A.I Engineer

When this card attacks create 2 1/1 Colorless Protype artifact creature token with Testing 1,( When this card dies create a 1/1 Protype with a +1/+1 counter and Testing 2).
{4}: Sacrifice 4 creatures you control, then create a copy token of target creature.
{1}{t}, Reveal the top card of your library, if it is an artifact you may add it to your hand, if not shuffle your deck.