Shift Condition : 4 or more of your opponent's Resource
Shift Vessel : [Gear Dragon] with "Helical Fort" in its card name
[Auto] <Player> ≪Yui≫ <Valid> Square <Trigger> You Shift In to this card. <Effect> Reveal 7 cards from the top of your deck, choose up to one "Reverse Alter, Helical Fort" or "Alter Break, Helical Fort" or "Helical Order Release, Helical Fort" from among them, add it to hand, return the rest back, and shuffle. If you added a card, choose one of your hand, and put it on the bottom of deck.