Use her to gain a serious advantage over your opponent by bouncing and playing powerful cards with strong effects

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Rather than try to win the game as quickly as possible, a control deck will want to slow down the pace of the game while it accumulates incremental advantages each turn
This is the only copy in existence to achieve a BGS 10 "Pristine" grade (POP 1), making it a flawless relic
Its static ability of shutting down additional draws single-handedly stopped many infinite combos and generic abilities from functioning
As far as I can tell, there's no difference in rewards between the two, it's just a tacit acknowledgement that you're up against opponents who'll probably know their stuff, or not