Supernatural Stamina
From Amonkhet set
Supernatural Stamina
Instant
Until end of turn, target creature gets +2/+0 and gains "When this creature dies, return it to the battlefield tapped under its owner's control."
Rulings
- Supernatural Stamina's effect works only once. If the targeted creature dies and is then returned to the battlefield, it's considered to be a new creature. If that new creature dies, it won't come back a second time.