Malgus stridiron

Whenever you cast an artifact spell, you get {e}(an energy counter). {t}, Pay {e}: target creature gets +1/+0 and gains trample and haste until end of turn. {t}, Pay {e}{e}{e}: draw a card. {t}, Pay {e}{e}{e}{e}{e}: return target artifact card from your graveyard to the battlefield tapped.