The Green Wizard

{t}: Add one mana of any color in your commanders identity
{x}{x}, {t}: Creatures you control gain trample and get +X/+X until end of turn.

At the beginning of your end step, if you both own and control The White Wizard, The Blue Wizard, The Black Wizard, The Red Wizard and The Green Wizard, exile them, then meld them into The Wizard of The Coast