Castle Doom

a Villain enters the battlefield — 268 cards in the game can cause this (Castle Doom is one).

When a Villain enters thanks to Castle Doom:

1. Flying Octobot — puts a +1/+1 counter on itself
2. Doom Reigns Supreme — makes each opponent lose 1 life
3. Crossbones, Malicious Mercenary — puts a +1/+1 counter on itself
4. Yellowjacket, Heartless Marauder — gets +1/+0
5. Swordsman, Sharp Scoundrel — triggers
6. Prowler, Clawed Thief — draws and discards
7. Baron Strucker, HYDRA Overlord — draws and discards

an artifact is sacrificed — 761 cards in the game can cause this (Castle Doom is one).

1. Megatron, Tyrant // Megatron, Destructive Force — When you sacrifice an artifact to Castle Doom, Megatron, Tyrant // Megatron, Destructive Force deals the sacrificed artifact's mana value damage
2. Carrot Cake — When Carrot Cake is sacrificed thanks to Castle Doom, it makes a token
3. Heaped Harvest — When Heaped Harvest is sacrificed thanks to Castle Doom, it searches a library
4. Moonstone Eulogist — When you sacrifice an artifact to Castle Doom, Moonstone Eulogist puts a +1/+1 counter on itself
5. Magnetic Snuffler — When you sacrifice an artifact to Castle Doom, Magnetic Snuffler puts a +1/+1 counter on itself
6. Gleaming Geardrake — When you sacrifice an artifact to Castle Doom, Gleaming Geardrake puts a +1/+1 counter on itself
7. Esoteric Duplicator — When you sacrifice an artifact to Castle Doom, Esoteric Duplicator makes a token
8. Biotech Specialist — When you sacrifice an artifact to Castle Doom, Biotech Specialist deals 2 damage
9. Jaws, Relentless Predator — When you sacrifice an artifact to Castle Doom, Jaws, Relentless Predator deals 1 damage
10. Crime Novelist — When you sacrifice an artifact to Castle Doom, Crime Novelist puts a +1/+1 counter on itself

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

an artifact in a graveyard — 1,226 cards in the game can cause this (Castle Doom is one).

Castle Doom puts cards into the:

1. Loran, Disciple of History — graveyard that Loran, Disciple of History can bring back
2. The Emperor of Palamecia // The Lord Master of Hell — graveyard, and The Emperor of Palamecia // The Lord Master of Hell gets bigger
3. Builder's Talent — graveyard that Builder's Talent can bring back
4. Trading Post — graveyard that Trading Post can bring back
5. Tasigur, the Golden Fang — graveyard that Tasigur, the Golden Fang can bring back
6. Serpent of the Pass — graveyard, and Serpent of the Pass gets bigger
7. Emeria Shepherd — graveyard that Emeria Shepherd can bring back
8. Goblin Engineer — graveyard that Goblin Engineer can bring back
9. Daretti, Rocketeer Engineer — graveyard that Daretti, Rocketeer Engineer can bring back
10. Scrap Welder — graveyard that Scrap Welder can bring back

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

a nontoken artifact is put into a graveyard from the battlefield — 1,226 cards in the game can cause this (Castle Doom is one).

When you sacrifice an artifact to Castle Doom:

1. Pia's Revolution — deals 3 damage
2. Farid, Enterprising Salvager — makes a token
3. Psychomancer — makes each opponent lose 1 life
4. Sly Requisitioner — makes a token
5. Slagstone Refinery — makes a token
6. Ratchet, Field Medic // Ratchet, Rescue Racer — triggers

1 other card cares about it too. These are the ones with the most connections.

a land it grants abilities to — 1,237 cards in the game can cause this.

1. Mystic Skull // Mystic Monstrosity — Mystic Skull // Mystic Monstrosity gives Castle Doom an extra ability
2. Chromatic Lantern — Chromatic Lantern gives Castle Doom an extra ability
3. Petrified Hamlet — Petrified Hamlet gives Castle Doom an extra ability

1,234 other cards cause it too. These are the ones with the most connections.

an artifact goes to a graveyard — 1,250 cards in the game can cause this (Castle Doom is one).

When an artifact hits the graveyard thanks to Castle Doom:

1. Ultron the Annihilator — makes each opponent lose 1 life
2. Ultron's Auxiliary — puts a +1/+1 counter on itself

an artifact is put into a graveyard from the battlefield — 1,254 cards in the game can cause this (Castle Doom is one).

When you sacrifice an artifact to Castle Doom:

1. Tezzeret's Touch — brings a card back
2. Krenko, Baron of Tin Street — makes a token
3. Syr Ginger, the Meal Ender — puts a +1/+1 counter on itself
4. Shard of the Void Dragon — puts 2 +1/+1 counters on itself
5. Ich-Tekik, Salvage Splicer — puts a +1/+1 counter on itself
6. Gremlin Infestation — makes a token
7. Summoning Station — untaps itself
8. Marionette Master — makes each opponent lose life equal to this creature's power
9. Fangren Marauder — gains you 5 life
10. Disciple of the Vault — makes each opponent lose 1 life

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

a land enters the battlefield — 1,560 cards in the game can cause this (Castle Doom is one).

When Castle Doom enters:

1. Primeval Bounty — gains you 3 life
2. Toph, Earthbending Master — puts a counter on a permanent
3. Dancing from Dark to Dawn — makes a token
4. Quest for the Necropolis — puts a quest counter on itself
5. Soul Stair Expedition — puts a quest counter on itself
6. Nissa of Shadowed Boughs — puts counters on a permanent
7. Thranduil, Sindarin Liege // Silvan Rally — makes a token
8. Silvan Reveler — returns itself from the graveyard
9. Floral Evoker — puts a +1/+1 counter on itself
10. Choco, Seeker of Paradise — gets +1/+0

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

an artifact leaves the battlefield — 1,680 cards in the game can cause this (Castle Doom is one).

1. Sludge Strider — When you sacrifice an artifact to Castle Doom, Sludge Strider makes a player lose 1 life

a creature token enters the battlefield — 2,799 cards in the game can cause this (Castle Doom is one).

When a Robot or Villain enters thanks to Castle Doom:

1. Securitron Squadron — puts a counter on a permanent
2. Anointer Priest — gains you 1 life
3. Nesting Dovehawk — puts a +1/+1 counter on itself

a creature token is created — 2,799 cards in the game can cause this (Castle Doom is one).

1. Staff of the Storyteller — When Castle Doom makes a Robot or Villain token, Staff of the Storyteller puts a story counter on itself

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

an artifact it applies untap to — 4,531 cards in the game can cause this.

1. Storage Matrix — Storage Matrix gives Castle Doom an extra untap

4,530 other cards cause it too. These are the ones with the most connections.

an artifact it applies animate to — 4,531 cards in the game can cause this.

1. Thran Lens — Thran Lens gives Castle Doom life as a creature

4,530 other cards cause it too. These are the ones with the most connections.