Smog Smasher
Creature — Mutant Berserker, {4}{R}
Oracle Text
Menace
Start your engines!
Whenever one or more creatures you control deal combat damage to a player, conjure a duplicate of target nontoken creature into exile.
Max speed — At the beginning of combat on your turn, put all cards exiled with this creature onto the battlefield. They gain haste. Sacrifice them at the beginning of the next end step.