When this card is Special Summoned by the effect of a "Gladiator Beast" monster, add 1 "Gladiator Beast" card from your Graveyard to your hand. 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 Equite".