Magnezone

You may sacrifice a creature named Magneton and
pay {e}{e} rather than pay this spells mana cost.
At the beginning of each upkeep, get {e}{e}{e}.
Magnezone can't have -1/-1 counters placed on it.
Pay {e}: Magnezone gains flying until end of turn, or it deals 5 damage to each attacking and each blocking creature.
Pay {e}{e}: Untap target artifact creature, that
creature attacks or blocks this turn if able. {t}, Pay {e}, exert Magnezone: Magnezone deals
10 damage to