Midnight Clock

a nontoken artifact is exiled — 334 cards in the game can cause this (Midnight Clock is one).

When Midnight Clock is exiled:

1. Psychomancer — makes each opponent lose 1 life
2. Slagstone Refinery — makes a token

an artifact is exiled — 336 cards in the game can cause this (Midnight Clock is one).

1. Shard of the Void Dragon — When Midnight Clock is exiled, Shard of the Void Dragon puts 2 +1/+1 counters on itself

1 other card cares 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 (Midnight Clock is one).

1. Sludge Strider — When Midnight Clock leaves the battlefield, Sludge Strider makes a player lose 1 life

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

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

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

When Midnight Clock 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 (Midnight Clock is one).

When Midnight Clock 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

a card is drawn — 3,815 cards in the game can cause this (Midnight Clock is one).

When Midnight Clock makes a player draw a card:

1. Toothy, Imaginary Friend — puts a +1/+1 counter on itself
2. Temmet, Naktamun's Will — gives +1/+1
3. Niv-Mizzet, Parun — deals 1 damage
4. Aether Syphon — mills a card
5. The Locust God — makes a token
6. Starving Revenant — makes each opponent lose 1 life
7. Diviner's Wand — gets +1/+1
8. Ominous Seas — puts a foreshadow counter on itself
9. Dream Trawler — gets +1/+0
10. Iron Man, Armored Avenger — puts a counter on a creature

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

anything gets a counter — 4,415 cards in the game can cause this (Midnight Clock is one).

1. All Will Be One — When Midnight Clock gets a counter, All Will Be One deals that much damage

7 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 (Midnight Clock is one).

When Midnight Clock enters:

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

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

anything enters the battlefield — 26,499 cards in the game can cause this (Midnight Clock is one).

When Midnight Clock enters:

1. HYDRA Assault Robot — deals 1 damage
2. Era of Innovation — puts a counter on a permanent you control
3. Nature's Wrath — makes a player sacrifice an Island or permanent

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

anything is cast — 31,128 cards in the game can cause this (Midnight Clock is one).

When Midnight Clock is cast:

1. Sokka, Bold Boomeranger — puts a +1/+1 counter on itself
2. Saheeli, Radiant Creator — puts a counter on a permanent you control

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