edhseer Commander synergy, explained
Sorcery
Mana cost: {3}{B}{B}
Destroy target creature that isn't enchanted. It can't be regenerated.
on-cast —
Transmute {1}{B}{B}
Causes: a creature dies.
Cares about: nothing.
a creature in a graveyard — 2,769 cards in the game can cause this (Brainspoil is one).
Brainspoil puts cards into the graveyard that:
799 other cards care about it too. These are the ones with the most connections.
a nontoken creature dies — 2,769 cards in the game can cause this (Brainspoil is one).
When a creature dies thanks to Brainspoil:
60 other cards care about it too. These are the ones with the most connections.
a creature dies — 2,830 cards in the game can cause this (Brainspoil is one).
When a creature dies thanks to Brainspoil:
450 other cards care about it too. These are the ones with the most connections.
a creature goes to a graveyard — 3,011 cards in the game can cause this (Brainspoil is one).
When a creature hits the graveyard thanks to Brainspoil:
10 other cards care about it too. These are the ones with the most connections.
a sorcery is cast — 3,720 cards in the game can cause this (Brainspoil is one).
When Brainspoil is cast:
428 other cards care about it too. These are the ones with the most connections.
a card in a graveyard — 7,589 cards in the game can cause this (Brainspoil is one).
443 other cards care about it too. These are the ones with the most connections.