The worst decision you can make is not grading at all sitting on a mint-condition valuable card in a top loader is leaving money on the table
However, its been included in multiple officially released teaser videos so you can basically assume its included in the set
Graded Population Report: The Eighth Doctor [Serialized] #559 Visualize the distrbution of grades in the chart
Promo Info booster NEW HERO[BT-08] CLOSECLOSE BT8-081 U Digimon Lv.6 Rasenmon Fury Mode Color Purple Form Mega Attribute Data Type Mysterious Beast DP 13000 Cost 11 Digivolve Cost 1 3 from Lv.5 Digivolve Cost 2 3 from Lv.5 Upper Text [End of Attack] You may digivolve this Digimon into a [Rasenmon] in your hand, ignoring its digivolution requirements and without paying its digivolution cost.[End of Your Turn] Trash the top card of your security stack
Second, they don't allow trading between users, and the way to collect cards is via gacha mechanics - pulling cards from packs bought with premium currency which is awarded to the player for completing ingame achievements and missions, and is also available to be bought with real money
Maybe its for good reason that this art never made its way to any English set of the TCG
