edhseer Commander synergy, explained
Enchantment Creature — Nightmare
Mana cost: {1}{U}
As an additional cost to cast this spell, return a permanent you control to its owner's hand.
static — bounce
Flying
Causes: a permanent leaves the battlefield.
Cares about: nothing.
anything leaves the battlefield — 1 card in the game can cause this (Fear of Isolation is one).
a Nightmare enters the battlefield — 151 cards in the game can cause this (Fear of Isolation is one).
a nontoken permanent leaves the battlefield — 313 cards in the game can cause this (Fear of Isolation is one).
a permanent leaves the battlefield — 315 cards in the game can cause this (Fear of Isolation is one).
When Fear of Isolation leaves the battlefield:
an enchantment is cast — 3,673 cards in the game can cause this (Fear of Isolation is one).
When Fear of Isolation is cast:
255 other cards care about it too. These are the ones with the most connections.
a nontoken enchantment enters the battlefield — 3,691 cards in the game can cause this (Fear of Isolation is one).
an enchantment enters the battlefield — 3,743 cards in the game can cause this (Fear of Isolation is one).
When Fear of Isolation enters:
67 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 (Fear of Isolation is one).
When Fear of Isolation attacks:
116 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 (Fear of Isolation is one).
When Fear of Isolation attacks:
183 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 (Fear of Isolation is one).
When Fear of Isolation blocks:
24 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 (Fear of Isolation is one).
When Fear of Isolation is cast:
89 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 (Fear of Isolation is one).
When Fear of Isolation enters:
327 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 (Fear of Isolation is one).
48 other cards care about it too. These are the ones with the most connections.