The most important thing is to spend time learning how the game works and how to adapt to an opponents decisions on the fly, as these skills are invaluable for playing Pokemon TCG on a competitive level
First, the deck starts with discard outlets that also draw cards including blood tokens (Voldaren Epicure, Vampire's Kiss) and faithless looting to provide quick ways to enable madness
To name a few, theres Barrow Witches, Festive Funeral, Mystic Sanctuary, Cauldron Familiar, Cauldrons Gift, Order of Midnight, and Once and Future
Whetwheel This is a very, very subtle hidden image
First, familiarize yourself with the basics: Pokmon cards come in rarities like Common, Uncommon, Rare, and ultra-rares such as Illustration Rares or Hyper Rares