Brock’s Sandslash might not look like much, but when equipped with Brock’s Protection, it can be a pain for your opponent to deal with. Clefable serves as a perfect partner to deal with Sneasel, while Dodrio’s Retreat Aid allows you to easily retreat Clefable when facing Baby Pokémon.
Errata: Metronome must still do anything required to use the attack, such as discarding Energy cards.