Pokémon Trading Card Game - Haunter - Game Boy TCG 150
Stage 1 Pokémon - Evolves from Gastly
Whenever an attack does anything to Haunter, flip a coin. If heads, prevent all effects of that attack, including damage, done to Haunter. This power stops working while Haunter is Asleep, Confused, or Paralyzed.
The Defending Pokémon is now Asleep.