Aurora Shifter (M3C-097) – Modern Horizons 3 Commander [Rare]

Whenever Aurora Shifter deals combat damage to a player, you get that many .
At the beginning of combat on your turn, you may pay . When you do, Aurora Shifter becomes a copy of another target creature you control, except it has this ability and “Whenever this creature deals combat damage to a player, you get that many .”