Droideka Scourge

First strike
Whenever a creature dealt combat damage by
Droideka Scourge this turn dies, Droideka
Scourge deals that much damage to target
attacking or blocking creature you don't control.
Mass produce {1}{w}{b} (Whenever you cast another
Artifact spell you may pay {1}{w}{b}.
If you do, create a token that’s a copy of Droideka
Scourge.)