Mox Opal

Metalcraft — T: Add one mana of any color. Activate this ability only if you control three or more artifacts.

Name	Type	Subtype	Color	Rarity	Set	Price
Mox Opal	Artifact	-	Colorless	Mythic Rare	Double Masters	$77.25 ($0.01)
Mox Opal	Artifact	-	Colorless	Mythic Rare	Double Masters	$77.25 ($0.01)
Mox Opal	Artifact	-	Colorless	Special	Kaladesh Inventions
Mox Opal	Artifact	-	Colorless	Mythic Rare	Scars of Mirrodin	$78.34 ($0.35)

MTG Salvation