A well-preserved version of this card graded (e.g., in PSA 10 Gem Mint conditio) by a professional grading company can fetch tens of thousands, or even hundreds of thousands of dollars
Sources Pokemon.com Get Ready for Pokemon TCG: 30th Celebration Pokemon.com 30th Celebration Product Showcase The Pokemon Company press site the 30th Celebration media alert PokeBeach 30th Celebration set revealed worldwide PokeBeach additional product preorders live on Pokemon Center Wargamer the reveal, reprints, and the Futuristic rarity
BT3-090 SR Digimon Lv.6 Mastemon Color Purple Cost 12 DP 12000 Digivolve Cost 1 PurpleYellow 4 from Lv.5 Form Mega Attribute Vaccine Type Angel Card Text 1 [Effect] [When Digivolving] Trash 1 card from the top of both players' security stacks
If your opponent's Active Pokmon already has any damage counters on it, this attack does 70 more damage
Otherwise, it's another Winterspell card that Collectors are bound to be all over, and chasing as for it as hard as they can