Urza, Mighty Artificer

Whenever you cast an artifact spell, you get {e}
{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.
Urza studied the creations of the Thran not simply to
learn from them, but to surpass them.