Chronofang Tiger

:[Discard one or more cards from hand with the sum of their grades being 3 or greater], search your deck for up to one grade 4 card, ride it as , and shuffle your deck. At the end of this turn, retire that unit, choose a grade 3 card from your soul, and ride it as . :When this card is rode upon by "Chronotiger Rebellion", [discard a card from hand], and one of your vanguards gets +1/drive +1 until end of turn.