Weavile 40/132 (Secret Wonders)

Poké-POWER — Dark Engage Once during your turn (before your attack), you may use this power. Each of your Active Pokémon's type is Darkness until the end of your turn. If that Pokémon is no longer your Active Pokémon, this effect ends.

NM - $1.50
LP - $1.50
MP - $1.50
HP - $1.50
DMG - $1.50