Formula Synchron (Quarter Century Secret Rare) (RA04-EN143) [Quarter Century Stampede]

1 Tuner + 1 non-Tuner monster<br>When 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.