Flame of Promise, Aermo

:At the end of the battle this unit boosted, if your vanguard has a Kai icon, [put this unit into soul], and draw a card. (Soul):If your grade 3 or greater vanguard has a Kai icon, and your opponent's vanguard is grade 3 or greater, [bind this card], until end of turn, your vanguard's original becomes 18000.