Dying Wish
From Gatecrash set
Dying Wish
Enchantment — Aura
Enchant creature you control
When enchanted creature dies, target player loses X life and you gain X life, where X is its power.
Rulings
- Use the creature’s power the last time it was on the battlefield to determine how much life the target player loses and how much life you gain.
- If another player gains control of either Dying Wish or the enchanted creature (but not both), Dying Wish will be enchanting an illegal permanent. The Aura will be put into its owner’s graveyard as a state-based action.