Mario

You may {t}{x}{r} on your turn. If you did,
Mario deals {x}damage to all of your opponents creatures with {r},{b/r},{r/g},{r/w},{u/r} in their mana cost. All the creatures you control
with {r} in their mana cost get the following:
If blocked by a creature, that creature takes
1 damage its controllers next turn, then double
that his next turn, so on.