Spire of Industry [Aether Revolt Prerelease Promos] Invasion and it has "{2}{U}{U}: Return

and it has "{2}{U}{U}: Return this creature to its owner's hand at the beginning of the next end step

your opponents can't cast spells or activate abilities of artifacts

Set: Urza's Saga Type: Sorcery Rarity: Rare Cost: {R} Search your library for a card

A grave is the safest place to store ill-gotten treasures

Spire of Industry [Aether Revolt Prerelease Promos] Invasion and it has "{2}{U}{U}: ReturnSet: Aether Revolt Prerelease Promos Type: Land Rarity: Rare {T}: Add {C}. {T}, Pay 1 life: Add one mana of any color. Activate only if you control an artifact. A beacon of prosperity to some, a shadow of oppression to others.