Dragunity Knight - Trident (DT04-EN040) - Duel Terminal 4 Limited

1 Dragon-Type Tuner + 1 or more non-Tuner Winged Beast-Type monsters. // Once per turn, you can send up to 3 cards you control to the Graveyard to look at your opponent's Extra Deck and send an equal number of cards to the Graveyard.