Retral, Psychic Mindtheif

+2: Take control of target creature target opponent controls with power/toughness less than 2/2 it becomes a 1/1 colorless dummy creature.
-1: Sacrifice two dummy creatures you control if you do create a 3/3 Dummy creature with haste and vigilance.
-8: Exile all creatures target controls create a 1/1 blue dummy creature token for each creature exiled this way.