Halo Scarab

an artifact leaves a graveyard — 233 cards in the game can cause this (Halo Scarab is one).

When Halo Scarab leaves a graveyard:

1. Imotekh the Stormlord — makes 2 tokens
2. Dredger's Insight — gains you 1 life

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

When Halo Scarab attacks:

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

an artifact attacks — 1,243 cards in the game can cause this (Halo Scarab is one).

When Halo Scarab attacks:

1. Alibou, Ancient Witness — deals X damage
2. Bio-Asset Allocator — makes each opponent lose 1 life
3. Assaultron Dominator — puts a counter on a permanent
4. Aloy, Savior of Meridian — triggers

an artifact deals combat damage — 1,243 cards in the game can cause this (Halo Scarab is one).

When Halo Scarab deals combat damage:

1. Locutus of Borg — makes a token
2. Sharding Sphinx — makes a token
3. Antagonist Incorporator — makes a token
4. Research Thief — draws you 1 card
5. Thopter Spy Network — draws you 1 card
6. Hive Mind Coprocessor — makes you lose life
7. Pia Nalaar, Chief Mechanic — puts a counter on a permanent you control
8. Automated Assembly Line — triggers

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

a nontoken artifact deals combat damage — 1,243 cards in the game can cause this (Halo Scarab is one).

1. Virulent Silencer — When Halo Scarab deals combat damage, Virulent Silencer puts 2 counters on a permanent

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

When Halo Scarab 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. Erebos's Titan — triggers

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

anything is exiled — 2,497 cards in the game can cause this (Halo Scarab is one).

1. The War Doctor — When Halo Scarab is exiled, The War Doctor puts a time counter on itself

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

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

When Halo Scarab 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.

an artifact is cast — 3,683 cards in the game can cause this (Halo Scarab is one).

When Halo Scarab is cast:

1. Mendicant Core, Guidelight — copies a spell
2. Sai, Master Thopterist — makes a token
3. Ravenous Robots — makes a token
4. Pinnacle Emissary — makes a token
5. Mirrodin Besieged — makes a token
6. Poetic Ingenuity — makes a token
7. Digsite Engineer — makes a token
8. Myrsmith — makes a token
9. Riddlesmith — draws you 1 card
10. Dr. Madison Li — puts a counter on a permanent you control

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

a token enters the battlefield — 3,710 cards in the game can cause this (Halo Scarab is one).

When a Treasure enters thanks to Halo Scarab:

1. Baron Bertram Graywater — makes a token
2. Marneus Calgar — draws you 1 card
3. Belladonna Took — gains you 1 life
4. Kambal, Profiteering Mayor — makes each opponent lose 1 life
5. Lucy MacLean, Positively Armed — makes a token
6. Mister Fantastic, Reed Richards — draws you 1 card
7. Cloakwood Swarmkeeper — puts a +1/+1 counter on itself
8. Woodland Champion — puts that many +1/+1 counters on itself
9. Spiritcall Enthusiast // Scrollboost — becomes prepared

4 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 (Halo Scarab is one).

When Halo Scarab is cast:

1. God-Eternal Oketra — makes a token
2. Primeval Bounty — makes a token

89 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 (Halo Scarab is one).

1. Pollywog Prodigy — When Halo Scarab enters, Pollywog Prodigy puts a counter on itself

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