Saheeli, Soul of Invention

Whenever you cast an artifact spell, you get {e}.
{t}, Pay {e}: Target creature get +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.