Emily, Spirit Whisperer

+1: Target creature you control gets +1/+1 counters equal to twice the amount of damage dealt to it this turn.
-2: Reveal an Enchant Creature Aura from your hand. Target creature you control gains the abilities of that Aura.
-4: Exile all opponents' enchantments targeting creatures you control. Until end of turn, creatures you control have one another's abilities.