2XM: Basalt Monolith, Artifact 3 Basalt Monolith doesn't untap during your untap step. {T}: Add {CCC}. {3}: Untap Basalt Monolith.

Basalt Monolith

Basalt Monolith doesn't untap during your untap step.

T: Add CCC.

3: Untap Basalt Monolith.