Umbreon (Obsidian Flames Stamped) 130/197 - Reverse Holofoil Miscellaneous Cards & Products - Promo Brand_Pokemon it can make a second

it can make a second attack during each Battle Phase this turn

but if it does so using this effect

Colorless Moon Guidance Search your deck for a Trainer card (excluding Supporter cards)

Colorless Cross Chop (60+) Flip a coin

except by drawing it: You can Special Summon this card as a Tuner

Umbreon (Obsidian Flames Stamped) 130/197 - Reverse Holofoil Miscellaneous Cards & Products - Promo Brand_Pokemon it can make a secondRarityPromo Hit Points110 HP Darkness Feint Attack This attack does 50 damage to 1 of your opponent's Pokmon. This attack's damage isn't affected by Weakness or Resistance, or by any effects on that Pokmon. Colorless,Colorless,Darkness Pitch Black Blade (140) During your next turn, this Pokmon can't attack. Weakness Grass 2