Cuirassed Guard

Ambush —{w}, Reveal Cuirassed Guard from
your hand: Target Knight gains vigilance until
end of turn. (Keep Cuirassed Guard revealed as
long as it is in your hand. Activate this ability only
once as long as it isn't revealed.)
Vigilance
"We must hold our ground, no matter who crosses our
path." —Pledge of Cahador's armed guards