Serpent of Yawning Depths

hits creature — 2,298 cards in the game can cause this.

1. Jalira, Master Polymorphist — Jalira, Master Polymorphist can put Serpent of Yawning Depths onto the battlefield from your library
2. Kethek, Crucible Goliath — Kethek, Crucible Goliath can put Serpent of Yawning Depths onto the battlefield from your library
3. Polymorph — Polymorph can put Serpent of Yawning Depths onto the battlefield from your library
4. Birthing Ritual — Birthing Ritual can put Serpent of Yawning Depths onto the battlefield from your library
5. Industrial Advancement — Industrial Advancement can put Serpent of Yawning Depths onto the battlefield from your library
6. Killer Instinct — Killer Instinct can put Serpent of Yawning Depths onto the battlefield from your library
7. Arthur, Marigold Knight — Arthur, Marigold Knight can put Serpent of Yawning Depths onto the battlefield from your library
8. Proteus Staff — Proteus Staff can put Serpent of Yawning Depths onto the battlefield from your library
9. Synthetic Destiny — Synthetic Destiny can put Serpent of Yawning Depths onto the battlefield from your library
10. Divergent Transformations — Divergent Transformations can put Serpent of Yawning Depths onto the battlefield from your library
11. Mass Polymorph — Mass Polymorph can put Serpent of Yawning Depths onto the battlefield from your library

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

an enchantment is cast — 3,673 cards in the game can cause this (Serpent of Yawning Depths is one).

When Serpent of Yawning Depths 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 (Serpent of Yawning Depths is one).

1. Historian's Boon — When Serpent of Yawning Depths enters, Historian's Boon makes a token

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

When Serpent of Yawning Depths 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

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

anything attacks — 17,934 cards in the game can cause this (Serpent of Yawning Depths is one).

When Serpent of Yawning Depths attacks:

1. Within Range — makes each opponent lose life
2. Sparring Regimen — puts a counter on a creature
3. Far Fortune, End Boss — deals 1 damage
4. Temmet, Naktamun's Will — draws you 1 card
5. Campsite Cuisine — sacrifices a Food
6. Obsessive Pursuit — makes you lose life
7. Invisible Woman — triggers
8. Caesar, Legion's Emperor — sacrifices a creature
9. Guide of Souls — triggers
10. Gossip's Talent — triggers

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

a creature attacks — 17,934 cards in the game can cause this (Serpent of Yawning Depths is one).

When Serpent of Yawning Depths attacks:

1. Adaptive Omnitool — searches a library
2. Anthem of Rakdos — gives +2/+0
3. Kindred Discovery — draws you 1 card
4. Invasion of New Capenna // Holy Frazzle-Cannon — puts counters on a permanent
5. Chorale of the Void — brings a card back
6. Saw — sacrifices a creature
7. Gisa's Favorite Shovel — makes an opponent sacrifice a creature

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

a creature blocks — 17,934 cards in the game can cause this (Serpent of Yawning Depths is one).

1. Tide of War — When Serpent of Yawning Depths blocks, Tide of War sacrifices a creature

27 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 (Serpent of Yawning Depths is one).

When Serpent of Yawning Depths 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 (Serpent of Yawning Depths is one).

When Serpent of Yawning Depths enters:

1. Pollywog Prodigy — puts a counter on itself
2. Airbender Ascension — puts a quest counter on itself
3. Slash, Reptile Rampager — deals 2 damage
4. Ray Fillet, Wave Warrior — puts a counter on itself
5. The Neutrinos — gets +1/+0
6. Wingnut, Bat on the Belfry — grants flying, haste and menace
7. Aetherstorm Roc — puts a counter on a permanent you control
8. Raphael, Most Attitude — exiles a card from your library

327 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 (Serpent of Yawning Depths is one).

1. Prowl, Stoic Strategist // Prowl, Pursuit Vehicle — When Serpent of Yawning Depths enters, Prowl, Stoic Strategist // Prowl, Pursuit Vehicle puts a +1/+1 counter on itself

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