Echos of the Ancestors

Whenever an artifact enters the battlefield under
your control, you may look at the top card of your library. If it's an artifact card, you may reveal it
and put it into your hand.
{3}, {t}: Put a historic permanent card from your
hand onto the battlefield.
•Transform Condition: Successfully put 5 historic permanents onto the battlefield with this ability
Back (Ancestral Automaton)