Mostly used by newcomers and fire/metal users. Right now i will say not to use this card and wait when the Veteran expansion comes. But if you really want to have him in your deck here is his tactic.
Its a good card to have in your hand the first turn. Do not put him in your bench hes useless there. When you have him as your active smasher he could jump your enemy to death. Ore you use him the best way and evolve him to Metal Mario. So if you wanna evolve him to Metal Mario always make sure you have a metal energy on you Mario.