Gladiator Beast Bestiari (AP07-EN018) - Astral Pack 7 Unlimited

If this card is Special Summoned by the effect of a "Gladiator Beast" monster: Target 1 Spell/Trap Card on the field; destroy that target. At the end of the Battle Phase, if this card attacked or was attacked: You can shuffle it into the Deck; Special Summon 1 "Gladiator Beast" monster from your Deck, except "Gladiator Beast Bestiari".