Factory Strider, Automaton

Trample
{2}{r},{t}: Create two 1/1 red and black Automaton
Artifact Creature tokens.
{1}{b}{r},{t}: Create one 3/1 red and black Rocket
Raider Automaton Artifact Creature token.
{1}{w}{b}{r},{t}: Create one 3/3 red and black
Devastator Automaton Artifact Creature token.
{2}{w}{b}{r}: {ut}