Slaking (UNM 170)
Ability
Counterattack
If this Pokémon is your Active Pokémon and is damaged by an opponent's attack (even if this Pokémon is Knocked Out), put 2 damage counters on the Attacking Pokémon.
Dynamic Swing
100+
You may do 100 more damage. If you do, during your opponent's next turn, this Pokémon takes 100 more damage from attacks (after applying Weakness and Resistance).
weakness: x2
resistance: none
retreat cost: 4