are 1st edition pokemon cards worth more Value of original I found from childhood : r/PokemonCardValue The 11 Most Expensive Pokémon

Whenever you cast a spell, if its mana value is equal to 1 plus the number of soul counters on Obscura Ascendancy, put a soul counter on Obscura Ascendancy, then create a 2/2 white Spirit creature token with flying

At just 1GW, Arahbo, Roar of the Worlds ability to give an attacking +X/+X, where X is its power, can quickly make your creatures a game-ending threat that are hard to stop without removal thanks to that lucky cat also getting trample

On the flip side, this method will likely require a lot more legwork compared to selling your bulk Pokmon cards online

Also remember that Colorless Pokemon can use any type of Energy

You generally need something like these cards to make that work

Illustrator: PLANETA CG Works Leafeon ex #82 Leafeon ex (2-Stars, Special Art Rare rarity) is the #82/96 card from the Triumphant Light set in Pokmon TCG Pocket