1 Kindred Boon
However, other cards in the set have a much lower ratio for UED
Power-matters, charge counters I think the best place is probably infect decks that have recursive threats, like Brimaz, Blight of Oreskos

Noteworthy cards from the expansion include: 17 Pokmon V Five Pokmon VMAX Eight Pokmon VSTAR including Zacian VSTAR and Zamazenta VSTAR Three Radiant Pokmon featuring Shiny Charizard, Shiny Charjabug and Shiny Eternatus Cards from Crown Zenith will be available in the following products: Crown Zenith Elite Trainer Box (available January 20, 2023): Includes 10 Crown Zenith booster packs, one special art card featuring Lucario VSTAR and various gameplay accessories Crown Zenith CollectionRegieleki V or Regidrago V (available January 20, 2023): Includes four Crown Zenith booster packs, one promo card and oversize card featuring Regieleki V or Regidrago V and one non-V foil promo card Crown Zenith Mini Tins (available February 17, 2023): Includes two Crown Zenith booster packs and one sticker sheet Crown Zenith Special CollectionPikachu VMAX (available February 17, 2023): Includes five Crown Zenith booster packs, one etched promo card and one oversize promo card featuring Pikachu VMAX and one foil promo card featuring Pikachu V Crown Zenith Tins (available March 17, 2023): Includes five Crown Zenith booster packs and one full art promo card featuring Galarian Articuno, Galarian Zapdos or Galarian Moltres Crown Zenith Pin CollectionRillaboom, Cinderace or Inteleon (available April 14, 2023): Includes three Crown Zenith booster packs

In addition, we'll try and be more proactive in discussing why certain areas may not see the rate of improvement some players want
You wont find every issue immediately, especially considering most decks only see a portion of the ninety-nine in any given game