The Great Suckerfish

Trample, Ward - Return a creature to your hand

The Great Suckerfish gets +1/+1 for each other Fish, Octopus, Kraken, Serpent, and Leviathan you
control

Whenever The Great Suckerfish leaves the battlefield, you may put an Octopus, Kraken,
Serpent, or Leviathan from your hand onto the battlefield.