Arcane Foundry › Commanders › Thassa, Deep-Dwelling
Thassa, Deep-Dwelling
Legendary Enchantment Creature — God · {3}{U} · Blue commander
Indestructible
As long as your devotion to blue is less than five, Thassa isn't a creature.
At the beginning of your end step, exile up to one other target creature you control, then return that card to the battlefield under your control.
{3}{U}: Tap another target creature.
Build a Thassa, Deep-Dwelling deck →
What Thassa, Deep-Dwelling actually does
Read off the card by the same engine the Forge and Analyzer use — this is the mechanical classification, not a summary.
- Triggered ability · end_stepAt the beginning of your end step, exile up to one other target creature you control, then return that card to the battlefield under your control.
- Activated ability{3}{U}: Tap another target creature.
- Keyword · indestructibleindestructible
- AbilityAs long as your devotion to blue is less than five, Thassa isn't a creature.
What a Thassa, Deep-Dwelling deck needs
Plays as blink engine. What the commander asks of the other 99 — read from the card and checked by hand.
- permanents heavy in blue mana pips (its text counts your devotion to blue)
- permanents with enter-the-battlefield triggers (it blinks them on a schedule)
The Thassa, Deep-Dwelling deck plan
The roles the Forge fills for this commander, and how many cards of each.
- 23× A permanent whose value is in its enter-the-battlefield trigger — the payload a blink deck reuses
- 8× Evasion that does NOT target or attach — for a commander your own auras and equipment cannot legally touch
- 8× Exile a permanent you control and return it — the button a value-ETB deck presses
- 5× Actually remove one problem permanent — preventing its damage is not removing it
- 9× Find the exact card the plan needs
- 2× Answer a spell or ability before it resolves
- 1× Answer a whole board at once
- 7× Refill your hand
- 2× Keep a permanent you control alive through removal
Best cards for Thassa, Deep-Dwelling
Ranked by an engine that reads what each card does — its real cost, its delay and how reliably it works — rather than counting how often other people play it.
A permanent whose value is in its enter-the-battlefield trigger — the payload a blink deck reuses
- Solemn Simulacrum4 mana
- Thousand-Faced Shadow1 mana
- Snapcaster Mage2 mana
- Wan Shi Tong, Librarian2 mana
- Archaeomancer4 mana
- Urza, Lord High Artificer4 mana
- Aether Channeler3 mana
- Spellseeker3 mana
Evasion that does NOT target or attach — for a commander your own auras and equipment cannot legally touch
- Tetsuko Umezawa, Fugitive2 mana
- Glaring Spotlight1 mana
- Wonder4 mana
- Reverse the Polarity3 mana
- Inquisitorial Rosette2 mana
- Archetype of Imagination6 mana
- Eldrazi Monument5 mana
- Akroma's Memorial7 mana
Exile a permanent you control and return it — the button a value-ETB deck presses
- Displacer Kitten4 mana
- Conjurer's Closet5 mana
- Gossip's Talent2 mana
- Thassa, Deep-Dwelling4 mana
- Nephalia Smuggler1 mana
- Voyager Staff1 mana
- Jill, Shiva's Dominant // Shiva, Warden of Ice3 mana
- Deadeye Navigator6 mana
Actually remove one problem permanent — preventing its damage is not removing it
- Reality Shift2 mana
- Pongify1 mana
- Rapid Hybridization1 mana
- Resculpt2 mana
- Umezawa's Jitte2 mana
- Titan's Presence3 mana
- Icy Prison2 mana
- Kozilek's Command2 mana
Find the exact card the plan needs
- Reshape2 mana
- Mask of the Mimic1 mana
- Long-Term Plans3 mana
- Whir of Invention3 mana
- Merchant Scroll2 mana
- Mystical Tutor1 mana
- Muddle the Mixture2 mana
- Personal Tutor1 mana
Answer a spell or ability before it resolves
- Mindbreak Trap4 mana
- Fierce Guardianship3 mana
- Force of Negation3 mana
- Force of Will5 mana
- Flare of Denial3 mana
- Pact of Negation0 mana
- An Offer You Can't Refuse1 mana
- Arcane Denial2 mana
Answer a whole board at once
- Desynchronization4 mana
- Wave Goodbye4 mana
- Whelming Wave4 mana
- Consuming Tide4 mana
- Selective Obliteration5 mana
- Evacuation5 mana
- Perplexing Test5 mana
- Cyclonic Rift2 mana
Refill your hand
- Mystic Remora1 mana
- Skullclamp1 mana
- Curiosity1 mana
- Wizard Class1 mana
- Rhystic Study3 mana
- Faerie Mastermind2 mana
- The One Ring4 mana
- Combat Research1 mana
Keep a permanent you control alive through removal
- Lost in the Maze2 mana
- Lightning Greaves2 mana
- Swiftfoot Boots2 mana
- Eldrazi Monument5 mana
- Commander's Plate1 mana
- Mithril Coat3 mana
- Akroma's Memorial7 mana
- The Walls of Ba Sing Se8 mana
Combos with Thassa, Deep-Dwelling
Known combos from Commander Spellbook that Thassa, Deep-Dwelling is a piece of, and how many decks list them.
- Thassa, Deep-Dwelling + Archaeomancer + Time Warp2,630 decks
- Thassa, Deep-Dwelling + Archaeomancer + Temporal Manipulation1,610 decks
- Thassa, Deep-Dwelling + Archaeomancer + Time Stretch766 decks
- Thassa, Deep-Dwelling + Azor, The Lawbringer725 decks
- Thassa, Deep-Dwelling + Archaeomancer + Capture Of Jingzhou711 decks
- Thassa, Deep-Dwelling + Wernog, Rider's Chaplain + Time Sieve + Academy Manufactor666 decks
Build this deck in the Arcane Forge →
Arcane Foundry is free to join and every tool is included: the Arcane Forge deck builder, the ARCANE Analyzer that scores a deck by simulating games rather than counting staples, a card scanner, a collection vault, and live webcam Commander tables.
Read the guide · Browse all commanders · Pricing