From Astral Slide and Lightning Rift dominating formats nearly 20 years ago to New Perspectives showing up on the Pro Tour stage after Amonkhet was released, the track record for cycling payoffs is surprisingly solid
In the first year of the game Fellowship members (and Arwen) were the strongest companions in the game, while various "random nameless extra" Elves and Dwarves had significantly lower stats and were used for Heroic Sacrifice rather than combat
The motivation was for people to enjoy, learn, and master, the trading card game, digitally, even if you have not played the Pokemon TCG
Check any card value with real-time prices from TCGPlayer
Over time you will get an eye for what a gem mint card looks like
For each one, you may trash any 1 card under your opponent's Digimon or Tamers