Wishiwashi

{1}, {t}: Search your library or graveyard for a
card named Wishiwashi and put in into your
hand.
{t}, sacrifice four creatures named Wishiwashi:
Create an 8/8 blue Fish Pokemon creature token
named Wishiwashi School Form. It has
hexproof, menace and "When this creature leaves
the battlefield, you may put a creature named
Wishiwashi from your graveyard into play."