yugioh zorc necrophades card by FrancisJeremyXavyer on DeviantArt Hope it's a foreshadowing :

Players start with some cards from their deck face-down to represent the life of their Leader, similar to the way Prizes work in Pokemon

As the end of the Pokmon Trading Card Game s Sword and Shield era nears, so too does the (possibly temporary) end of V and VMAX cards

Other murderous Legendary creatures are more subtle, seeking to pit enemies against each other and gleefully watch the carnage

Summoning Sickness is a mechanic that prevents a creature from using tap abilities or attacking the turn it enters the battlefield

Chart shows the price of Servine [Reverse Holo] #7 at the end of each month going back as long as we have tracked the item.

That should make it more worthwhile to obtain these promo cards, as opposed to releasing them when there isnt anything new