Old Gnawbone Old Gnawbone is one of MTG's best green dragons, simply because it's one of the few mono green creatures that interacts with treasure tokens
While this isnt the most passive way to sell Pokmon cards, it may be worth the work if youre selling valuable cards
Masquerain G - Daunting Eyes Flip a coin until you get tails
These enticing cards can go up in price if you give them enough time
But for non-English/Japanese exclusive artworks, apart from the Vivillon youve already mentioned, there are: Art Academy: German Mew French Kecleon Spanish Pikachu Korean exclusive Zeraora Korean/Thai/Indonesian exclusive Pikachu Also, here is a similar thread for just the cards, with non-English/non-Japanese exclusive holo variations and stamped cards, as well as some Jumbos: Non English/Non Japanese Exclusives
She also comes with an aggressively costed madness at one generic, one black, and one red mana, letting players have a 4/4 beater on the field very early