Skullslither Worm

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

When a permanent makes a player discard a card thanks to Skullslither Worm:

1. Sangromancer — gains you 3 life
2. Lo and Li, Royal Advisors — puts a counter on an Advisor
3. Nath of the Gilt-Leaf — makes a token
4. Tourach, Dread Cantor — puts a +1/+1 counter on itself
5. Tinybones, Pocket Nuisance — deals 1 damage
6. Tinybones, Bauble Burglar — hits a graveyard
7. Fell Specter — makes each opponent lose 2 life
8. Spirit Cairn — makes a token
9. Confessor — gains you 1 life
10. Hostile Investigator — triggers

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

a creature gets a counter — 2,691 cards in the game can cause this (Skullslither Worm is one).

When Skullslither Worm gets a counter:

1. Hollowmurk Siege — draws you 1 card
2. Ant-Man, Colony Commander — makes a token
3. Earth Kingdom General — gains you that much life
4. Casey Jones, Back Alley Brute — deals that much damage
5. Generous Patron — draws you 1 card
6. Shalai and Hallar — deals that much damage
7. Danny Pink — draws you 1 card
8. Enduring Scalelord — puts a +1/+1 counter on itself
9. Bold Plagiarist — puts counters on a permanent
10. Mikey & Leo, Chaos & Order — draws you 1 card

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

anything gets a counter — 4,415 cards in the game can cause this (Skullslither Worm is one).

1. All Will Be One — When Skullslither Worm gets a counter, All Will Be One deals that much damage

8 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 (Skullslither Worm is one).

1. Bloodbond March — Skullslither Worm puts cards into the graveyard that Bloodbond March can bring back
2. Heart-Shaped Herb — Skullslither Worm puts cards into the graveyard that Heart-Shaped Herb can bring back
3. Enlightened Confidant — Skullslither Worm puts cards into the graveyard that Enlightened Confidant can bring back
4. Tergrid, God of Fright // Tergrid's Lantern — Skullslither Worm puts cards into the graveyard that Tergrid, God of Fright // Tergrid's Lantern can bring back
5. Grazing Kelpie — Skullslither Worm puts cards into the graveyard that Grazing Kelpie can bring back
6. Dauthi Voidwalker — Cards Skullslither Worm would put into an opponent's graveyard are exiled by Dauthi Voidwalker instead, and it can play from among them
7. Endurance — Skullslither Worm puts cards into the graveyard that Endurance can bring back
8. Thieves' Guild Enforcer — Skullslither Worm fills an opponent's graveyard toward the 8 or more cards Thieves' Guild Enforcer needs
9. Soaring Thought-Thief — Skullslither Worm fills an opponent's graveyard toward the 8 or more cards Soaring Thought-Thief needs
10. Merfolk Windrobber — Skullslither Worm fills an opponent's graveyard toward the 8 or more cards Merfolk Windrobber needs

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

anything goes to a graveyard — 7,589 cards in the game can cause this (Skullslither Worm is one).

When a card hits the graveyard thanks to Skullslither Worm:

1. The Haunt of Hightower — puts a +1/+1 counter on itself
2. Duskmantle Guildmage — makes each opponent lose 1 life
3. Vulturous Zombie — puts a +1/+1 counter on itself
4. Bloodchief Ascension — makes each opponent lose 2 life
5. Compost — draws you 1 card
6. Planar Void — hits a graveyard

5 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 (Skullslither Worm is one).

When Skullslither Worm attacks:

1. Far Fortune, End Boss — deals 1 damage
2. Temmet, Naktamun's Will — draws you 1 card
3. Inti, Seneschal of the Sun — triggers
4. Cool but Rude — draws and discards
5. Invisible Woman — triggers
6. Caesar, Legion's Emperor — sacrifices a creature
7. Guide of Souls — triggers
8. Campsite Cuisine — sacrifices a Food
9. Gossip's Talent — triggers

120 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 (Skullslither Worm is one).

When Skullslither Worm attacks:

1. Adaptive Omnitool — searches a library
2. Saw — sacrifices a creature

197 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 (Skullslither Worm is one).

1. Tide of War — When Skullslither Worm blocks, Tide of War sacrifices a creature

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

a nontoken creature enters the battlefield — 18,448 cards in the game can cause this (Skullslither Worm is one).

1. Samwise Gamgee — When Skullslither Worm enters, Samwise Gamgee makes a token

32 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 (Skullslither Worm is one).

When Skullslither Worm enters:

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

343 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 (Skullslither Worm is one).

1. Prowl, Stoic Strategist // Prowl, Pursuit Vehicle — When Skullslither Worm enters, Prowl, Stoic Strategist // Prowl, Pursuit Vehicle puts a +1/+1 counter on itself

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