Life-stealing Demonic Spearman, Margaras DZ-BT15/026 RR

[AUTO](RC):When this unit attacks, if you have a grade 3 or greater vanguard with "Favrneel" in its card name, this unit gets [Power]+5000 until end of that battle. [AUTO](RC):At the end of the battle this unit attacked, if you have a vanguard with "Purgatory" in its card name, COST [put this unit into soul], and draw a card. [AUTO](Soul):When your grade 3 or greater vanguard with "Favrneel" in its card name is attacked, if the sum of the grades of ?Dark States? cards in your soul is thirteen or more, COST [bind this card], choose one of your opponent's rear-guards, and it gets [Power]-10000 until end that battle. You cannot bind cards with the same card name as this card until end of turn.