Boost Energy can be attached only to an Evolved Pokemon. Discard Boost Energy at the end of the turn it was attached. Boost Energy provides CCC Energy. The Pokemon Boost Energy is attached to can't retreat. If the Pokemon Boost Energy is attached to isn't an Evolved Pokemon, discard Boost Energy.
Near Mint - $0.85
Near Mint Reverse Holofoil - $3.10
Lightly Played - $0.80
Lightly Played Reverse Holofoil - $3.00
Moderately Played - $0.70
Moderately Played Reverse Holofoil - $2.60
Heavily Played - $0.65
Heavily Played Reverse Holofoil - $2.30
Damaged - $0.60
Damaged Reverse Holofoil - $2.20