Dragon-Piercing Lance
You can only use this Skill's second effect once per Duel.
1: At the beginning of the Duel, add 1 "Dragunity Glow" and 1 "Dragunity Oubliette" to your Deck and 1 "Dragunity Knight - Romulus" to your Extra Deck. During this Duel, you cannot Normal or Special Summon monsters except for Dragon or Winged Beast monsters with 2400 or less DEF and "Dragunity" monsters.
2: Reveal 1 "Dragon Ravine" or "Dragunity Whirlwind" in your hand, shuffle 1 card from your hand into the Deck, then take 1 "Dragunity" monster or 1 "Dragunity" Equip Spell Card from your Deck and either add it to your hand or send it to the Graveyard.
Other Source
Skill Trader Exchange