Anachronous Dragon

(Gauge Zone):At the beginning of your battle phase, if this card is a regress gauge, 1, choose a card from your drop, and put it face up as a regress gauge. If you put a card, call this card to . :When this unit attacks a vanguard, if you have a grade 3 or greater vanguard with "Liael" in its card name, until end of that battle, this unit gets +5000, if you have three or more regress gauges, 2, choose one of your opponent's rear-guards, and retire it.