AttackFeint Attack
This attack does 50 damage to 1 of your opponent's Pokémon. This attack's damage isn't affected by Weakness or Resistance, or by any effects on that Pokémon.

Umbreon is Pokédex #197, generation 2 (Johto). Umbreon is a Stage 1 Darkness Pokémon with 110 HP. The card says it evolves from Eevee. In this catalog that name is Eevee (#133).
Umbreon sits at 130/197 in Obsidian Flames, position 130 of 230. Before it is 129 Paldean Clodsire, and after it is 131 Houndour. The set belongs to the Scarlet & Violet series. It was released on August 11, 2023. The printed size is 197. This checklist is longer, at 230 cards. The listed rarity is Uncommon.
The attack Feint Attack lists no damage number. The cost is Darkness. This attack does 50 damage to 1 of your opponent's Pokémon. This attack's damage isn't affected by Weakness or Resistance, or by any effects on that Pokémon. Pitch-Black Blade is another attack lists 140 damage. The cost is Darkness, Colorless, Colorless. During your next turn, this Pokémon can't attack. Weakness is Grass ×2. Retreat cost is 1. The flavor text reads "When exposed to the moon's aura, the rings on its body glow faintly and it gains a mysterious power." The regulation mark is G.
Umbreon (#197) has 45 other cards in the catalog. Those other cards are in 26 sets. The other printings with a release date run from 2001 to 2026. The earliest other card is Umbreon 13/75 in Neo Discovery (2001). That card lists 80 HP, and this one lists 110 HP. The rarity there is Rare Holo, and here it is Uncommon. Kimiya Masago illustrated that card, and rika illustrated this one. 40 other cards of Umbreon list a different HP.
The illustrator line reads rika. I count 12 other cards in the catalog with that illustrator.
Obsidian Flames set binder is where a full Obsidian Flames set goes. This card fills one slot there. A generation binder holds one card of each species. Umbreon can fill a slot in Generation 2 binder (Johto). Themed lists that include this exact card are Eevee and the Eeveelutions. I still need this card.
This attack does 50 damage to 1 of your opponent's Pokémon. This attack's damage isn't affected by Weakness or Resistance, or by any effects on that Pokémon.
During your next turn, this Pokémon can't attack.
When exposed to the moon's aura, the rings on its body glow faintly and it gains a mysterious power.
Obsidian Flames, in the Scarlet & Violet series. It was released on August 11, 2023. The printed size is 197.
130/197. It is entry 130 of 230 in this checklist.
rika. The catalog lists 12 other cards with that illustrator.
Uncommon.
Umbreon #197, generation 2 (Johto).
G.
Feint Attack and Pitch-Black Blade (140).