Ayesha Tanaka, Armorer [Dominaria United Commander]

Ayesha Tanaka, Whenever Armorer attacks, look at the top four cards of your library. You can put any number of artifact cards with mana value less than or equal to Ayesha's power from among them onto the battlefield tapped. Put the rest on the bottom of your library in a random order.

Ayesha can't be blocked as long as defending player controls three or more artifacts.