6 / 5

Ward (Whenever this creature becomes the target of a spell or ability an opponent controls, counter it unless that player pays .)
Daybound (If a player casts no spells during their own turn, it becomes night next turn.)

8 / 7

Ward (Whenever this creature becomes the target of a spell or ability an opponent controls, counter it unless that player pays .)
Nightbound (If a player casts at least two spells during their own turn, it becomes day next turn.)