A-Splitting the Powerstone

Instant

A-Urza, Powerstone Prodigy

Legendary Creature — Human Artificer

Urza, Powerstone Prodigy

Legendary Creature — Human Artificer

Splitting the Powerstone

Sorcery

Geology Enthusiast

Creature — Human Artificer

Mind Stone

Artifact

Glimmerburst

Instant

Catalog

Instant

Careful Study

Sorcery

Tragic Lesson

Instant

Stone Retrieval Unit

Artifact Creature — Construct

Fallaji Excavation

Sorcery

Repair and Recharge

Sorcery

Thirst for Knowledge

Instant

Tainted Indulgence

Instant

Artificer's Epiphany

Instant

A-Hall of Tagsin

Land

Frantic Search

Instant

Pulse of the Grid

Instant

Circle of Power

Sorcery

Quick Study

Instant

Chart a Course

Sorcery

Brainstone

Artifact

Azorius Cluestone

Artifact

Karn, Living Legacy

Legendary Planeswalker — Karn

Hall of Tagsin

Land

Inspiration

Instant

Perilous Research

Instant

Counsel of the Soratami

Sorcery

Izzet Cluestone

Artifact

The Mightstone and Weakstone

Legendary Artifact — Powerstone