Hellfire Seal Dragon, Weathercloth (RRR)

[AUTO] Limit Break 4 (This ability is active if you have four or more damage):When a«Kagerō» rides this unit, choose your vanguard, that unit gets [Power]+10000 until end of turn, choose up to two of your opponent's rear-guards, retire them, your opponent looks at four cards from the top of his or her deck, search for up to two 2 cards, call them to separate (RC), and shuffle his or her deck.
[AUTO](VC):When this unit attacks, if the number of rear-guards you have is more than your opponent's, this unit gets [Power]+2000 until end of that battle.