Parry Frog

Link 1
Tap an untapped creature linked to Parry Frog
and discard or sacrifice a blue creature, to
counter target spell. Then exile the countered
spell under Parry Frog. You may cast spells exiled
under Parry Frog at any time without paying
their mana costs. After you play a spell exiled
under Parry Frog return it to its owner's hand at
the beginning of the next end step.