Lorthos, the Tidemaker

Umono-blue{5}{U}{U}{U}$0.32
Legendary Creature — Octopus
Lorthos, the Tidemaker card art

Whenever Lorthos attacks, you may pay {8}. If you do, tap up to eight target permanents. Those permanents don't untap during their controllers' next untap steps.

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How Lorthos decks play in EDH

Lorthos, the Tidemaker is a mono-blue commander costing 5UUU, and its legendary creature - octopus line shapes the whole deck around it. The card rewards attacking, so the deck is built to keep creatures pointed at opponents rather than sitting back. The cards below are the ones Lorthos, the Tidemaker decks actually play most often, grouped by the job they do.

Most-played cards

20 cards · about $68.55

Play rates from EDHREC. Prices from Scryfall, refreshed daily.

Ramp (2)

Thrór's Map
Thrór's Map
$0.33
Journeyer's Kite
Journeyer's Kite
$0.18

Card draw (1)

The Theorist, Jace Beleren
The Theorist, Jace Beleren
$39.48

Counterspells (1)

Counterspell
Counterspell
$1.33

Creatures (9)

Sealock Monster
Sealock Monster
$0.10
Elder Deep-Fiend
Elder Deep-Fiend
$0.26
Pearl Lake Ancient
Pearl Lake Ancient
$0.48
Giant Oyster
Giant Oyster
$0.29
Shipbreaker Kraken
Shipbreaker Kraken
$0.22
Scourge of Fleets
Scourge of Fleets
$0.44
Stormtide Leviathan
Stormtide Leviathan
$0.48
Slinn Voda, the Rising Deep
Slinn Voda, the Rising Deep
$0.34
Breaching Leviathan
Breaching Leviathan
$7.46

Synergy & payoffs (7)

Quest for Ula's Temple
Quest for Ula's Temple
$4.39
Breaking Wave
Breaking Wave
$0.70
Quicksilver Amulet
Quicksilver Amulet
$2.21
Whelming Wave
Whelming Wave
$0.76
High Tide
High Tide
$0.80
Sapphire Medallion
Sapphire Medallion
$8.11

Build the full 100

Grimoire generates a complete, Commander-legal Lorthos, the Tidemaker decklist with a written strategy, a full mana base and live prices — from the whole card pool, or only from cards you already own.

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Lorthos deck questions

What colours can I use in a Lorthos, the Tidemaker deck?

Lorthos, the Tidemaker has a mono-blue colour identity, so every card in the deck must be blue or colourless. That includes mana symbols in rules text, not just casting cost.

What are the best cards for Lorthos, the Tidemaker?

The cards played most often in Lorthos, the Tidemaker decks include Thrór's Map, The Theorist, Jace Beleren, Quest for Ula's Temple. The full list of staples above is grouped by the job each card does, so you can see the deck's skeleton rather than just a pile of names.

How much does a Lorthos, the Tidemaker deck cost?

The 20 most-played cards shown above come to roughly $68.55 at current market prices. A complete 100-card build costs more, and Grimoire can generate a budget version instead if you set a price ceiling.

Can I build a Lorthos, the Tidemaker deck from cards I already own?

Yes. Import your collection into Grimoire and choose "my cards" when you build. The generator will only use cards you actually own, and the Missing Cards page shows what you would need to buy to finish any list.

Other mono-blue commanders

Taigam, Master OpportunistArcanis the OmnipotentHakim, LoreweaverMalcolm, Keen-Eyed Navigator