edhseer Commander synergy, explained
Instant
Mana cost: {1}{B}
Target creature gets +X/+0 until end of turn, where X is the number of creature cards in your graveyard.
on-cast — gives +X/+0, where X is the number of creature cards in your graveyard
Causes: nothing.
Cares about: a creature in a graveyard.
a creature in a graveyard — 2,769 cards in the game can cause this (Ghoul's Feast is one).
2,759 other cards care about it too. These are the ones with the most connections.
an instant is cast — 3,931 cards in the game can cause this (Ghoul's Feast is one).
When Ghoul's Feast is cast:
427 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 (Ghoul's Feast is one).
When Ghoul's Feast is cast:
5 other cards care about it too. These are the ones with the most connections.