Gargos, Vicious Watcher

Gargos, Vigilante Pravo (Gargos, Vicious Watcher) (pt)

Legendary Creature - Hydra | Power/Toughness: 8 / 7 (CMC 6)
Vigilance
Hydra spells you cast cost less to cast.
Whenever a creature you control becomes the target of a spell, Gargos, Vicious Watcher fights up to one target creature you don't control.