John Henry, Steel Driver

Vigilance
When John Henry, Steel Driver enters the battlefield, create Steam Driller, a legendary
Artifact Construct creature token under target opponent's control. So long as there is a Steam
Driller token on the battlefield, John Henry, Steel Driver has Indestructible and Hexproof.
When John Henry, Steel Driver dies, destroy all artifacts target player controls, then exile all artifacts in their graveyard.