You can only Special Summon this card by its (1)st effect once per turn, and you can only use its (2)nd effect once per turn.
(1) If you control a “Gladiator Beast” monster Special Summoned from the Deck or Extra Deck, you can Special Summon this card (from your hand).
(2) You can Tribute this card and shuffle 1 “Gladiator Beast” monster from your hand or face-up field into the Deck/Extra Deck; Special Summon up to 2 “Gladiator Beast” monsters from your Deck. (This is treated as a Special Summon by a “Gladiator Beast” monster’s effect.)