Chaos Shrine's Black Crystal

a nontoken creature is exiled — 995 cards in the game can cause this (Chaos Shrine's Black Crystal is one).

1. The War Games — When a creature is exiled thanks to Chaos Shrine's Black Crystal, The War Games exiles a Warrior

a creature is exiled — 1,003 cards in the game can cause this (Chaos Shrine's Black Crystal is one).

When a creature is exiled thanks to Chaos Shrine's Black Crystal:

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.

a creature leaves a graveyard — 1,302 cards in the game can cause this (Chaos Shrine's Black Crystal is one).

When a creature leaves a graveyard thanks to Chaos Shrine's Black Crystal:

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 (Chaos Shrine's Black Crystal is one).

1. The War Doctor — When a creature is exiled thanks to Chaos Shrine's Black Crystal, The War Doctor puts a time counter on itself

anything leaves a graveyard — 2,503 cards in the game can cause this (Chaos Shrine's Black Crystal is one).

When a creature leaves a graveyard thanks to Chaos Shrine's Black Crystal:

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 (Chaos Shrine's Black Crystal is one).

When Chaos Shrine's Black Crystal 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 (Chaos Shrine's Black Crystal is one).

When Chaos Shrine's Black Crystal enters:

1. Ultron, Artificial Malevolence — makes a token
2. The Prydwen, Steel Flagship — makes a token
3. Conquest Mission — puts a quest counter on itself
4. Surge Conductor — proliferates
5. Replication Specialist — makes a token
6. Weapons Manufacturing — makes a token
7. Mirrorworks — makes a token

anything gets a counter — 4,415 cards in the game can cause this (Chaos Shrine's Black Crystal is one).

1. All Will Be One — When a permanent gets a counter thanks to Chaos Shrine's Black Crystal, All Will Be One deals that much damage

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

an artifact enters the battlefield — 4,643 cards in the game can cause this (Chaos Shrine's Black Crystal is one).

When Chaos Shrine's Black Crystal enters:

1. Transplant Theorist — draws you 1 card
2. Elvish Archivist — puts 2 +1/+1 counters on itself
3. Golbez, Crystal Collector — surveils
4. Sludge Strider — makes a player lose 1 life
5. Underhanded Designs — makes each opponent lose 1 life
6. Mechan Assembler — makes a token
7. Glassdust Hulk — gets +1/+1
8. Rook Turret — draws you 1 card
9. Hedron Detonator — deals 1 damage
10. Pactdoll Terror — makes each opponent lose 1 life

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

a nontoken creature enters the battlefield — 18,448 cards in the game can cause this (Chaos Shrine's Black Crystal is one).

When a creature enters thanks to Chaos Shrine's Black Crystal:

1. Riku of Two Reflections — makes a token
2. Samwise Gamgee — makes a token
3. Dual Nature — makes a token
4. Chainer, Nightmare Adept — grants haste
5. Preston, the Vanisher — makes a token

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