Kirva, Hydromancer

+1: you may return a creature you control to its owner's hand.If you do, return a creature an opponent control to its owner's hand.
-2: Scry 1, then reveal the top card of your library. If it's an island card, put it in your hand.
-6: Islands you tap for mana produce an additionnal {u} Until the end of the next end step.