Atraxa, the Machine

Flying, Vigilance, Deathtouch, Lifelink.
When Atraxa enters, search your library for
two basic land cards, put those cards of the battlefield, shuffle, create four 1/1 colorless Phyrexian Mite artifact creature tokens with
toxic 1 and "This token can't block," draw
three cards, and return target creature from a graveyard to the battlefield under your
control.