When Nylea's Huntmaster enters the battlefield, target creature you control gets +X/+0 until end of turn, where X is your devotion to green. (Each in the mana costs of permanents you control counts toward your devotion to green.)
Nature is stillness and savagery in equal measure.
Legalities
Legal
Brawl
Oathbreaker
Duel
Penny
Legacy
Modern
Pauper
Pioneer
Vintage
Historic
Commander
Gladiator
Historicbrawl
Paupercommander
Explorer
Timeless
Not Legal
Standardbrawl
Brawl
Future
Alchemy
Standard
Oldschool
Premodern
Penny
Predh
Timeless
Rulings
2020-01-24
Colorless and generic mana symbols (, , , , , and so on) in mana costs of permanents you control don’t count toward your devotion to any color.