Arlinn, the Pack's Hope

Daybound(If a player casts no spells during their own turn, it becomes night next turn.)+1: Until your next turn, you may cast creature spells as though they had flash, and each creature you control enters the battlefield with an additional +1/+1 counter on it.−3: Create two 2/2 green Wolf creature tokens.

Nightbound+2: Add.0: Until end of turn, Arlinn, the Moon's Fury becomes a 5/5 Werewolf creature with trample, indestructible, and haste.