What is Black Market worth?

Black Market from SM12a: TAG TEAM GX: Tag All Stars is currently valued at $2.50 for the Holofoil variant.

What set is Black Market from?

Black Market is card #167/173 from the Pokémon JP set SM12a: TAG TEAM GX: Tag All Stars, released October 4, 2019.

What type of card is Black Market?

Black Market is a Trainer - Stadium card in the Pokémon JP trading card game.

Black Market

SM12a: TAG TEAM GX: Tag All Stars#167/173Prism Rare

Trainer - Stadium

When a Darkness Pokémon (yours or your opponent's) that has any Darkness Energy attached to it is Knocked Out by damage from an opponent's attack, that player takes 1 fewer Prize card. Whenever any player plays an Item or Supporter card from their hand, prevent all effects of that card done to this Stadium card.