Xaru, Leyline Provocateur

0: Sacrifice an artifact; Put X loyalty counters on Xaru, where X is equal to the sacrificed artifacts converted mana cost.
0: Create a colorless artifact token named Etherium Cell with “{T}, Sacrifice this artifact: Add one mana of any color.”
-3: Destroy target nonland permanent with converted mana cost X or less, where X is the number of artifacts you control.