This lets you have a variety of decks to match against different power expectations, or to supply decks for a standard 4 player Commander game
The Prismatic Evolutions Problem Despite collecting the Pokemon TCG on and off for my whole life, this was the first card show Id ever been to
Alongside cards like Explosive Vegetation or Harrow, which search for two basics directly, spells that can find arbitrary (nonbasic) lands are always a plus because you can find any utility land you need in specific scenarios while in the average case getting a fetch land
Shadow vs Shadowless vs Unlimited People search "shadow vs shadowless" because the word shadow is what tells the two cheaper versions apart
Illustrated by En Morikura, who is no stranger to illustrating the pretty Waifu cards
This Single Strike Pokmon uses both Darkness and Colorless Energy, the latter of which allows any other Energy card to count for it