edhseer Commander synergy, explained
Instant
Mana cost: {1}{G}
Target creature gets +X/+X until end of turn, where X is 3 plus the number of cards named Muscle Burst in all graveyards.
on-cast — gives +X/+X, where X is 3 plus the number of cards named ~ in all graveyards
Causes: nothing.
Cares about: nothing.
an instant is cast — 3,931 cards in the game can cause this (Muscle Burst is one).
When Muscle Burst 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 (Muscle Burst is one).
When Muscle Burst is cast:
5 other cards care about it too. These are the ones with the most connections.