Contagion Engine

you proliferate — 90 cards in the game can cause this (Contagion Engine is one).

When Contagion Engine proliferates:

1. Scheming Aspirant — makes each opponent lose 2 life
2. Ezuri, Stalker of Spheres — draws you 1 card
3. Voidwing Hybrid — returns itself from the graveyard
4. Venser, Corpse Puppet — triggers

1 other card cares 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 (Contagion Engine is one).

1. Hollowmurk Siege — When a creature gets a counter thanks to Contagion Engine, Hollowmurk Siege draws you 1 card
2. Wickersmith's Tools — When a creature gets a counter thanks to Contagion Engine, Wickersmith's Tools puts a charge counter on itself
3. Hapatra, Vizier of Poisons — When a creature gets a counter thanks to Contagion Engine, Hapatra, Vizier of Poisons makes a token
4. Ant-Man, Colony Commander — When a permanent gets a counter thanks to Contagion Engine, Ant-Man, Colony Commander makes a token
5. Flourishing Defenses — When a creature gets a counter thanks to Contagion Engine, Flourishing Defenses makes a token
6. Nest of Scarabs — When a creature gets a counter thanks to Contagion Engine, Nest of Scarabs makes that many tokens
7. Earth Kingdom General — When a permanent gets a counter thanks to Contagion Engine, Earth Kingdom General gains you that much life
8. Obelisk Spider — When a creature gets a counter thanks to Contagion Engine, Obelisk Spider makes each opponent lose 1 life
9. Auntie Ool, Cursewretch — When a creature gets a counter thanks to Contagion Engine, Auntie Ool, Cursewretch draws you 1 card
10. Casey Jones, Back Alley Brute — When a permanent gets a counter thanks to Contagion Engine, Casey Jones, Back Alley Brute deals that much damage

31 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 (Contagion Engine is one).

When Contagion Engine 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 (Contagion Engine is one).

When Contagion Engine 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 (Contagion Engine is one).

1. Aether Revolt — When a permanent gets a counter thanks to Contagion Engine, Aether Revolt deals that much damage
2. Territorial Gorger — When a permanent gets a counter thanks to Contagion Engine, Territorial Gorger gets +2/+2
3. Fabrication Module — When a permanent gets a counter thanks to Contagion Engine, Fabrication Module puts a counter on a creature
4. All Will Be One — When a creature gets a counter thanks to Contagion Engine, All Will Be One deals that much damage

4 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 (Contagion Engine is one).

When Contagion Engine 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.

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

When Contagion Engine enters:

1. HYDRA Assault Robot — deals 1 damage
2. Era of Innovation — puts a counter on a permanent you control

42 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 (Contagion Engine is one).

When Contagion Engine 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.