Mask of Intolerance [Apocalypse] XYZ/Effect Monster Set: Black & White: Plasma

Set: Black & White: Plasma Freeze Type: Fighting Rarity: Rare Retreat cost: Colorless

Set: Black & White: Base Set Type: Fighting Rarity: Promo Retreat cost: Colorless

Set: Commander Anthology Volume II Type: Land Rarity: Uncommon Sandsteppe Citadel enters the battlefield tapped

{1}{G}: Regenerate Carnassid

Then it became a race to exploit the knowledge first

Mask of Intolerance [Apocalypse] XYZ/Effect Monster Set: Black & White: PlasmaSet: Apocalypse Type: Artifact Rarity: Rare Cost: {2} At the beginning of each player's upkeep, if there are four or more basic land types among lands that player controls, Mask of Intolerance deals 3 damage to that player.