Dragunity Knight – Trident – (Hidden Arsenal Chapter 1) – (HAC1-EN164) – (Common)

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 from there to the Graveyard.