Pruni, Aquarium Keeper

Gift a tapped Fish (You may promise an opponent a gift as you cast this spell. If you do, they create a tapped blue 1/1 Fish creature token before its other effects.)
When Pruni enters, search your library for up to one Forest or Island card and put it onto the battlefield. If the gift wasn't promised, put a +1/+1 counter on up to 2 Krakens, Leviathans, Octopuses, or Serpents you control.
{1}{g/u}{t}: Draw a card.