Full art Pokmon cards, meaning cards that feature artwork that covers the entire card instead of just a boxed off portion above the description, were first introduced to the TCG in the 2010 Black & White base set
It's definitely a foreboding standalone illustration, but the Dwarves are hardly visible in the art
They lose all of their mana rocks, engines, and finishers, then proceed to lose the game
Lunala #61Rare $0.47 Lunala #70Holo Rare $1.18 Lunala #102Holo Rare $1.69 Lunala #15Holo Rare $0.41 Lunala #17None $0.41 Lunala #39Rare $1.90 Lunala #48None Lunala #29Common $1.40 Lunala - 61/145 (Cracked Ice Holo) #61Holo Rare $0.94 Lunala - 61/145 (Water Web Holo) #61Holo Rare $5.16 Poliwhirl #31Uncommon $0.27 Crabominable #43Rare $0.13 Decidueye #11Rare $0.13 Corsola #36Uncommon $0.20 Paras #4Common $0.05 Rowlet #9Common $0.08 Torkoal #23Common $0.15 Primarina #41Rare $0.36 Poliwag #30Common $0.83 Caterpie #1Common $0.21
Prices are comparable to in-person or better, though you may have to pay shipping
To clarify, all the black creatures depicted in this cards art are non-human