Scuttletide

a card is discarded — 2,042 cards in the game can cause this (Scuttletide is one).

When Scuttletide makes a player discard a card:

1. Ivora, Insatiable Heir — puts a +1/+1 counter on itself
2. Cool but Rude — deals 2 damage
3. Containment Construct — brings a card back
4. Moonstone, Harsh Mistress — brings a card back
5. Lazotep Chancellor — puts 2 counters on a Zombie or Army
6. Magmakin Artillerist — deals that much damage
7. Inti, Seneschal of the Sun — exiles a card from your library
8. Pitchstone Wall — sacrifices itself
9. Currency Converter — exiles it
10. Hostile Investigator — triggers

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

provide a creature to sacrifice — 2,720 cards in the game can cause this.

1. Jalira, Master Polymorphist — Scuttletide makes fodder for Jalira, Master Polymorphist
2. Polymorph — Scuttletide makes fodder for Polymorph
3. Proteus Staff — Scuttletide makes fodder for Proteus Staff
4. Synthetic Destiny — Scuttletide makes fodder for Synthetic Destiny
5. Mass Polymorph — Scuttletide makes fodder for Mass Polymorph

2,715 other cards cause it too. These are the ones with the most connections.

a creature token enters the battlefield — 2,799 cards in the game can cause this (Scuttletide is one).

When a Crab enters thanks to Scuttletide:

1. Securitron Squadron — puts a counter on a permanent
2. Anointer Priest — gains you 1 life
3. Nesting Dovehawk — puts a +1/+1 counter on itself

a creature token is created — 2,799 cards in the game can cause this (Scuttletide is one).

1. Staff of the Storyteller — When Scuttletide makes a Crab token, Staff of the Storyteller puts a story counter on itself

3 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 (Scuttletide is one).

When Scuttletide 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 (Scuttletide is one).

1. Historian's Boon — When Scuttletide enters, Historian's Boon makes a token

a token enters the battlefield — 3,710 cards in the game can cause this (Scuttletide is one).

When a Crab enters thanks to Scuttletide:

1. Baron Bertram Graywater — makes a token
2. Marneus Calgar — draws you 1 card
3. Belladonna Took — gains you 1 life
4. Kambal, Profiteering Mayor — makes each opponent lose 1 life
5. Lucy MacLean, Positively Armed — makes a token
6. Mister Fantastic, Reed Richards — draws you 1 card
7. Cloakwood Swarmkeeper — puts a +1/+1 counter on itself
8. Woodland Champion — puts that many +1/+1 counters on itself
9. Leonardo, the Balance — puts a counter on a creature
10. Spiritcall Enthusiast // Scrollboost — becomes prepared

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

a token is created — 3,711 cards in the game can cause this (Scuttletide is one).

When Scuttletide makes a Crab token:

1. Akim, the Soaring Wind — makes a token
2. Idol of Oblivion — draws you 1 card
3. Rosie Cotton of South Lane — puts a counter on a permanent
4. Mirkwood Bats — makes each opponent lose 1 life

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

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

When Scuttletide 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

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

a card in a graveyard — 7,589 cards in the game can cause this (Scuttletide is one).

1. Samwise Gamgee — Scuttletide puts cards into the graveyard that Samwise Gamgee can bring back
2. Bloodbond March — Scuttletide puts cards into the graveyard that Bloodbond March can bring back
3. Gale, Waterdeep Prodigy — Scuttletide puts cards into the graveyard that Gale, Waterdeep Prodigy can bring back
4. Harness the Storm — Scuttletide puts cards into the graveyard that Harness the Storm can bring back
5. Transplant Theorist — Scuttletide puts cards into the graveyard that Transplant Theorist can bring back
6. Heart-Shaped Herb — Scuttletide puts cards into the graveyard that Heart-Shaped Herb can bring back
7. Wayward Angel — Scuttletide fills your graveyard toward the 7 or more cards Wayward Angel needs
8. Rescue from the Underworld — Scuttletide puts cards into the graveyard that Rescue from the Underworld can bring back
9. Victimize — Scuttletide puts cards into the graveyard that Victimize can bring back
10. Sidequest: Card Collection // Magicked Card — Scuttletide fills your graveyard toward the 8 or more cards Sidequest: Card Collection // Magicked Card needs

434 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 (Scuttletide is one).

1. Airbender Ascension — When a Crab enters thanks to Scuttletide, Airbender Ascension puts a quest counter on itself

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