13 Kokusho, The Evening Star Kokusho, the Evening Star is a legendary mono-black dragon that debuted in Champions of Kamigawa
The best cards for this are Encroaching Mycosynth or the powerful Biotransference
Ironically, the new set is focused heavily on Pokmon villains Team Rocket, perhaps a perfect match for the villainous scalpers, who buy sought-after items at RRP and resell them at higher prices
You'll be able to play with these first at the Ikoria: Lair of Behemoths Prerelease, so talk to your store and see if you can reserve a deck
A safe rule of thumb for most decks is to keep your uninkable count between 8 and 12 cards (roughly 15-20% of your deck)
The catch is that it's invite-by-request, though that does mean you're paying normal price rather than an inflated one