Baltrice the Firebrand

+1: Create a 1/1 colorless Pyroclast artifact creature token with "Sacrifice this creature: It deals 1 damage to any target."
-3: Create five 1/1 colorless Pyroclast artifact creature tokens with "Sacrifice this creature: It deals 1 damage to any target."
-7: Baltrice deals X damage to any target, where is the number of artifacts you control.