Fangblade Brigand

1R: 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 1R: Fangblade Eviscerator gets +1/+0 and gains first strike until end of turn. 4R: 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.)

As long as the sun is up, you'll only lose your purse.