Gladiator Beast Murmillo (GLAS-EN019) - Gladiator's Assault Unlimited

When this card is Special Summoned by the effect of a "Gladiator Beast" monster, destroy 1 face-up monster. At the end of the Battle Phase, if this card attacked or was attacked, you can return it to the Deck to Special Summon 1 "Gladiator Beast" monster from your Deck, except "Gladiator Beast Murmillo".