Quadraxis, Praetors' Warden

Trample
Whenever a nontoken Myr creature enters
the battlefield under your control, create a
1/1 colorless Myr artifact creature token.
Sacrifice five Myr creatures: Search your library
and/or graveyard for a Myr creature card or a noncreature atifact card and put it onto the battlefield.
Myr creature tokens you control have {t}:{c}