BW Black Star Promos set of Black & White series

Zoroark
Stage 1
HP100
Evolves From: Zorua
Pokédex No.571
Punishment
If the Defending Pokémon is a Stage 2 Pokémon, this attack does 20 more damage.
Snarl
During your opponent's next turn, any damage done by attacks from the Defending Pokémon is reduced by 20 (before applying Weakness and Resistance).