Cosmic Cube

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

When Cosmic Cube 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 (Cosmic Cube is one).

When Cosmic Cube 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

an artifact it grants abilities to — 4,531 cards in the game can cause this.

1. Darksteel Forge — Darksteel Forge gives Cosmic Cube indestructible

4,530 other cards cause it too. These are the ones with the most connections.

an artifact it applies untap to — 4,531 cards in the game can cause this.

1. Unwinding Clock — Unwinding Clock gives Cosmic Cube an extra untap

4,530 other cards cause it too. These are the ones with the most connections.

an artifact enters the battlefield — 4,643 cards in the game can cause this (Cosmic Cube is one).

When Cosmic Cube 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 creature is cast — 18,010 cards in the game can cause this (Cosmic Cube is one).

When a creature is cast thanks to Cosmic Cube:

1. Bloodbond March — brings a card back
2. Dancing from Dark to Dawn — puts that spell's mana value counters on a creature
3. Endrek Sahr, Master Breeder — makes that spell's mana value tokens
4. Summon: Fenrir — arrives with counters
5. Summon: Brynhildr — grants haste
6. Skittering Horror — sacrifices itself
7. Skittering Skirge — sacrifices itself
8. Skittering Monstrosity — sacrifices itself
9. Silverback Elder — triggers
10. Oltec Matterweaver — triggers

81 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 (Cosmic Cube is one).

When Cosmic Cube enters:

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

38 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 (Cosmic Cube is one).

1. Sokka, Bold Boomeranger — When Cosmic Cube is cast, Sokka, Bold Boomeranger puts a +1/+1 counter on itself
2. Captain Jean-Luc Picard — When a creature is cast thanks to Cosmic Cube, Captain Jean-Luc Picard makes a token
3. Saheeli, Radiant Creator — When Cosmic Cube is cast, Saheeli, Radiant Creator puts a counter on a permanent you control

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