When this card is Special Summoned by the effect of a 'Gladiator Beast' monster, you can select 1 'Gladiator Beast' monster from your Graveyard and Special Summon it. That monster's effect(s) is negated, and it is returned to your Deck when this card is removed from the field. 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 Darius'.