Flying When Razor Hippogriff enters the battlefield, return target artifact card from your graveyard to your hand. You gain life equal to that card's mana value.
2011-01-01
If the artifact card in your graveyard is an illegal target by the time the ability resolves, the ability won't resolve. You won't gain any life.
2011-01-01
If the mana cost of the targeted card includes {X}, X is considered to be 0.