Aegisverm Dragon DZ-BT15/SR09 SR

[CONT]:If you have a grade 3 or greater vanguard with "Favrneel" in its card name, this card gets all of the following. ?[ACT](Soul):COST [Bind this card], choose a card with grade less than or equal to your vanguard from your drop, and call it to (RC). You cannot activate the [ACT] ability of cards with the same card name as this card until end of turn. ?[AUTO](RC):When this unit attacks, if the sum of the grades of ?Dark States? cards in your soul is thirteen or more, the original [Power] of your vanguard and this unit becomes 18000 until end of turn. Then, at the end of that battle, COST [put this unit into soul], choose one of your opponent's rear-guards, retire it, and Counter Charge (1).