Cynthia
Trainer Supporters A2
+50 damage, but only for specific Pokémon.
Supporter: During this turn, attacks used by your Garchomp or Togekiss do +50 damage to your opponent's Active Pokémon.
Pull it from the Palkia pack (Space-Time Smackdown).
Decks that play Cynthia
None of the decks on the tier list run it right now.