Mox Opal [Double Masters] BW38 Set: Urza's Legacy Type: Artifact

Set: Urza's Legacy Type: Artifact Rarity: Rare Cost: {5} {T}

each other non-Aura enchantment you control is a creature in addition to its other types and has base power and base toughness each equal to its mana value

"The bird of wonder dies

Its tines cannot be rung by mere physical force

Set: HeartGold & SoulSilver: Undaunted Type: Lightning Rarity: Ultra Rare Retreat cost: Colorless

Mox Opal [Double Masters] BW38 Set: Urza's Legacy Type: ArtifactSet: Double Masters Type: Legendary Artifact Rarity: Mythic Cost: {0} Metalcraft {T}: Add one mana of any color. Activate only if you control three or more artifacts. The suns of Mirrodin have shone upon perfection only once.