Mox Opal [Double Masters] Southern Islands you can select and activate

you can select and activate 1 of the following effects: •Remove 1 monster on the field from play

Set: Dominaria Promos Type: Land Rarity: Rare {T}: Add {C}

"The Shaman waved the staff

Set: Black & White: Dark Explorers Type: Grass Rarity: Promo Retreat cost: Colorless

Set: Neo Discovery Unlimited Type: Fire Rarity: Rare Retreat cost: Colorless

Mox Opal [Double Masters] Southern Islands you can select and activateSet: 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.