1999 mew pokemon card - Promo #8 Collecting *error* cards because they

Card Set(s) -KINGDOMS OF INTRIGUE- [OP04] CARD VIEW OP02-004 | SP CARD | CHARACTER Edward.Newgate Attribute Special Block icon 1 Type The Four Emperors/Whitebeard Pirates Effect [On Play] Up to 1 of your Leader gains +2000 power until the start of your next turn

Foil etched: $16 to $17 Retro Frame foil: $25 to $29 Extended art foil: $16 to $17 Regular: $10 to $11 Narset, Enlightened Exile Powering up Jeskai spell decks is Narset, Enlightened Exile

There are some very rare test prints and reportedly some legitimate fillers that are blank foil, but I would steer clear of them unless you have rock solid provenance

Update June 15, 9am CT : All MTG Lord of the Ring card prices were updated for June 15