Set: Quarter Century Stampede ATK/DEF: 500/500 Card Number: RA04-EN021 Monster Type: Machine Rarity: Ultra Rare Attribute: WATER Card Text: During your opponent's Main Phase or Battle Phase: You can Special Summon 1 non-Tuner monster from your hand , but it has its effects negated (if any) and if you do immediately after this effect resolves Synchro Summon 1 Machine-Type Synchro Monster using only that monster and this card (this is a Quick Effect). You can only use this effect of "Crystron Quan" once per turn. Card Type: Tuner/Effect Monster Name: Crystron Quan Edition: 1st