This is a Pokémon TCG Umbreon V (Alternate Full Art) card, number 189/203 from the 2021 Sword & Shield Evolving Skies expansion.  It is a Darkness-type Basic Pokémon V card with 200 HP.  Its first attack, "Mean Look," deals 30 damage and prevents the Defending Pokémon from retreating during your opponent's next turn.  Its second attack, "Moonlight Blade," deals 80+ damage, doing 80 more damage if Umbreon V has any damage counters on it.  The card is highly sought after by collectors for its unique alternate art design.  average price for ungraded versions is $300 while graded cards go for an upwards of $500+