Macrog, Sailbound

+1: Destroy target artifact and Macrog deals 1 damage to any target. If you can't, instead target opponent discards 2 cards.
-X: Macrog deals X damage to target creature, then, if that creature would die this turn, you gain 2 life.
-7: Macrog deals 7 damage to target opponent, then draw a card. If that opponent would die this turn, instead draw 3 cards.