HGSS Black Star Promos set of HeartGold & SoulSilver series

Wobbuffet
Basic
HP90
Evolves From:
Pokédex No.202
Poké-BodyTenacious Bind
As long as Wobbuffet is your Active Pokémon, your opponent's Active Pokémon's Retreat Cost is ColorlessColorless more.
Trip Over
Flip a coin. If heads, this attack does 20 damage plus 30 more damage.