Pokémon ex rule: When your Pokémon ex is Knocked Out, your opponent takes 2 Prize cards.
Evolutionary Thunder
Once during your turn, when you play Jolteon ex from your hand to evolve 1 of your Pokémon, you may put 1 damage counter on each of your opponent's Pokémon.
Second Bite
Damage: 20
- 220
(20+) Does 20 damage plus 10 more damage for each damage counter on the Defending Pokémon.