edhseer Commander synergy, explained
Creature — Illusion
Mana cost: {1}{U}
Defender
Whenever this creature blocks a creature, tap that creature. That creature doesn't untap during its controller's next untap step.
triggered — keeps permanents from untapping
Causes: nothing.
Cares about: nothing.
anything attacks — 17,934 cards in the game can cause this (Vertigo Spawn is one).
When Vertigo Spawn attacks:
111 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 (Vertigo Spawn is one).
When Vertigo Spawn attacks:
180 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 (Vertigo Spawn is one).
When Vertigo Spawn blocks:
18 other cards care about it too. These are the ones with the most connections.
a creature deals combat damage — 17,934 cards in the game can cause this (Vertigo Spawn is one).
When Vertigo Spawn deals combat damage:
193 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 (Vertigo Spawn is one).
When Vertigo Spawn attacks:
a creature is cast — 18,010 cards in the game can cause this (Vertigo Spawn is one).
When Vertigo Spawn is cast:
81 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 (Vertigo Spawn is one).
When Vertigo Spawn enters:
27 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 (Vertigo Spawn is one).
When Vertigo Spawn 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 (Vertigo Spawn is one).
39 other cards care about it too. These are the ones with the most connections.