Slowking (BKP 21)
Ability
Royal Flash
Once during your turn (before your attack), you may flip a coin. If heads, move an Energy from your opponent's Active Pokémon to 1 of his or her Benched Pokémon.
Psych Up
40
During your next turn, this Pokémon's Psych Up attack does 40 more damage (before applying Weakness and Resistance).
weakness: x2
resistance: none
retreat cost: 2