Nasreth, the Soul Harrower (DTD193) - Dusk till Dawn

(Allies can be attacked and can't be defended by the controlling hero. They die when they have 0 LIFE. At end of turn, allies life totals are reset.)
Once per Turn Action -- 0: Attack
When Nasreth hits a hero, banish a card from their soul. If a Light card is banished this way, gain 1LIFE.