Gladiator Beast Claudius (SUDA-EN038) - Supreme Darkness 1st Edition

5 "Gladiator Beast" monsters
Must first be Special Summoned (from your Extra Deck) by shuffling the above cards from your field and/or GY into the Deck/Extra Deck. If Summoned this way: You can conduct your next Battle Phase twice. Once per turn, if your opponent activates a monster effect (except during the Damage Step): You can activate the following effect depending on whose turn it is;
• Yours: Special Summon 1 "Gladiator Beast" monster from your Deck.
• Opponent's: Special Summon 1 Level 11 or lower "Gladiator Beast" monster from your Extra Deck, ignoring its Summoning conditions.