Lunala GX - SM103 - Promo from Sun & Moon Promos, available at 401 Games Canada.

• Rarity: Promo
• Finish: Holofoil
• Artist: PLANETA
• Card Text:
  Pokémon-GX rule — When your Pokémon-GX is Knocked Out, your opponent takes 2 Prize cards.
  [2] Glide (50)
  [2PP] Lunar Javelin (200)
  Discard 2 Psychic Energy from this Pokémon.
  [1PPP] Requiem GX (250)
  (You can't use more than 1 GX attack in a game.)