Zoyowa Lava-Tongue Marcy: You're going to play this card with Braids and you're going to make people hate you and it'll be really funny
Jellicent ex Special Illustration Rare, 168/086 The list of any most valuable Pokmon cards list is always full of cards showing Pokmon just being themselves, out in the wild, away from being stored in Pokballs and engaging in battles
Gengar ex also has 170 hp which makes it quite capable of tanking a couple of hits, and Spooky Shot deals a solid 100 damage per turn, but requires quite a bit of setup with needing Gastly and Haunter as pre-evolutions, and three Energy attached to get Spooky Shot running
When it comes to valuable Pokmon cards, a lot goes into determining what makes one card worth a fortune while another might not even cover your lunch
Bloodthirsty Adversary can be one of your strongest pickups if youre happy to up your spell count to adjust for it and why not abuse Vampires Vengeance while were here
Fixing the mana issues in this deck should be your first priority
