T.G. Halberd Cannon

1 Tuner Synchro Monster + 2 or more non-Tuner Synchro Monsters // This card cannot be Special Summoned except by Synchro Summon. Once per turn, while this card is face-up on the field, 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 T.G. monster in your Graveyard, and Special Summon it.