edhseer Commander synergy, explained
Instant
Mana cost: {2}{W/U}{W/U}
Each other creature becomes a copy of target nonlegendary creature until end of turn.
on-cast — copies a permanent
Causes: copy a creature.
Cares about: nothing.
an instant is cast — 3,931 cards in the game can cause this (Mirrorweave is one).
When Mirrorweave 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 (Mirrorweave is one).
When Mirrorweave is cast:
5 other cards care about it too. These are the ones with the most connections.