Oathsworn Vampire

a Vampire attacks — 484 cards in the game can cause this (Oathsworn Vampire is one).

When Oathsworn Vampire attacks:

1. Glass-Cast Heart — makes a token
2. Sanctum Seeker — makes each opponent lose 1 life

a nontoken Vampire attacks — 484 cards in the game can cause this (Oathsworn Vampire is one).

1. Mavren Fein, Dusk Apostle — When Oathsworn Vampire attacks, Mavren Fein, Dusk Apostle makes a token

a Vampire creature is cast — 484 cards in the game can cause this (Oathsworn Vampire is one).

1. Bloodlord of Vaasgoth — When Oathsworn Vampire is cast, Bloodlord of Vaasgoth grants bloodthirst

a Vampire deals combat damage — 484 cards in the game can cause this (Oathsworn Vampire is one).

When Oathsworn Vampire deals combat damage:

1. Rakish Heir — puts a counter on a permanent
2. Stensia Masquerade — puts a counter on a permanent

a Vampire enters the battlefield — 500 cards in the game can cause this (Oathsworn Vampire is one).

When Oathsworn Vampire enters:

1. Anje, Maid of Dishonor — makes a token
2. Forerunner of the Legion — gives +1/+1
3. Markov Enforcer — deals damage
4. Evelyn, the Covetous — exiles a card from a library

a Knight attacks — 547 cards in the game can cause this (Oathsworn Vampire is one).

1. Knights' Charge — When Oathsworn Vampire attacks, Knights' Charge makes each opponent lose 1 life

a Knight deals combat damage — 547 cards in the game can cause this (Oathsworn Vampire is one).

1. Exsanguinator Cavalry — When Oathsworn Vampire deals combat damage, Exsanguinator Cavalry puts a counter on a permanent

a Knight enters the battlefield — 592 cards in the game can cause this (Oathsworn Vampire is one).

When Oathsworn Vampire enters:

1. Brimstone Trebuchet — untaps itself
2. Zhalfirin Lancer — gets +1/+1

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

When Oathsworn Vampire 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.

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

When Oathsworn Vampire 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.

anything attacks — 17,934 cards in the game can cause this (Oathsworn Vampire is one).

When Oathsworn Vampire attacks:

1. Far Fortune, End Boss — deals 1 damage
2. Temmet, Naktamun's Will — draws you 1 card
3. Grim Javelineer — gives +1/+0
4. Invisible Woman — triggers
5. Caesar, Legion's Emperor — sacrifices a creature
6. Guide of Souls — triggers
7. Campsite Cuisine — sacrifices a Food
8. Gossip's Talent — triggers
9. Banon, the Returners' Leader — draws and discards
10. Toph, Earthbending Master — puts a counter on a permanent

112 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 (Oathsworn Vampire is one).

When Oathsworn Vampire 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
8. Ultima Weapon — kills a creature an opponent controls

183 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 (Oathsworn Vampire is one).

1. Tide of War — When Oathsworn Vampire blocks, Tide of War sacrifices a creature

27 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 (Oathsworn Vampire is one).

When Oathsworn Vampire enters:

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

309 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 (Oathsworn Vampire is one).

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

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