Cursed Ghoul

Cursed Ghoul
UnitGhoulCost: 4ATK: 4 HP: 5
Arrives: Put a -1/-1 rune on a unit.
Unstoppable by units with -1/-1 runes. (Can ignore those patrollers when attacking.)
BlackDisease Tech II

Unstoppable Rulings
Having a detector (or a Tower add-on) doesn't help against the unstoppable keywords. Even then, unstoppable attackers can ignore patrollers. — Sirlin