Koi, Leader of the Rivers

Islandwalk, myriad

Other blue nontoken creatures you control have +2/+2 and "as long as this creature is tapped, it can't leave the battlefield."

{x}{u/r}: create X 1/1 blue Fish tokens with islandwalk. Activate this ability as a sorcery and only once each turn.

"Move forrrward! I'm ready to sacrifice my scales for any of you!"