Necropolis

a nontoken creature is exiled — 995 cards in the game can cause this (Necropolis is one).

1. The War Games — When Necropolis is exiled, The War Games exiles a Warrior

a creature is exiled — 1,003 cards in the game can cause this (Necropolis is one).

When Necropolis is exiled:

1. Ashnod's Intervention — brings a card back
2. Syr Vondam, Sunstar Exemplar — puts a +1/+1 counter on itself
3. Kaya, Spirits' Justice — copies a permanent
4. Soulherder — puts a +1/+1 counter on itself
5. Kaya's Ghostform — blinks a permanent

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

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

When Necropolis 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 (Necropolis is one).

When Necropolis 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 (Necropolis is one).

1. Virulent Silencer — When Necropolis 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 (Necropolis is one).

When Necropolis 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 is exiled — 2,497 cards in the game can cause this (Necropolis is one).

1. The War Doctor — When Necropolis is exiled, The War Doctor puts a time counter on itself
2. God-Eternal Oketra — When God-Eternal Oketra is exiled thanks to Necropolis, it triggers

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

When Necropolis 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.

a creature gets a counter — 2,691 cards in the game can cause this (Necropolis is one).

When Necropolis gets a counter:

1. Hollowmurk Siege — draws you 1 card
2. Generous Patron — draws you 1 card
3. Danny Pink — draws you 1 card
4. Bold Plagiarist — puts counters on a permanent
5. Mikey & Leo, Chaos & Order — draws you 1 card
6. Kros, Defense Contractor — triggers
7. Rikku, Resourceful Guardian — triggers

36 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 (Necropolis is one).

When Necropolis 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 nontoken artifact enters the battlefield — 3,768 cards in the game can cause this (Necropolis is one).

1. Ultron, Artificial Malevolence — When Necropolis enters, Ultron, Artificial Malevolence makes a token

6 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 (Necropolis is one).

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

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