Kessig Naturalist

Whenever Kessig Naturalist attacks, add R or G. Until end of turn, you don't lose this mana as steps and phases end. Daybound (If a player casts no spells during their own turn, it becomes night next turn.)

Other Wolves and Werewolves you control get +1/+1. Whenever Lord of the Ulvenwald attacks, add R or G. Until end of turn, you don't lose this mana as steps and phases end. Nightbound (If a player casts at least two spells during their own turn, it becomes day next turn.)