Soulcoil Viper

a Snake deals combat damage — 226 cards in the game can cause this (Soulcoil Viper is one).

1. Seshiro the Anointed — When Soulcoil Viper deals combat damage, Seshiro the Anointed draws you 1 card

a nontoken Snake enters the battlefield — 227 cards in the game can cause this (Soulcoil Viper is one).

1. Sosuke's Summons — When Soulcoil Viper enters, Sosuke's Summons returns itself from the graveyard

a creature leaves a graveyard — 1,302 cards in the game can cause this (Soulcoil Viper is one).

When Soulcoil Viper leaves a graveyard:

1. Grim Reaper's Scythe — makes a token
2. Syr Konrad, the Grim — deals 1 damage
3. Cyan, Vengeful Samurai — puts a +1/+1 counter on itself
4. Along the Crooked Way — puts a counter on a Goblin or Army
5. Skeleton Crew — makes a token
6. Desecrated Tomb — makes a token
7. Chalk Outline — makes a token
8. Insidious Roots — makes a token
9. Undead Hand Ninja — makes each opponent lose 1 life
10. Rot Farm Mortipede — gets +1/+0

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

a nontoken creature is sacrificed — 1,714 cards in the game can cause this (Soulcoil Viper is one).

When you sacrifice Soulcoil Viper:

1. Fumulus, the Infestation — makes a token
2. Bag of Devouring — exiles it

a creature is sacrificed — 1,741 cards in the game can cause this (Soulcoil Viper is one).

When you sacrifice Soulcoil Viper:

1. Ziatora, the Incinerator — deals that creature's power damage
2. Dina, Essence Brewer — draws you 1 card
3. Fleshtaker — gains you 1 life
4. Body Dropper — puts a +1/+1 counter on itself
5. Smothering Abomination — draws you 1 card
6. Kels, Fight Fixer — draws you 1 card
7. Caesar, Legion's Emperor — triggers
8. Grist, the Hunger Tide — kills a creature or planeswalker an opponent controls
9. Cabal Therapist — triggers
10. Rakdos, the Muscle — exiles a card from an opponent's library

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

anything leaves a graveyard — 2,503 cards in the game can cause this (Soulcoil Viper is one).

When Soulcoil Viper leaves a graveyard:

1. Blastoneuron — makes each opponent lose 1 life
2. Defiled Crypt // Cadaver Lab — makes a token
3. Teval, the Balanced Scale — makes a token
4. Hologram Stalker — makes a token
5. Tormod, the Desecrator — makes a token
6. Quintorius, Field Historian — makes a token
7. Garrison Excavator — makes a token
8. Amzu, Swarm's Hunger — makes a token
9. Kirol, History Buff // Pack a Punch — becomes prepared
10. Teval's Judgment — triggers

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

a creature in a graveyard — 2,769 cards in the game can cause this.

1. Chainer, Dementia Master — When Soulcoil Viper is in the graveyard, Chainer, Dementia Master can bring it back
2. Havengul Lich — When Soulcoil Viper is in the graveyard, Havengul Lich can bring it back
3. Liliana the Repentant — When Soulcoil Viper is in the graveyard, Liliana the Repentant can bring it back
4. Paleoloth — When Soulcoil Viper is in the graveyard, Paleoloth can bring it back
5. Chainer, Nightmare Adept — When Soulcoil Viper is in the graveyard, Chainer, Nightmare Adept can bring it back
6. Banon, the Returners' Leader — When Soulcoil Viper is in the graveyard, Banon, the Returners' Leader can bring it back
7. Surgical Suite // Hospital Room — When Soulcoil Viper is in the graveyard, Surgical Suite // Hospital Room can bring it back
8. Sword of Light and Shadow — When Soulcoil Viper is in the graveyard, Sword of Light and Shadow can bring it back
9. Necromantic Thirst — When Soulcoil Viper is in the graveyard, Necromantic Thirst can bring it back
10. Krile Baldesion — When Soulcoil Viper is in the graveyard, Krile Baldesion can bring it back
11. Shriveling Rot — Shriveling Rot puts cards into the graveyard that Soulcoil Viper can bring back
12. Foot Chopper — Foot Chopper puts cards into the graveyard that Soulcoil Viper can bring back
13. Blasting Station — Blasting Station puts cards into the graveyard that Soulcoil Viper can bring back
14. Spreading Plague — Spreading Plague puts cards into the graveyard that Soulcoil Viper can bring back
15. Saw — Saw puts cards into the graveyard that Soulcoil Viper can bring back
16. Hot Soup — Hot Soup puts cards into the graveyard that Soulcoil Viper can bring back
17. Sporogenic Infection — Sporogenic Infection puts cards into the graveyard that Soulcoil Viper can bring back
18. Mire Blight — Mire Blight puts cards into the graveyard that Soulcoil Viper can bring back
19. Death Pits of Rath — Death Pits of Rath puts cards into the graveyard that Soulcoil Viper can bring back
20. Endrek Sahr, Master Breeder — When Endrek Sahr, Master Breeder is in the graveyard, Soulcoil Viper can bring it back

1,195 other cards care about it too. These are the ones with the most connections.

a nontoken creature dies — 2,769 cards in the game can cause this (Soulcoil Viper is one).

When Soulcoil Viper dies:

1. Zahur, Glory's Past — makes a token
2. Liesa, Forgotten Archangel — brings a card back
3. Avacyn, Angel of Horror — brings a card back
4. Yedora, Grave Gardener — brings a card back
5. Nim Deathmantle — brings a card back
6. Valkyrie's Call — brings a card back
7. Decaying Soil — brings a card back
8. High-Society Hunter — draws you 1 card

62 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 (Soulcoil Viper is one).

1. Havi, the All-Father — Soulcoil Viper fills your graveyard toward the 4 or more cards Havi, the All-Father needs

443 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 (Soulcoil Viper is one).

1. Shaun, Father of Synths — When Soulcoil Viper attacks, Shaun, Father of Synths makes a token

150 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 (Soulcoil Viper is one).

1. Chorale of the Void — When Soulcoil Viper attacks, Chorale of the Void brings a card back

219 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 (Soulcoil Viper is one).

1. Odunos River Trawler — When Odunos River Trawler enters thanks to Soulcoil Viper, it brings a card back
2. Technomancer — When Technomancer enters thanks to Soulcoil Viper, it mills a card
3. Overseer of the Damned — When Overseer of the Damned enters thanks to Soulcoil Viper, it kills a creature an opponent controls

446 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 (Soulcoil Viper is one).

1. Malik, Grim Manipulator — When Malik, Grim Manipulator enters thanks to Soulcoil Viper, it triggers
2. Legate Lanius, Caesar's Ace — When Legate Lanius, Caesar's Ace enters thanks to Soulcoil Viper, it makes an opponent sacrifice a creature

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