edhseer Commander synergy, explained
Sorcery
Mana cost: {3}{B}{B}
Exile each creature with power greater than the number of cards in your hand.
on-cast —
Exile each creature with power less than the number of cards in your hand.
on-cast —
Causes: you face a dilemma, exile a creature.
Cares about: nothing.
you face a dilemma — 739 cards in the game can cause this (Nightmare Unmaking is one).
When Nightmare Unmaking poses a dilemma:
a nontoken creature is exiled — 995 cards in the game can cause this (Nightmare Unmaking is one).
a creature is exiled — 1,003 cards in the game can cause this (Nightmare Unmaking is one).
1 other card cares about it too. These are the ones with the most connections.
anything is exiled — 2,497 cards in the game can cause this (Nightmare Unmaking is one).
a sorcery is cast — 3,720 cards in the game can cause this (Nightmare Unmaking is one).
When Nightmare Unmaking is cast:
424 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 (Nightmare Unmaking is one).
When Nightmare Unmaking is cast:
5 other cards care about it too. These are the ones with the most connections.