Moon Ball

Used by trainer in battle : Attempts to catch a wild Pokémon. If used in a trainer battle, nothing happens and the ball is lost. If the wild Pokémon is a clefairy, nidoran m, nidoran f, jigglypuff, skitty, or any evolution thereof, the wild Pokémon has 4× its catch rate.

“A Poké Ball for catching Pokémon that evolve using the Moon Stone.”