Lucky 13, "Unstoppable" Urbie

Defender, Indestructible
When Lucky 13 blocks a creature, deal 1 damage
to blocked creature's controller.
Overheat2 - Lucky 13 Loses Defender and gains
+2/+2 until end of turn. (Once per turn the creature
may deal damage equal to its Overheat value to it's controller to gain the effect)
Crew 1
"We ditched the jump jets, bulked up the armor, and
beefed up the guns. She takes a licking and keeps on ticking."