Mox Opal [Modern Masters 2015] Urza's Saga Set: War of the Spark

Set: War of the Spark Prerelease Promos Type: Legendary Planeswalker — Liliana Rarity: Mythic Cost: {4}{B}{B} Whenever a creature you control dies

Set: Unlimited Edition Type: Creature — Bird Rarity: Rare Cost: {3}{R} Flying

Set: Legends Type: Artifact Rarity: Rare Cost: {3}

We must find a way to repurpose it

and his citadels lie empty

Mox Opal [Modern Masters 2015] Urza's Saga Set: War of the SparkSet: Modern Masters 2015 Type: Legendary Artifact Rarity: Mythic Cost: {0} Metalcraft {T}: Add one mana of any color to your mana pool. Activate this ability only if you control three or more artifacts. The suns of Mirrodin have shone upon perfection only once.