Tribute 1 DARK monster with 2500 or more ATK, and choose Spell Cards or Trap Cards. Check all Spell and Trap Cards on your opponent's side of the field, your opponent's hand and all cards they draw (until the end of your opponent's 3rd turn after this card's activation), and destroy all cards of the chosen type. More detail.

"Gladiator Beast Laquari" + 1 "Gladiator Beast" monster + 1 "Gladiator Beast" monster
This card can only be Special Summoned from your Fusion Deck, by returning the above cards you control to the Deck. (You do not use "Polymerization".) While this card is face-up on the field, by discarding 1 card from your hand, negate the activation and effect of a Spell or Trap Card, and destroy it. More detail.