When Bristling Hydra enters the battlefield, you get {E}{E}{E} (three energy counters). Pay {E}{E}{E}: Put a +1/+1 counter on Bristling Hydra. It gains hexproof until end of turn.
Near Mint Foil - $1.40
Lightly Played Foil - $1.30
Moderately Played Foil - $1.10
Heavily Played Foil - $0.90
Damaged Foil - $0.70
Near Mint Foil French - $1.40
Lightly Played Foil French - $1.30
Moderately Played Foil French - $1.10
Heavily Played Foil French - $0.90
Damaged Foil French - $0.70