Thassa, God of the Sea

Umono-blue{2}{U}$3.47
Legendary Enchantment Creature — God
Thassa, God of the Sea card art

Indestructible As long as your devotion to blue is less than five, Thassa isn't a creature. (Each {U} in the mana costs of permanents you control counts toward your devotion to blue.) At the beginning of your upkeep, scry 1. {1}{U}: Target creature you control can't be blocked this turn.

Build a deck with Thassa
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How Thassa decks play in EDH

Thassa, God of the Sea is a mono-blue commander costing 2U, and its legendary enchantment creature - god line shapes the whole deck around it. Built-in evasion means damage gets through reliably, so effects that scale that damage are worth more than extra bodies. The cards below are the ones Thassa, God of the Sea decks actually play most often, grouped by the job they do.

Most-played cards

20 cards · about $106

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

Ramp (1)

Omnath, Locus of the Void
Omnath, Locus of the Void
$12.73

Card draw (5)

The Theorist, Jace Beleren
The Theorist, Jace Beleren
$39.48
Sea-Dasher Octopus
Sea-Dasher Octopus
$1.12
Stormsurge Kraken
Stormsurge Kraken
$0.56
Thassa's Bounty
Thassa's Bounty
$0.05
Bident of Thassa
Bident of Thassa
$0.40

Removal (1)

Jace, Reality Sculptor
Jace, Reality Sculptor
$1.43

Counterspells (1)

Counterspell
Counterspell
$1.33

Creatures (7)

Samut, Tyrant of Naktamun
Samut, Tyrant of Naktamun
$16.91
Shipbreaker Kraken
Shipbreaker Kraken
$0.22
Lorthos, the Tidemaker
Lorthos, the Tidemaker
$0.32
Kraken of the Straits
Kraken of the Straits
$0.34
Serpent of Yawning Depths
Serpent of Yawning Depths
$9.55
Breaching Leviathan
Breaching Leviathan
$7.46
Scourge of Fleets
Scourge of Fleets
$0.44

Synergy & payoffs (5)

Enchanted River's Grasp
Enchanted River's Grasp
$0.10
Quest for Ula's Temple
Quest for Ula's Temple
$4.39
Thassa's Ire
Thassa's Ire
$0.20
Sapphire Medallion
Sapphire Medallion
$8.11
High Tide
High Tide
$0.80

Build the full 100

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

Start with Thassa

Thassa deck questions

What colours can I use in a Thassa, God of the Sea deck?

Thassa, God of the Sea 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 Thassa, God of the Sea?

The cards played most often in Thassa, God of the Sea decks include Enchanted River's Grasp, The Theorist, Jace Beleren, Samut, Tyrant of Naktamun. 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 Thassa, God of the Sea deck cost?

The 20 most-played cards shown above come to roughly $106 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 Thassa, God of the Sea 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

Brinelin, the Moon KrakenIrma, Part-Time MutantMyojin of Cryptic DreamsThe Terror of Serpent's Pass