Gladiator Beast Gyzarus (LODT-EN044) - Light of Destruction 1st Edition Attribute_Light You can negate the activation

You can negate the activation and effect of any Spell Cards and destroy them

or as a target of a Spell or Trap Card

Typenull / Quick-Play Spell

If this card is discarded to the Graveyard by a card effect: Target 1 card your opponent controls

each time your opponent Special Summon a monster(s)

Gladiator Beast Gyzarus (LODT-EN044) - Light of Destruction 1st Edition Attribute_Light You can negate the activationTypeWinged Beast Fusion Effect Monster AttributeDark ATK DEF2400 1500 Card Text"Gladiator Beast Bestiari" + 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".) When this card is Special Summoned, you can destroy up to 2 cards on the field. At the end of the Battle Phase, if this card attacked or was attacked, you can return