flavorText: In Rath, there are only so many souls to go around.
name: Equilibrium
originalText: Whenever you successfully cast a creature spell, you may pay o1 to return target creature to owner's hand.
printings: 7ED, EXO, PLST
text: Whenever you cast a creature spell, you may pay {1}. If you do, return target creature to its owner's hand.