As for the card prices, you may be able to put some extra dollars/pounds onto the prices shown when selling them but they are not massively rare cards so I would personally advise not to sell them for too much
On top of that, she reanimates a permanent every time she attacks too
When it comes into play you get to draw cards, with the downside of losing life, equal to half the number of artifacts you control
Outside of this unusual typal shell, the deck is a classic black sacrifice list
Mega Darkrai ex SIR (116/084) Illustrated by Akira Egawa, the SIR depicts Mega Darkrai as an eldritch force wreathed in shadow and crackling energy, rendered in Egawa's signature atmospheric style
Scrying allows you to look at the top card(s) of your library and decide whether you want to keep them on top or place them at the bottom of your deck