Urza's Command

Instant

Urza, Lord High Artificer

Legendary Creature — Human Artificer

Very Cryptic Command

Instant

Urza, Planeswalker

Legendary Planeswalker — Urza

A-Urza, Powerstone Prodigy

Legendary Creature — Human Artificer

Kayla's Command

Sorcery

Urza, Prince of Kroog

Legendary Creature — Human Artificer

Kozilek's Command

Kindred Instant — Eldrazi

Very Cryptic Command

Instant

Urza, Chief Artificer

Legendary Creature — Human Artificer

Urza, Powerstone Prodigy

Legendary Creature — Human Artificer

A-Splitting the Powerstone

Instant

Fated Infatuation

Instant

Cryptic Command

Instant

Sudden Storm

Instant

Will of the Temur

Sorcery

Urza's Rebuff

Instant

Ashling's Command

Kindred Instant — Elemental

Very Cryptic Command

Instant

Hylda of the Icy Crown

Legendary Creature — Human Warlock

Geology Enthusiast

Creature — Human Artificer

Stern Lesson

Instant

Splitting the Powerstone

Sorcery

Prismari Command

Instant

Bane's Contingency

Instant

Eldrazi Confluence

Instant

Very Cryptic Command

Instant

More of That Strange Oil...

Instant

Urza's Saga

Enchantment Land — Urza's Saga

Adverse Conditions

Instant

Arcane Artisan

Creature — Human Wizard