Masergear Dragon

:When this unit is placed by riding from a grade 0 card with a Chrono icon, [reveal a grade 3 card with a Chrono icon from ride deck], draw two cards, choose a card from your hand, and put it on the bottom of the deck. (Drop):If your vanguard has a Chrono icon, and your opponent's vanguard is grade 3 or greater, [put this card that was in the ride deck into the ride deck face up], choose one of your rear-guards, put it on the bottom of the deck, search your deck for up to one unit card with grade equal to that chosen card's grade +1, call it to , and it gets +5000 until end of turn. Shuffle the deck.