I found out that the highest rarity so far are crown rarity cards, which are gold full-art cards
These include the rest of the starter Pokemon from previous generations: Chikortia, Cyndaquil, Totodile, Treecko, Torchic, Mudkip, Turtwig, Chimchar, Piplup, Snivy, Tepig, Oshawott, Chespin, Fennekin, Froakie, Rowlett, Litten, Popplio, Grookey, Sobble, and Scorbunny
Wizards of the Coast - Lot of 40+ Pokemon Japanese Holo-foil Cards (NEW - MINT) MISC_388022 $39.99 Product Details This is a lot of 40+ Japanese holo-foil Pokemon cards
Card Q&A Q2112 Mar
2018/08/09 10:14 2018/08/09 10:14 The venerable equipment that first appeared in the very first duel in the original work
You should simply play Vibrant Cityscape in every deck to fix its mana, but you just dont necessarily need to pick it up over any particularly good cards for your deck