Uvos, Infernal Stoker

Uvos, Engine Infernal has -4/-0 while tapped. Whenever Uvos, Infernal Stoker crews a vehicle that vehicle does one damage to target creature or player.
{2}{r}: Untap Uvos, Infernal Stoker
"It's not my fault steels melting point is so low."
-Uvos, Infernal Stoker