Gyarados

Gyarados can't be blocked as long as
you've cast a noncreature spell this turn.
———{line}{line}{line}{line}{line}{line}{line}{line}{line}{line}{line}{line}{line}
Capsizing Wave {1}{u}
Instant - Adventure
Return target creature to its owner's hand.
(Then exile this card. You may cast the
creature later from exile.)