what year did first edition pokemon cards come out 10 Most Valuable Pokemon TCG Base Set Checklist:

Equip 2 Market price daily estimate Fractal Harness appears in 154 decks and 2 collections

Additionally, if your deck has a high density of spells, utility rocks like Mind Stone provide a fail-safe by allowing you to sacrifice them for a card in the late game when your mana is already settled

They exist so that people can buy them instead of real cards

That means it was only available in the Camp Comrades scene box (in foil) or the Chocobo Bundle (non-foil), which obviously means there aren't many copies available

Against this opponent, it could be the case that a simple spot-removal spell like Murderous Cut is better than End Hostilities