Toxicroak (11/99) [Platinum: Arceus]

[F] Corner (20) The Defending Pokemon can't retreat during your opponent's next turn.

[2] Convert Blow (30+) If Toxicroak has any P Energy attached to it, the Defending Pokemon is now Poisoned. If Toxicroak has any F Energy attached to it, this attack does 30 damage plus 30 more damage.