B1 Battle Droid Pilot

Artifact creatures with spaceflight you cast cost {1} less to cast and enter the battlefield with a
+1/+1 counter.
Repair 3: (when this creature dies, you may
put three repair counters on it, At the beginning
of your upkeep, remove a repair counter.
Whenever the last repair counter is removed you
may cast it from your graveyard until the end of
turn.)