It may look plain at first glance, but since it is an optional effect, by chaining this effect after the effect of "Junk Speeder" when it is used as a Synchro material, you can protect Speeder from disruption cards like "Ash Blossom & Joyous Spring" or "Wave of the Spirit King"
Crystron Quandax X WATER Level 4 [ Machine / SynchroTunerEffect ] ATK 1800 DEF 2000 1 Tuner + 1+ non-Tuner monsters Once per Chain, during your opponent's Main or Battle Phase, you can (Quick Effect): Immediately after this effect resolves, Synchro Summon 1 Synchro Monster, using materials including this card you control
Accel Synchro Stardust Dragon Though Loading
Each choice later determines which characters to face in future duels, which are displayed on a world map within the game
Activate the effect of " Beyond the Pendulum " to add " Dodoremichord Cutia " from your Deck to your hand.9