Prakquiis, Sea Saurian

+1: Create a 1/1 blue Fish creature token with "Sacrifice this creature: You may add one blue mana to your mana pool, or you may gain 1 life."
-2: Create a 3/3 blue Squid creature token with Islandwalk with "Tap this creature: Tap target creature."
-5: All creatures you control get +1/+1, Trample, Hexproof, and Islandwalk until you next upkeep.