Mikar the Hearty

Creatures you control and creature cards you own that aren't on the battlefield are Mutants in addition to their other types.
{2}, {t}: Change Mikar's text by replacing all instances of other creature types with the creature type of your choice.
Tap three untapped Mutants you control: Until end of turn, Mikar becomes a land and gains "{t}: Add one mana of any color."