Comet Crawler

anything leaves the battlefield — 1 card in the game can cause this (Comet Crawler is one).

1. Shaun, Father of Synths — When Shaun, Father of Synths leaves the battlefield thanks to Comet Crawler, it exiles a Synth you control
2. Chainer, Dementia Master — When Chainer, Dementia Master leaves the battlefield thanks to Comet Crawler, it exiles a Nightmare

an Insect attacks — 323 cards in the game can cause this (Comet Crawler is one).

When Comet Crawler attacks:

1. Vrestin, Menoptra Leader — puts a counter on a permanent
2. Fumulus, the Infestation — makes each opponent lose 1 life

a Horror deals combat damage — 382 cards in the game can cause this (Comet Crawler is one).

1. Captain N'ghathrod — When Comet Crawler deals combat damage, Captain N'ghathrod mills a card

a nontoken artifact is sacrificed — 740 cards in the game can cause this (Comet Crawler is one).

1. Bag of Devouring — When a creature is sacrificed thanks to Comet Crawler, Bag of Devouring exiles it

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

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

Comet Crawler 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 (Comet Crawler is one).

1. Pia's Revolution — When an artifact is put into a graveyard from the battlefield thanks to Comet Crawler, Pia's Revolution deals 3 damage
2. Farid, Enterprising Salvager — When an artifact is put into a graveyard from the battlefield thanks to Comet Crawler, Farid, Enterprising Salvager makes a token
3. Psychomancer — When an artifact is put into a graveyard from the battlefield thanks to Comet Crawler, Psychomancer makes each opponent lose 1 life
4. Sly Requisitioner — When an artifact is put into a graveyard from the battlefield thanks to Comet Crawler, Sly Requisitioner makes a token
5. Slagstone Refinery — When an artifact is put into a graveyard from the battlefield thanks to Comet Crawler, Slagstone Refinery makes a token
6. Ratchet, Field Medic // Ratchet, Rescue Racer — When an artifact is put into a graveyard from the battlefield thanks to Comet Crawler, Ratchet, Field Medic // Ratchet, Rescue Racer triggers
7. The Master, Gallifrey's End — When a creature dies thanks to Comet Crawler, The Master, Gallifrey's End exiles it

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

When a creature or artifact hits the graveyard thanks to Comet Crawler:

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 (Comet Crawler is one).

When an artifact is put into a graveyard from the battlefield thanks to Comet Crawler:

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.

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

1. Sludge Strider — When an artifact leaves the battlefield thanks to Comet Crawler, Sludge Strider makes a player lose 1 life

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

When a creature is sacrificed thanks to Comet Crawler:

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.

life is gained — 2,076 cards in the game can cause this (Comet Crawler is one).

When Comet Crawler gains life:

1. Dina, Soul Steeper — makes each opponent lose 1 life
2. Marina Vendrell's Grimoire — draws you that many cards
3. South Wind Avatar — makes each opponent lose 1 life

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

a permanent is put into a graveyard from the battlefield — 5,057 cards in the game can cause this (Comet Crawler is one).

1. Gerrard, Weatherlight Hero — When Gerrard, Weatherlight Hero dies thanks to Comet Crawler, it exiles itself

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