Cosmic Quasar Dragon (Quarter Century Secret Rare) (DUNE-EN037) - Duelist Nexus 1st Edition Number_CT07-EN018 Card TextActivate only if you

Card TextActivate only if you control a face-up "Gladiator Beast" monster

You can only control 1 "Ido the Supreme Magical Force"

Card TextThe controller of this card sends 1 Iron Core of Koa'ki Meiru from their hand to the Graveyard

// *This card becomes DARK and its Level is increased by 1

and 'Gamma the Magnet Warrior' from your hand or the field as a Tribute

Cosmic Quasar Dragon (Quarter Century Secret Rare) (DUNE-EN037) - Duelist Nexus 1st Edition Number_CT07-EN018 Card TextActivate only if youTypeDragon Effect Synchro Monster AttributeLIGHT Level Rank12 ATK DEF4000 4000 Card Text1 Tuner Synchro Monster + 2+ non Tuner Synchro Monsters Must first be Synchro Summoned with the above materials. Once per turn: You can target face up cards on the field, up to the number of monsters used as Synchro Material for this card +1; negate their effects. This effect's activation and effect cannot be negated. (Quick Effect): You can banish this Synchro