Merfair, Avenger of the Sea

Islandwalk, Flying
When Merfair enters the battlefield you get X 1/1 blue fish creature tokens.
When Merfair enters the battlefield target creature you control gains X 1/1 counters.
Creatures you control with a Mutant counter have Islandwalk and flying.
{g/u} : Target creature gets a Mutant counter.