Boneyard Lurker

a Nightmare enters the battlefield — 151 cards in the game can cause this (Boneyard Lurker is one).

1. Umbris, Fear Manifest — When Boneyard Lurker enters, Umbris, Fear Manifest exiles a card from an opponent's library

put a permanent into a graveyard — 173 cards in the game can cause this.

1. Lich — Lich puts cards into the graveyard that Boneyard Lurker can bring back
2. Stitcher's Graft — Stitcher's Graft puts cards into the graveyard that Boneyard Lurker can bring back
3. Worldslayer — Worldslayer puts cards into the graveyard that Boneyard Lurker can bring back
4. Liliana, Dreadhorde General — Liliana, Dreadhorde General puts cards into the graveyard that Boneyard Lurker can bring back
5. Lich's Tomb — Lich's Tomb puts cards into the graveyard that Boneyard Lurker can bring back
6. Behemoth of Vault 0 — Behemoth of Vault 0 puts cards into the graveyard that Boneyard Lurker can bring back
7. Ygra, Eater of All — When Ygra, Eater of All is in the graveyard, Boneyard Lurker can bring it back
8. Mindlash Sliver — When Mindlash Sliver is in the graveyard, Boneyard Lurker can bring it back
9. Mindwhip Sliver — When Mindwhip Sliver is in the graveyard, Boneyard Lurker can bring it back
10. Witherbloom Charm — Witherbloom Charm puts cards into the graveyard that Boneyard Lurker can bring back

163 other cards cause it too. These are the ones with the most connections.

a Beast creature is cast — 587 cards in the game can cause this (Boneyard Lurker is one).

1. Tawnos, the Toymaker — When Boneyard Lurker is cast, Tawnos, the Toymaker copies a spell

a Beast enters the battlefield — 632 cards in the game can cause this (Boneyard Lurker is one).

When Boneyard Lurker enters:

1. Totem Speaker — gains you 3 life
2. Wirewood Savage — draws you 1 card
3. Woodland Liege — draws you 1 card
4. Aether Charge — deals 4 damage

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

When Boneyard Lurker 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 (Boneyard Lurker is one).

When Boneyard Lurker 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 (Boneyard Lurker is one).

When Boneyard Lurker 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. Jolene, Plundering Pugilist — makes a token
7. Saw — sacrifices a creature
8. Gisa's Favorite Shovel — makes an opponent sacrifice a creature
9. Ultima Weapon — kills a creature an opponent controls
10. Total War — kills a creature

180 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 (Boneyard Lurker is one).

When Boneyard Lurker blocks:

1. Mage Hunters' Onslaught — makes a player lose 1 life
2. Carnage Gladiator — makes a player lose 1 life
3. Barrow-Blade — strips abilities
4. Heat of Battle — deals 1 damage
5. Battle Strain — deals 1 damage
6. Favor of the Woods — gains you 3 life
7. Tide of War — sacrifices a creature
8. Dead-Iron Sledge — kills a creature
9. Dwindle — kills a creature
10. Shield of the Righteous — triggers

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

a nontoken creature attacks — 17,934 cards in the game can cause this (Boneyard Lurker is one).

When Boneyard Lurker attacks:

1. Mardu Ascendancy — makes a token
2. Basri Ket — makes a token
3. Militia's Pride — makes a token

a creature deals combat damage — 17,934 cards in the game can cause this (Boneyard Lurker is one).

When Boneyard Lurker deals combat damage:

1. Locutus of Borg — makes a token
2. Antagonist Incorporator — makes a token
3. Hive Mind Coprocessor — makes you lose life

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

a creature is cast — 18,010 cards in the game can cause this (Boneyard Lurker is one).

1. Primeval Bounty — When Boneyard Lurker is cast, Primeval Bounty makes a token

90 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 (Boneyard Lurker is one).

When Boneyard Lurker 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

302 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 (Boneyard Lurker is one).

1. Prowl, Stoic Strategist // Prowl, Pursuit Vehicle — When Boneyard Lurker 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.