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Gladiator Beast Nerokius
DARK/Winged Beast/8/2800/1900
3 “Gladiator Beast” monsters
Must first be Special Summoned (from your Extra Deck) by shuffling the above cards you control into the Deck. (You do not use “Polymerization”.) Cannot be destroyed by battle. If this card attacks or is attacked, your opponent cannot activate cards or effects until the end of the Damage Step. At the end of the Battle Phase, if this card attacked or was attacked: You can shuffle it into the Extra Deck; Special Summon 2 “Gladiator Beast” monsters from your Deck.
Keep in mind that although the Konami article currently states the card has 2600 ATK, the proxy card appears to have 2800 ATK. We list it as 2800 ATK here.
EDIT: And it looks like the Konami article just updated to say the card has 2800 ATK.