Sand Stream: Upon entering battle, the weather becomes sandstorm (For all Pokémon on the field, raise Rock-type's SP.DEF by 1.5x and lose 1/16th max HP each turn except Ground, Rock, and Steel-types).
Big Pecks: DEF can't be lowered by other Pokémon.
Hidden
Unnerve: Foes are unable to eat Berries.
Gale Wings: When at full HP, Flying-type moves have +1 priority.