edhseer Commander synergy, explained
Instant
Mana cost: {1}{U}
Change the target of target spell that targets only a player. The new target must be a player.
on-cast — changes what a spell or ability targets
Causes: nothing.
Cares about: nothing.
an instant is cast — 3,931 cards in the game can cause this (Rebound is one).
When Rebound 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 (Rebound is one).
When Rebound is cast:
5 other cards care about it too. These are the ones with the most connections.