Argothian Opportunist

Creature — Human Scout

Great Desert Prospector

Creature — Human Artificer

Horned Stoneseeker

Creature — Lizard

Geology Enthusiast

Creature — Human Artificer

Powerstone Engineer

Creature — Human Artificer

Repair and Recharge

Sorcery

Worn Powerstone

Artifact

A-Hall of Tagsin

Land

Hall of Tagsin

Land

Slagstone Refinery

Artifact

Junkyard Genius

Creature — Human Artificer

Salvaged Manaworker

Artifact Creature — Construct

Fallaji Excavation

Sorcery

Manakin

Artifact Creature — Construct

A-Excavation Explosion

Instant

Koilos Roc

Creature — Bird

A-Urza, Powerstone Prodigy

Legendary Creature — Human Artificer

Automated Artificer

Artifact Creature — Artificer

Powerstone Shard

Artifact

Splitting the Powerstone

Sorcery

Excavation Explosion

Sorcery

Stone Golem

Artifact Creature — Golem

The Mightstone and Weakstone

Legendary Artifact — Powerstone

A-Splitting the Powerstone

Instant

Arbalest Engineers

Creature — Human Artificer

A-Geology Enthusiast

Creature — Human Artificer

Karn, Living Legacy

Legendary Planeswalker — Karn

Urza, Powerstone Prodigy

Legendary Creature — Human Artificer

Stern Lesson

Instant

Hewed Stone Retainers

Artifact Creature — Golem

Hedron Crawler

Artifact Creature — Construct