@mtgmedina The real question people are looking at you to address is the potential value of these grey on black SDCC exclusive cards
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@TristanGregson@mtgmedina No way I compare these to Duels promos -- this is a one-time event. They're probably all as rare as Book Jace imo
@misterorange @TristanGregson @mtgmedina not a "one time" promo ... Wizards is ramping up the promo game across the board.