Ive found that if the verge lands initial color is your decks primary color, these cards are wonderful ways to establish the additional colors you need
They only appear at certain times, and some can sell for hundreds or thousands of dollars
Add rules like forcing a player to perform at least 1 attack each round so they have to interact with another player

Some facts to take note of with Pokemon inventory on eBay: Pokemon remains as one of the most popular trading card categories on eBay Pokemon cards were searched more than 3,000 times an hour on the marketplace in 2022 Top 5 most popular Pokemon cards sold on eBay from 2021 to 2022 were: Pikachu Charizard Eevee Mewtwo Mew Most expensive Pokemon cards sold on eBay to date include: 1998 Pokemon Japanese Promo Holo Illustrator Pikachu PSA 7 for $375,000 sold in February 2021 1998 Pokemon Japanese Promo Holo Kangaskhan #115 PSA 10 for $150,100 sold in October 2020 2000 Pokemon Neo Genesis 1st Edition Holo Lugia #9 BGS 10 for $144,300 sold in May 2021 There are a lot more cards waiting to be graded and posted on the marketplace but doesn't this make you wonder, if you would have told yourself to keep your old Pokemon cards then, you would probably be financially well-off by now

C Common SH Shatterfoil Seed of Flame X FIRE Level 3 [ PlantEffect ] ATK 1600 DEF 1200 When this card you control is destroyed by a card effect and sent to your Graveyard: You can target 1 Level 4 or lower Plant-Type monster in your Graveyard, except "Seed of Flame"
When this creature enters, you may put a land card from your hand onto the battlefield tapped