I believe that we can glean a hint of the answer in Mark Rosewater's latest State of Design article, from July this year
The Pokmon Company also released a full promo on its Instagram to get a glimpse of a few other cards to look forward to
Whether youre looking for a few one-shot pieces to help keep your momentum going, a constant engine to keep you stocked throughout the game, or a blast of cards to overwhelm opponents on the spot, youll find what you need in the most ambitious color
#1 Ultra Ball Set: Scarlet & Violet Base Set Printing: Reverse Holo Market Price: $5.70 Players run three or four copies of Ultra Ball in practically every Standard deck, so versions of the card that stand out visually (like this Reverse Holo printing) are always in high demand
Darkrai ex has a potent Nightmare Aura ability that deals 20 damage whenever Darkrai has a Darkness Energy attached to it from the player's Energy Zone
Kilowattrel is a Lightning-type that evolves from the similarly-named Wattrel