Katrina, Adopted Fey Child

When this creature enters the battlefield, choose one—

•Search your library for a Fey creature card
and put it into your hand. Shuffle your library.
•Return target Fey creature from any graveyard to the battlefield under your control.
•Create a 3/3 Green and Blue Fey Wolf creature with {2}{u}: Tap target creature, then
put a stun counter on it.