Orpal Gloor

Orpal Gloor
HeroPlague LordCost: 2
Level 1-3: Deals damage to units and heroes in the form of -1/-1 runes. ATK: 1 HP: 3
Level 4-5: Sacrifice a non-Demon unit → Put a -1/-1 rune on a unit. ◎ Once-per-turn. ATK: 2 HP: 4
Level 6: The first time a unit with a -1/-1 rune dies each turn, the active player puts a -1/-1 rune on two units friendly to the dead unit. ◎ ATK: 2 HP: 5
BlackDisease Hero

Card-Specific Rulings
Even though this deals damage in the form of -1/-1 runes, it still counts as "dealing combat damage" and anything that checks if it died to combat damage, such as Brave Knight, see getting hit by this and immediately dying as "dying from combat damage." — Sirlin