Artifact, 2 (2) Darksteel Brute is indestructible. ("Destroy" effects and lethal damage don't destroy it.) {3}: Darksteel Brute becomes a 2/2 Beast artifact creature until end of turn.1
Illus. Nottsuo
8/1/2008: A noncreature permanent that turns into a creature is subject to the "summoning sickness" rule: It can only attack, and its {T} abilities can only be activated, if its controller has continuously controlled that permanent since the beginning of his or her most recent turn.