Aquaman

Islandwalk
When Aquaman enters the battlefield, create two
0/1 blue Fish creature tokens.
Fish spells you cast cost {1} less to cast.
Fish, Starfish, Jellyfish, Sharks, Whales, Leviathans, Octopuses, Squids, Krakens, Crabs, Homarids, Cephalids, Trilobites, Turtles, Sponges, Oysters, and Serpents you control get +1/+1.