digimon full art cards Card Game Bandai Official Licensed Sleeves play deck perfect for both beginners and experienced players Digimon Card Game Jellymon Full

It means official pages should be your identity layer

And some PNG previews of Gemmon

Then price it on recent sold comps for that exact card and grade, not asking prices

BT16-061 U Digimon Lv.5 DoruGreymon Color Black Purple Cost 7 DP 7000 Digivolve Cost 1 BlackPurple 4 from Lv.4 Form Ultimate Attribute Data Type Beast Dragon/X Antibody/SoC Card Text 1 [Special Digivolution Condition] [Digivolve] Lv.4 w/[Dorugamon] in name or w/[SoC] trait: Cost 3 [Effect] Collision (During this Digimon's attack, all of your opponent's Digimon gain Blocker, and the opponent blocks if able.) [All Turns] When an attack target is switched, this Digimon with an [SoC] trait Tamer card in its digivolution cards may digivolve into a Digimon card with the [Beast Dragon], [Undead] or [SoC] trait in the hand without paying the cost