The Maid, Blind Bystander

Vow of Poverty - If a source deals damage to
you, gain life equal to half that much rounded
up.
Vow of Obedience - If a creature died this turn
The Maid, Blind Bystander gains haste and Menace.
Vow of Chastity - If you lost life this turn, The Maid, Blind Bystander gains +2/+2 and lifelink.