Misty Seed

“Boosts the holder’s Sp. Def stat by 1 stage on Misty Terrain. Disappears for the duration of the battle after a single use.”

“An item to be held by a Pokémon. If the terrain becomes Misty Terrain, the holder will use this seed to boost its own Sp. Def stat.”

“An item to be held by a Pokémon. It boosts Sp. Def on Misty Terrain. It can only be used once.”