Dragon set of EX series

Muk ex
Stage 1 - ex
HP100
Evolves From: Grimer
Pokédex No.89
When Pokémon-ex has been Knocked Out, your opponent takes 2 Prize cards.
Poké-BodyToxic Gas
As long as Muk ex is your Active Pokémon, ignore all Poké-Powers and Poké-Bodies other than Toxic Gas.
Poison Breath
The Defending Pokémon is now Poisoned.
Slimy Water
Does 40 damage plus 10 more damage for each Colorless Energy in the Defending Pokémon's Retreat Cost (after applying effects to the Retreat Cost).