Set: Return to Ravnica
Rarity: U
#: 225
Creature Type or Sub Type: Artifact
Rules Text Contains: T: Add W or U to your mana pool.
WU: Azorius Keyrune becomes a 2/2 blue and white Bird artifact creature with flying until end of turn.
Flavor: "The higher the mind soars, the greater its understanding of the law."
—Isperia
Rarity: U
#: 225
Creature Type or Sub Type: Artifact
Rules Text Contains: T: Add W or U to your mana pool.
WU: Azorius Keyrune becomes a 2/2 blue and white Bird artifact creature with flying until end of turn.
Flavor: "The higher the mind soars, the greater its understanding of the law."
—Isperia