Thassa, Deep-Dwelling

a creature becomes tapped — 565 cards in the game can cause this (Thassa is one).

When a creature becomes tapped thanks to Thassa, Deep-Dwelling:

1. Unctus, Grand Metatect — draws you 1 card
2. Sharae of Numbing Depths — draws you 1 card
3. Rewrite History — draws you 1 card
4. Stinging Licid — deals 2 damage
5. Gideon's Avenger — puts a +1/+1 counter on itself
6. Icewrought Sentry — gets +2/+1
7. Hawkeye's Bow — deals 1 damage
8. Cryoshatter — kills a creature
9. Don't Move — kills a creature
10. Hylda of the Icy Crown — triggers

11 other cards care about it too. These are the ones with the most connections.

anything becomes tapped — 699 cards in the game can cause this (Thassa is one).

1. Master Pakku — When Master Pakku becomes tapped thanks to Thassa, Deep-Dwelling, it mills a card

1 other card cares about it too. These are the ones with the most connections.

a nontoken creature is exiled — 995 cards in the game can cause this (Thassa is one).

1. The War Games — When Thassa, Deep-Dwelling is exiled, The War Games exiles a Warrior

a creature is exiled — 1,003 cards in the game can cause this (Thassa is one).

When Thassa, Deep-Dwelling is exiled:

1. Ashnod's Intervention — brings a card back
2. Syr Vondam, Sunstar Exemplar — puts a +1/+1 counter on itself
3. Kaya, Spirits' Justice — copies a permanent
4. Soulherder — puts a +1/+1 counter on itself
5. Kaya's Ghostform — blinks a permanent

1 other card cares about it too. These are the ones with the most connections.

anything is exiled — 2,497 cards in the game can cause this (Thassa is one).

1. The War Doctor — When Thassa, Deep-Dwelling is exiled, The War Doctor puts a time counter on itself
2. God-Eternal Oketra — When God-Eternal Oketra is exiled thanks to Thassa, Deep-Dwelling, it triggers

an enchantment is cast — 3,673 cards in the game can cause this (Thassa is one).

When Thassa, Deep-Dwelling is cast:

1. Hallowed Haunting — makes a token
2. Daxos the Returned — puts a counter on a permanent
3. Tatsunari, Toad Rider — makes a token
4. Sythis, Harvest's Hand — gains you 1 life
5. Sigil of the Empty Throne — makes a token
6. Dawnhart Geist — gains you 2 life
7. Herald of the Pantheon — gains you 1 life
8. Kami of Transience — puts a +1/+1 counter on itself
9. Argothian Enchantress — draws you 1 card
10. Mesa Enchantress — draws you 1 card

255 other cards care about it too. These are the ones with the most connections.

a nontoken enchantment enters the battlefield — 3,691 cards in the game can cause this (Thassa is one).

1. Historian's Boon — When Thassa, Deep-Dwelling enters, Historian's Boon makes a token

an enchantment enters the battlefield — 3,743 cards in the game can cause this (Thassa is one).

When Thassa, Deep-Dwelling enters:

1. Calix, Guided by Fate — puts a counter on a creature
2. Elvish Archivist — draws you 1 card
3. Victor, Valgavoth's Seneschal — surveils
4. Strength from the Fallen — gives +X/+X, where X is the number of creature cards in your graveyard
5. Doomwake Giant — shrinks a creature by -1/-1
6. Cacophony Unleashed — turns something into a creature
7. Ghostly Dancers — makes a token
8. Thassa's Devourer — mills a card
9. Killian, Decisive Mentor — taps a creature
10. Thoughtrender Lamia — makes an opponent discard a card

65 other cards care about it too. These are the ones with the most connections.

a creature is cast — 18,010 cards in the game can cause this (Thassa is one).

When Thassa, Deep-Dwelling is cast:

1. Primeval Bounty — makes a token
2. Communal Brewing — it arrives with counters thanks to Communal Brewing

89 other cards care about it too. These are the ones with the most connections.

a creature enters the battlefield — 19,800 cards in the game can cause this (Thassa is one).

1. Lightshell Duo — When Lightshell Duo enters thanks to Thassa, Deep-Dwelling, it surveils
2. Lotus-Eye Mystics — When Lotus-Eye Mystics enters thanks to Thassa, Deep-Dwelling, it brings a card back
3. Pinnacle Monk // Mystic Peak — When Pinnacle Monk // Mystic Peak enters thanks to Thassa, Deep-Dwelling, it brings a card back
4. Meticulous Artisan — When Meticulous Artisan enters thanks to Thassa, Deep-Dwelling, it makes a token
5. Shipwreck Dowser — When Shipwreck Dowser enters thanks to Thassa, Deep-Dwelling, it brings a card back
6. Crimson Operative — When Crimson Operative enters thanks to Thassa, Deep-Dwelling, it exiles a card from your library
7. Riptide Gearhulk — When Riptide Gearhulk enters thanks to Thassa, Deep-Dwelling, it triggers
8. Ecstatic Electromancer — When Ecstatic Electromancer enters thanks to Thassa, Deep-Dwelling, it draws and discards
9. Bedlam Reveler — When Bedlam Reveler enters thanks to Thassa, Deep-Dwelling, it draws and discards
10. Cyclops Superconductor — When Cyclops Superconductor enters thanks to Thassa, Deep-Dwelling, it puts a counter on a permanent you control

310 other cards care about it too. These are the ones with the most connections.

anything enters the battlefield — 26,499 cards in the game can cause this (Thassa is one).

1. Thor, God of Thunder — When Thor, God of Thunder enters thanks to Thassa, Deep-Dwelling, it brings a card back
2. The Immortal Weapons — When The Immortal Weapons enters thanks to Thassa, Deep-Dwelling, it brings a card back
3. Thancred Waters — When Thancred Waters enters thanks to Thassa, Deep-Dwelling, it grants indestructible
4. Hraesvelgr of the First Brood — When Hraesvelgr of the First Brood enters thanks to Thassa, Deep-Dwelling, it gives +1/+0
5. Variable Chaser // Arc of Fortune — When Variable Chaser // Arc of Fortune enters thanks to Thassa, Deep-Dwelling, it becomes prepared
6. Pompous Battlemage // Improvised Act — When Pompous Battlemage // Improvised Act enters thanks to Thassa, Deep-Dwelling, it becomes prepared
7. Pyre Rhymer // Molten Tide — When Pyre Rhymer // Molten Tide enters thanks to Thassa, Deep-Dwelling, it becomes prepared
8. Ty Lee, Chi Blocker — When Ty Lee, Chi Blocker enters thanks to Thassa, Deep-Dwelling, it taps a creature

20 other cards care about it too. These are the ones with the most connections.