Gadrak, the Crown-Scourge [Core Set 2021]

Set: Core Set 2021 Type: Legendary Creature — Dragon Rarity: Rare Cost: {2}{R} 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 "{T}, Sacrifice this artifact: Add one mana of any color.")