You can Tribute 1 Tuner monster; Special Summon 1 'Synchron' monster from your Deck with a different Level than the Tributed monster. If you Special Summon a Synchro Monster from the Extra Deck during your opponent's turn: You can target 1 card on the field; shuffle it into the Deck. You can only use each effect of 'Starlight Junktion' once per turn.