Formula Synchron [RA04-EN143] Quarter Century Secret Rare BW64 its ATK is doubled during

its ATK is doubled during the Damage Step only

Set: EX: Team Rocket Returns Type: Water Rarity: Uncommon Retreat cost: Colorless

If they do control one

Set: Quarter Century Stampede Card type: Effect Monster Rarity: Quarter Century Secret Rare You can Special Summon this card (from your hand) by banishing 1 LIGHT and 1 DARK monster from your GY

Formula Synchron [RA04-EN143] Quarter Century Secret Rare BW64 its ATK is doubled duringSet: Quarter Century Stampede Card type: Synchro Tuner Effect Monster Rarity: Quarter Century Secret Rare 1 Tuner + 1 non Tuner monsterWhen this card is Synchro Summoned: You can draw 1 card. Once per Chain, during your opponent's Main Phase, you can (Quick Effect): Immediately after this effect resolves, Synchro Summon using this card you control.