Shuri's Fabricator (MSC-114) [Commander: Marvel Super Heroes]

When this artifact enters, create two tapped Vibranium tokens. (They're artifacts with indestructible and "T: Add C. This mana can't be spent to cast a nonartifact spell.")

6, T: Return target artifact card from your graveyard to the battlefield with a finality counter on it. Activate only as a sorcery. (If a permanent with a finality counter on it would be put into a graveyard, exile it instead.)