Flagship Dragon, Flagburg Dragon

[AUTO](VC):When this unit attacks a vanguard, [COST][Counter-Blast 1], and perform all of the following according to the number of attacks you made this turn. ・3 or more attacks ‐ Draw a card. ・4 or more attacks ‐ Choose two of your opponent's rear-guards, and retire them. ・5 or more attacks ‐ Until end of that battle, this unit gets [Power] +10000, and when your opponent would call cards from their hand to (GC), they must call three or more at the same time.