Infestation Expert

Whenever Infestation Expert enters the battlefield or attacks, create a 1/1 green Insect creature token.

Daybound (If a player casts no spells during their own turn, it becomes night next turn.)

Whenever Infested Werewolf enters the battlefield or attacks, create two 1/1 green Insect creature tokens.

Nightbound (If a player casts at least two spells during their own turn, it becomes day next turn.)