Look at the top 7 cards of your deck, choose up to 1 card from among them that either has "Dragontree" in its card name, has "Masques" in its card name, is named "Corrosive Smoke Signals", or is named "Masque of Hydragrum", reveal it and add it to your hand, and shuffle your deck. If there are no Dragontree markers on your , choose 1 of your , and put a Dragontree marker on it. [Drop]:If your vanguard is grade 10 or greater, [remove 2 cards with the same name as this card from your drop], choose 1 of your without any Dragontree markers, and put a Dragontree marker on it. If you did not put, draw a card. This ability may only be used by a card with the same card name once a turn. [Drop]:If you have a grade 3 vanguard without "Masques" in its card name, [reveal a grade 3 card with "Masques" in its card name from your hand], and ride the card revealed for this cost as . If you rode, put this card into your soul, and if your opponent's vanguard is grade 3 or greater and you have not persona rode this turn, activate persona ride.