edhseer Commander synergy, explained
Creature — Leviathan
Mana cost: {5}{U}{U}
Flying
At the beginning of your upkeep, you get {E}{E}{E} .
triggered —
Pay eight {E}: Return all other creatures to their owners' hands. Activate only as a sorcery.
static — bounce
Causes: put a counter on anything, a creature leaves the battlefield.
Cares about: an upkeep.
anything leaves the battlefield — 1 card in the game can cause this (Aethersquall Ancient is one).
hits creature — 2,298 cards in the game can cause this.
12 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 (Aethersquall Ancient is one).
When a creature leaves the battlefield thanks to Aethersquall Ancient:
a creature leaves the battlefield — 4,238 cards in the game can cause this (Aethersquall Ancient is one).
21 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 (Aethersquall Ancient is one).
When a permanent gets a counter thanks to Aethersquall Ancient:
5 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 (Aethersquall Ancient is one).
When Aethersquall Ancient 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 (Aethersquall Ancient is one).
When Aethersquall Ancient attacks:
182 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 (Aethersquall Ancient is one).
When Aethersquall Ancient blocks:
24 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 (Aethersquall Ancient is one).
When Aethersquall Ancient enters:
298 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 (Aethersquall Ancient is one).
43 other cards care about it too. These are the ones with the most connections.