1 Tuner Synchro Monster + 2 or more non-Tuner Synchro Monsters
This card cannot be Special Summoned except by Synchro Summon. Once per turn, you can negate the Summon of a monster, and destroy it. When this card is sent from the field to the Graveyard, you can select 1 "Tech Genus" monster in your Graveyard, and Special Summon it.