They all give you access to more, and hopefully better resources
For Pokmon TCG , specifically, there are 198 cards in the Scarlet and Violet series base set a significant portion of which are unique Pokmon cards (1,000+ including expansion cards)
Universes Beyond: Fallout is all set to continue that success, and Wizards have revealed a number of the most powerful cards that will be appearing in the set
Monsters which can create a Synchro Summon with a single card (practically)
28, 2024 My opponent doesn't have any Digimon with digivolution cards in play, meaning this card's [When Digivolving] effect can't trash the bottom digivolution card of 1 of my opponent's Digimon
Here's a short list of potentially playable cards that allow you to discard aftermath cards for value: As you can see, while red, black, and blue have the most discard outlets, in theory, you can make a discard theme work in just about any color thanks to colorless options like Key to the City and Geier Reach Sanitarium