Crystron Quan

[ Machine / Tuner / Effect ] During your opponent's Main or Battle Phase (Quick Effect): You can Special Summon 1 non-Tuner monster from your hand, but its effects are negated (if any), and if you do, immediately after this effect resolves, Synchro Summon 1 Machine Synchro Monster using only that monster and this card. You can only use this effect of "Crystron Quan" once per turn. ATK/ 500 DEF/ 500