A-Splitting the Powerstone

Instant

Powerstone Fracture

Sorcery

The Mightstone and Weakstone

Legendary Artifact — Powerstone

A-Urza, Powerstone Prodigy

Legendary Creature — Human Artificer

Stern Lesson

Instant

Powerstone Shard

Artifact

Terisiare's Devastation

Sorcery

Urza, Powerstone Prodigy

Legendary Creature — Human Artificer

Stone Retrieval Unit

Artifact Creature — Construct

Geology Enthusiast

Creature — Human Artificer

Fallaji Excavation

Sorcery

Great Desert Prospector

Creature — Human Artificer

Repair and Recharge

Sorcery

Slagstone Refinery

Artifact

Powerstone Engineer

Creature — Human Artificer

A-Hall of Tagsin

Land

Hall of Tagsin

Land

Karn, Living Legacy

Legendary Planeswalker — Karn

Pulverize

Sorcery

Excavation Explosion

Sorcery

Stonesplitter Bolt

Instant

Saheeli's Artistry

Sorcery

Horned Stoneseeker

Creature — Lizard

Implements of Sacrifice

Artifact

Costly Plunder

Instant

Junkyard Genius

Creature — Human Artificer

A-Karn, Living Legacy

Legendary Planeswalker — Karn

A-Excavation Explosion

Instant

Phyrexian Tribute

Sorcery

Esoteric Duplicator

Artifact — Clue

Blacker Lotus

Artifact