pokemon horizons gem card list I opened 6 boxes of Gemstone Vol. 1 : r/pkmntcgcollections Four new Pokemon Horizons cards

In the product you will find: 1 promo card Team Rocket's Mewtwo ex

The best way to use this is to play it on your turn before you spend your gold, especially when your opponent has no champions in play

It isn't necessarily bad

In a format where mana rocks and artifact tokens seem to roam unfettered, stealing all of them from an opponent of your choice is demoralizing, to say the least

While it can provide consistent damage to opponents when sacrificing creatures, other cards like Mayhem Devil or Judith, the Scourge Diva may offer more versatile effects or additional benefits for a sacrifice strategy, making them potentially better options depending on the deck's overall strategy