Just like Mega Mewtwo ex, the set that this card is in plays a role in its reputationbut even more so
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A lookup tool maps the card name, set, number, variant, and language to records from marketplaces, price guides, and graded-card databases
I suspect the ability forcing you to sacrifice lands would be seen as a drawback, meriting the mana cost reduction
Graded cards can sell for more at strong grades
The one which comes directly to mind is not putting Phyrexian Processor in my Trostani and her Angels deck
