Vosco, the Fulcrum

At the beginning of your upkeep, create a
treasure token. (Treasure tokens are artifacts
with "Tap, Sacrifice this artifact: Add one mana
of any color.")
Whenever you sacrifice a treasure, create
two 1/1 red goblin creature tokens.

He was my favoured underling when he worked
under my boot. We'll see how he likes a more
literal knife in the back.
— Krenko, Mob Boss