Crack your Marsh Flats to shuffle away all the bad cards you've put back with Brainstorm and get a Swamp into play
Gleeful Demolition is a good card, but you probably don't want to blow up your own artifacts
And most importantly, it was the hardest card to pull from Base Set packs, creating a scarcity dynamic in 1999 that embedded the idea of "Charizard = treasure" into the minds of millions of children who are now adults with disposable income and a powerful nostalgia itch to scratch
Without the strong removal from this set, many of the other cards would be much weaker
Click a deck image to download it for yourself and try it out!
Yes, these sets are worth it as they contain various meta-relevant cards for competitive players, a large selection of rare and unique special art cards to collect, and several valuable chase cards to entice investors to buy the stock.