whenever this creature attacks, draw two cards.

Bloom Tender

Creature — Elf Druid

$13.15

Vivid — {T}: For each color among permanents you control, add one mana of that color.

Balefire Dragon

Creature — Dragon

$14.66

Flying Whenever this creature deals combat damage to a player, it deals that much damage to each creature that player controls.

Ignoble Hierarch

Creature — Goblin Shaman

$0.95

Exalted (Whenever a creature you control attacks alone, that creature gets +1/+1 until end of turn.) {T}: Add {B}, {R}, or {G}.

Betor, Kin to All

Legendary Creature — Spirit Dragon

$6.04

Flying At the beginning of your end step, if creatures you control have total toughness 10 or greater, draw a card. Then if creatures you control have total toughness 20 or greater, untap each creature you control. Then if creatures you control have total toughness 40 or greater, each opponent loses half their life, rounded up.

Silumgar, the Drifting Death

Legendary Creature — Dragon

$0.41

Flying, hexproof Whenever a Dragon you control attacks, creatures defending player controls get -1/-1 until end of turn.

Drakuseth, Maw of Flames

Legendary Creature — Dragon

$0.37

Flying Whenever Drakuseth attacks, Drakuseth deals 4 damage to any target and 3 damage to each of up to two other targets.

Iymrith, Desert Doom

Legendary Creature — Dragon

$1.05

Flying Iymrith has ward {4} as long as it's untapped. Whenever Iymrith deals combat damage to a player, draw a card. Then if you have fewer than three cards in hand, draw cards equal to the difference.

Dragon's Fire

Instant

$0.25

As an additional cost to cast this spell, you may reveal a Dragon card from your hand or choose a Dragon you control. Dragon's Fire deals 3 damage to target creature or planeswalker. If you revealed a Dragon card or chose a Dragon as you cast this spell, Dragon's Fire deals damage equal to the power of that card or creature instead.

Swords to Plowshares

Instant

$0.89

Exile target creature. Its controller gains life equal to its power.

Growth Spiral

Instant

$0.28

Draw a card. You may put a land card from your hand onto the battlefield.

Dark Ritual

Instant

$0.44

Add {B}{B}{B}.

Draconic Lore

Instant

$0.2

This spell costs {2} less to cast if you control a Dragon. Draw three cards.

Silence

Instant

$7.51

Your opponents can't cast spells this turn.

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.

Brainstorm

Instant

$0.57

Draw three cards, then put two cards from your hand on top of your library in any order.

Crux of Fate

Sorcery

$0.38

Choose one — • Destroy all Dragon creatures. • Destroy all non-Dragon creatures.

Farseek

Sorcery

$0.4

Search your library for a Plains, Island, Swamp, or Mountain card, put it onto the battlefield tapped, then shuffle.

Last March of the Ents

Sorcery

$23.1

This spell can't be countered. Draw cards equal to the greatest toughness among creatures you control, then put any number of creature cards from your hand onto the battlefield.

Reanimate

Sorcery

$6.61

Put target creature card from a graveyard onto the battlefield under your control. You lose life equal to that card's mana value.

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.

Dragon Tempest

Enchantment

$1.72

Whenever a creature you control with flying enters, it gains haste until end of turn. Whenever a Dragon you control enters, it deals X damage to any target, where X is the number of Dragons you control.

Call the Spirit Dragons

Enchantment

$2.8

Dragons you control have indestructible. At the beginning of your upkeep, for each color, put a +1/+1 counter on a Dragon you control of that color. If you put +1/+1 counters on five Dragons this way, you win the game.

Dream Halls

Enchantment

$33.96

Rather than pay the mana cost for a spell, its controller may discard a card that shares a color with that spell.

Temur Ascendancy

Enchantment

$3.67

Creatures you control have haste. Whenever a creature you control with power 4 or greater enters, you may draw a card.

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.

Reliquary Tower

Land

$4.19

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

Crucible of the Spirit Dragon

Land

$0.62

{T}: Add {C}. {1}, {T}: Put a storage counter on this land. {T}, Remove X storage counters from this land: Add X mana in any combination of colors. Spend this mana only to cast Dragon spells or activate abilities of Dragons.

Mistrise Village

Land

$7.41

This land enters tapped unless you control a Mountain or a Forest. {T}: Add {U}. {U}, {T}: The next spell you cast this turn can't be countered.

Temple of the False God

Land

$0.19

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

Cascading Cataracts

Land

$1.49

Indestructible {T}: Add {C}. {5}, {T}: Add five mana in any combination of colors.

Cave of the Frost Dragon

Land

$0.41

If you control two or more other lands, this land enters tapped. {T}: Add {W}. {4}{W}: This land becomes a 3/4 white Dragon creature with flying until end of turn. It's still a land.

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.

Treasure Vault

Artifact Land

$1.37

{T}: Add {C}. {X}{X}, {T}, Sacrifice this land: Create X Treasure tokens.

Command Tower

Land

$0.24

{T}: Add one mana of any color in your commander's color identity.

Exotic Orchard

Land

$0.17

{T}: Add one mana of any color that a land an opponent controls could produce.

Haven of the Spirit Dragon

Land

$0.34

{T}: Add {C}. {T}: Add one mana of any color. Spend this mana only to cast a Dragon creature spell. {2}, {T}, Sacrifice this land: Return target Dragon creature card or Ugin planeswalker card from your graveyard to your hand.

Path of Ancestry

Land

$0.18

This land enters tapped. {T}: Add one mana of any color in your commander's color identity. When that mana is spent to cast a creature spell that shares a creature type with your commander, scry 1. (Look at the top card of your library. You may put that card on the bottom.)

Maelstrom of the Spirit Dragon

Land

$1.29

{T}: Add {C}. {T}: Add one mana of any color. Spend this mana only to cast a Dragon spell or an Omen spell. {4}, {T}, Sacrifice this land: Search your library for a Dragon card, reveal it, put it into your hand, then shuffle.

Temple of the Dragon Queen

Land

$0.34

As this land enters, you may reveal a Dragon card from your hand. This land enters tapped unless you revealed a Dragon card this way or you control a Dragon. As this land enters, choose a color. {T}: Add one mana of the chosen color.

Stomping Ground

Land — Mountain Forest

$6.61

({T}: Add {R} or {G}.) As this land enters, you may pay 2 life. If you don't, it enters tapped.

Breeding Pool

Land — Forest Island

$9.52

({T}: Add {G} or {U}.) As this land enters, you may pay 2 life. If you don't, it enters tapped.

Steam Vents

Land — Island Mountain

$10.05

({T}: Add {U} or {R}.) As this land enters, you may pay 2 life. If you don't, it enters tapped.

Overgrown Tomb

Land — Swamp Forest

$8.75

({T}: Add {B} or {G}.) As this land enters, you may pay 2 life. If you don't, it enters tapped.