Mire Blight | Magic: The Gathering
Formats Mire Blight is Legal in
Official Oracle Text for Mire Blight
When enchanted creature is dealt damage, destroy it.
—Tarsa, Sea Gate sell-sword
Official Rulings for Mire Blight
10/1/2009 : If Mire Blight's ability triggers, the creature it was enchanting at that time is the one that will be destroyed when the ability resolves. It doesn't matter if Mire Blight leaves the battlefield or somehow becomes attached to another creature by that time.