J21-6 Teyo, Aegis Adept

+1: Up to one target creature's base power perpetually becomes equal to its toughness. It perpetually gains "This creature can attack as though it didn't have defender."
−2: Conjure a card named Lumbering Lightshield onto the battlefield.
−6: You get an emblem with "At the beginning of your end step, return target white creature card from your graveyard to the battlefield. You gain life equal to its toughness."