Undo is a Time Magic spell exclusive to Final Fantasy Tactics A2: Grimoire of the Rift. The spell has one of two effects; If the target was healed on previous turn, Undo will deal damage to selected unit. If the target was damaged on previous turn instead, the target selected will be healed. This happens to the target's MP as well as HP. It can be learned from the Crown Scepter for 300 AP and costs 14 MP to cast, and has a range of 3 tiles.