Put 4 damage counters on your opponent's Pokémon in any way you like. Then, switch Gengar with 1 of your Benched Pokémon.
It hides in shadows. It is said that if Gengar is hiding, it cools that area by nearly 10 degrees F.
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Put 4 damage counters on your opponent's Pokémon in any way you like. Then, switch Gengar with 1 of your Benched Pokémon.
Flip a coin. If heads, put damage counter on the Defending Pokémon until it is 10 HP away from being Knocked Out.