The Grand Merlin

Protection from Aurochs, Bears, Beasts, Birds,
Frogs, Horses, Hounds, Lizards, Rabbits, Rats,
Salamanders, Serpents, and Wolves.
{g}: Until end of turn, Merlin becomes a green
4/5 Bear with trample.
{w}: Until end of turn, Merlin becomes a white
2/2 Bird with flying and vigilance.
{u}: Until end of turn, Merlin becomes a blue
3/3 Fish that can't be blocked.