Gladiator Beast Bestiari + 1 Gladiator Beast monster
This card can only be Special Summoned from your Extra Deck by returning the above cards you control to the Deck. (You do not use Polymerization.) When this card is Special Summoned, you can destroy up to 2 cards on the field. At the end of the Battle Phase, if this card attacked or was attacked, you can return this card to the Extra Deck to Special Summon 2 Gladiator Beast monsters from your Deck, except Gladiator Beast Bestiari.