Your dealings with Bidding Platforms are solely between you and such Bidding Platforms
How this will manifest is to be seen, but I'm almost certain it won't be as simple as the good ol' days of swapping cards with your friends in the playground
Card Text 2 [Special Rule] Overflow (-4) (As this card moves from the battle area or under a card to another area, lose 4 memory.) [Inherited Effect] - EX6-030 SR Digimon Lv [Counter] Blast Digivolve (One of your Digimon may digivolve into this card without paying the cost.) Alliance [On Play] [When Digivolving] You may play 1 green or yellow level 4 or lower Digimon card from your hand without paying the cost
For example, if it's discard, countered, or destroyed, it's put into your graveyard, remaining in the game
The base set alone is 116 unique cards, numbered 001/114 through the secret rares
Paying one mana to bypass an entire casting cost is why reanimation remains one of the most feared strategies in the game