Xin, the Fallen Princess

Sunlight - If Sunlight is in effect, Xin, the Fallen Princess gets +1/+1 and gains lifelink.
Moonlight - If Moonlight is in effect, Xin, the Fallen Princess gets +2/-2 and gains undying.
She lifted the blade and started to press it against her flesh. "Let me go or I'll kill myself," she said to her captor.