Fossil set of Base series

Arbok
Stage 1
HP60
Evolves From: Ekans
Pokédex No.24
Terror Strike
Flip a coin. If heads and if your opponent has any Benched Pokémon, he or she chooses 1 of them and switches it with the Defending Pokémon. (Do the damage before switching the Pokémon.)
Poison Fang
The Defending Pokémon is now Poisoned.