Raven

Agile Scout - Due to the illusive nature of this scout
'mech, subtract -2 from any roll against it

Beep, beep - Raven is able to launch a NARC
missile. If the attack hits, add +4 to every roll
against the afflicted target

"You're telling me that an entire binary of our best warriors can't find a single sphereoid 'Mech?"
-Clan Ghost Bear Star Colonel moments before
finding it the hard way