Archpriest of Shadows

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

When Archpriest of Shadows 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 (Archpriest of Shadows is one).

When Archpriest of Shadows 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.

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

1. Endrek Sahr, Master Breeder — When Endrek Sahr, Master Breeder is in the graveyard, Archpriest of Shadows can bring it back
2. Skittering Horror — When Skittering Horror is in the graveyard, Archpriest of Shadows can bring it back
3. Skittering Skirge — When Skittering Skirge is in the graveyard, Archpriest of Shadows can bring it back
4. Skittering Monstrosity — When Skittering Monstrosity is in the graveyard, Archpriest of Shadows can bring it back
5. Fandaniel, Telophoroi Ascian — Fandaniel, Telophoroi Ascian puts cards into the graveyard that Archpriest of Shadows can bring back
6. Xiahou Dun, the One-Eyed — When Xiahou Dun, the One-Eyed is in the graveyard, Archpriest of Shadows can bring it back
7. Dauthi Voidwalker — When Dauthi Voidwalker is in the graveyard, Archpriest of Shadows can bring it back
8. Gloomdrifter — Gloomdrifter puts cards into the graveyard that Archpriest of Shadows can bring back
9. Boneshard Slasher — When Boneshard Slasher is in the graveyard, Archpriest of Shadows can bring it back
10. Nim Shambler — Nim Shambler puts cards into the graveyard that Archpriest of Shadows can bring back

2,759 other cards cause it too. These are the ones with the most connections.

a Human enters the battlefield — 4,639 cards in the game can cause this (Archpriest of Shadows is one).

When Archpriest of Shadows enters:

1. General Kudro of Drannith — hits a graveyard
2. Heronblade Elite — puts a +1/+1 counter on itself
3. Kyler, Sigardian Emissary — puts a +1/+1 counter on itself
4. Thalia's Lieutenant — puts a +1/+1 counter on itself
5. Champion of the Parish — puts a +1/+1 counter on itself
6. Captain of the Mists — untaps itself
7. Erkenbrand, Lord of Westfold — gives +1/+0
8. Beregond of the Guard — gives +1/+1
9. Théoden, King of Rohan — grants double strike
10. Lossarnach Captain — taps a creature an opponent controls

2 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 (Archpriest of Shadows is one).

When Archpriest of Shadows 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 (Archpriest of Shadows is one).

When Archpriest of Shadows 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 (Archpriest of Shadows is one).

When Archpriest of Shadows blocks:

1. Tide of War — sacrifices a creature
2. Dead-Iron Sledge — kills a creature

26 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 (Archpriest of Shadows is one).

1. Fire Nation Salvagers — When Fire Nation Salvagers enters thanks to Archpriest of Shadows, it puts a counter on a creature or Vehicle
2. Goblin Goliath — When Goblin Goliath enters thanks to Archpriest of Shadows, it makes a token
3. Slash, Reptile Rampager — When Archpriest of Shadows enters, Slash, Reptile Rampager deals 2 damage
4. Ray Fillet, Wave Warrior — When Archpriest of Shadows enters, Ray Fillet, Wave Warrior puts a counter on itself
5. The Neutrinos — When Archpriest of Shadows enters, The Neutrinos gets +1/+0
6. Wingnut, Bat on the Belfry — When Archpriest of Shadows enters, Wingnut, Bat on the Belfry grants flying, haste and menace
7. Aetherstorm Roc — When Archpriest of Shadows enters, Aetherstorm Roc puts a counter on a permanent you control
8. Raphael, Most Attitude — When Archpriest of Shadows enters, Raphael, Most Attitude exiles a card from your library

303 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 (Archpriest of Shadows is one).

1. Prowl, Stoic Strategist // Prowl, Pursuit Vehicle — When Archpriest of Shadows enters, Prowl, Stoic Strategist // Prowl, Pursuit Vehicle puts a +1/+1 counter on itself
2. Ivora, Insatiable Heir — When Ivora, Insatiable Heir enters thanks to Archpriest of Shadows, it makes a token

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