Set: Synchron Extreme Structure Deck
Card Number: SDSE-EN025
Card Text: Return 1 Tuner Synchro Monster and 1 non-Tuner Synchro Monster you control to the Extra Deck; Special Summon 1 Synchro Monster from your Extra Deck whose Level is equal to the combined Level of those 2 returned monsters, ignoring its Summoning conditions. You can only activate 1 "Limit Overdrive" per turn.
Card Type: Quick-Play Spell Card
Name: Limit Overdrive