Fangblade Brigand

: Fangblade Brigand gets +1/+0 and gains first strike until end of turn.

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

: Fangblade Eviscerator gets +1/+0 and gains first strike until end of turn.

: Creatures you control get +2/+0 until end of turn.

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