Limit Overdrive

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 that has a Level equal to the combined Levels the 2 monsters had on the field, ignoring its Summoning conditions. You can only activate 1 "Limit Overdrive" per turn.