Here’s a breakdown of the best selling cards in December and the sets they were pulled out of! 

Based from TCGplayer

 
GENGAR VMAX- FUSION STRIKE

UP 25%

$413 TO $515

CHARIZARD EX SIR- PALDEAN FATES

UP 15%

$137 TO $158

GIRATINA V- LOST ORIGIN

UP 3%

$395 TO $409

HYDREIGON EX SIR

UP 40%

$100 TO $140

EEVEE SIR – TWILIGHT MASQUERADE

UP 8%

$62 TO $67

CHARIZARD EX SIR – OBSIDIAN FLAMES

UP 41%

$61 TO $86

MEW EX SIR – PALDEAN FATES

UP 8%

$179 TO $193

BULBASAUR IR – STELLAR CROWN

UP 25%

$40 TO $50

CHARIZARD EX SIR – 151 ENGLISH

UP 11%

$179 TO $199

LUGIA V ALT. ART – SILVER TEMPEST

UP 9%

$206 TO $225