Whiplash Trap

If an opponent had two or more creatures enter the battlefield under his or her control this turn, you may pay {U} rather than pay Whiplash Trap's mana cost.\r
Return two target creatures to their owners' hands.

If an opponent had two or more creatures enter the battlefield under their control this turn, you may pay {U} rather than pay this spell's mana cost.
Return two target creatures to their owners' hands.

If an opponent had two or more creatures enter the battlefield under his or her control this turn, you may pay {U} rather than pay Whiplash Trap's mana cost.
Return two target creatures to their owners' hands.