: Whenever you cast a spell with its mutate ability, that spelll cannot be countered.

+1: Reveal a nonhuman creature in your hand, it gains mutate until end of turn. The mutate cost is equal to its mana cost.

-2: Target a creature you control, search your library for a nonhuman creature with mana value of X or less where X is the number of times the target creature has mutated. Reveal the card from your library, add it to your hand, then shuffle.