Gadrak, the Crown-Scourge

Gadrak, the Crown-Scourge

Legendary Creature - Dragon | Power/Toughness: 5 / 4 (CMC 3)
Flying
Gadrak, the Crown-Scourge can't attack unless you control four or more artifacts.
At the beginning of your end step, create a Treasure token for each nontoken creature that died this turn. (It's an artifact with ", Sacrifice this artifact: Add one mana of any color.")