Rugar, Mad Engineer

Improvisational Genius - All spells you control have Improvise. (Each artifact you tap while casting that
spell pays for {1})
Arasaka Drone - When Rugar enters the battlefield, create a 3/3 artifact creature drone
with flying, Reconfigure {3} and "equipped
creature gets +2/+2 and flying".
"I said, what's in the janitor's closet?"