Gorn, Emboldened by Rage

Trample
Whenever Gorn, Emboldened by Rage attacks, you may sacrifice a creature. If you do, Gorn gets +X/+0 until end of turn, where X is the sacrificed creature's power.
Whenever Gorn, Emboldened by Rage deals combat damage to a player, you may pay {1}{g}{b}. If you do, return target creature card from your graveyard to the battlefield tapped.