edhseer Commander synergy, explained
Instant
Mana cost: {2}{G}
You gain 2 life for each creature card in your graveyard.
on-cast — gains you life
Flashback {2}{G}
Causes: gain life.
Cares about: a creature in a graveyard.
life is gained — 2,076 cards in the game can cause this (Gnaw to the Bone is one).
When Gnaw to the Bone gains life:
84 other cards care about it too. These are the ones with the most connections.
a creature in a graveyard — 2,769 cards in the game can cause this (Gnaw to the Bone 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 (Gnaw to the Bone is one).
When Gnaw to the Bone 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 (Gnaw to the Bone is one).
When Gnaw to the Bone is cast:
5 other cards care about it too. These are the ones with the most connections.