If More Pokémon had Signature Moves

Bombirdier: Boulder Drop

Power: 100 Accuracy: 90 Type: Rock

Description: The Pokémon drops boulders on the target. If this Pokémon is holding a Hard Stone, the move’s power is doubled, but the user’s accuracy lowers.

Haunter: Ectoplasm

Power: 70 Accuracy: 100 Type: Ghost

Description: The Pokémon hurls a poisonous liquid at the opposing team. This may also poison any target hit.

Tell me if these moves are good.