Delta, The Shifter

+1: Delta, The Shifter becomes a copy of a target creature until the start of your next turn. Delta, The Shifter has indestructible while shifted
-1: Place a mark on target creature. Attacks made against this creature have +2 Power and lifesteal
-2: Place a mark on a target creature. When this creature dies, Delta, The Shifter gains 3 loyalty and you heal 3 life