edhseer Commander synergy, explained
Creature — Giant
Mana cost: {5}{W}{W}
When this creature enters, put target creature into its owner's library just beneath the top X cards of that library, where X is the number of Plains you control.
triggered —
Causes: a creature leaves the battlefield.
Cares about: nothing.
hits creature — 2,298 cards in the game can cause this (Quarry Colossus is one).
8 other cards care about it too. These are the ones with the most connections.
a nontoken creature leaves the battlefield — 4,133 cards in the game can cause this (Quarry Colossus is one).
3 other cards care about it too. These are the ones with the most connections.
a creature leaves the battlefield — 4,238 cards in the game can cause this (Quarry Colossus is one).
When a creature leaves the battlefield thanks to Quarry Colossus:
27 other cards care about it too. These are the ones with the most connections.
anything attacks — 17,934 cards in the game can cause this (Quarry Colossus is one).
When Quarry Colossus attacks:
112 other cards care about it too. These are the ones with the most connections.
a creature attacks — 17,934 cards in the game can cause this (Quarry Colossus is one).
When Quarry Colossus attacks:
181 other cards care about it too. These are the ones with the most connections.
a creature blocks — 17,934 cards in the game can cause this (Quarry Colossus is one).
When Quarry Colossus blocks:
18 other cards care about it too. These are the ones with the most connections.
a nontoken creature attacks — 17,934 cards in the game can cause this (Quarry Colossus is one).
When Quarry Colossus attacks:
a creature deals combat damage — 17,934 cards in the game can cause this (Quarry Colossus is one).
When Quarry Colossus deals combat damage:
194 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 (Quarry Colossus is one).
90 other cards care about it too. These are the ones with the most connections.
a creature enters the battlefield — 19,800 cards in the game can cause this (Quarry Colossus is one).
When Quarry Colossus enters:
299 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 (Quarry Colossus is one).
42 other cards care about it too. These are the ones with the most connections.