Swamp Art Card [Avatar: The Last Airbender Art Series] Homarid Warrior This mana can't be spent

This mana can't be spent to pay generic mana costs

Set: March of the Machine Commander Type: Artifact — Vehicle Rarity: Rare Cost: {4}{U} Deluxe Dragster can't be blocked except by Vehicles

Set: Eldritch Moon Type: Instant Rarity: Rare Cost: {2}{U}{U} Exile all other spells and counter all abilities

prevent that damage and put that many +1/+1 counters on him

Set: Secret Lair Drop Series Type: Land Rarity: Rare {T}: Add one mana of any color that a land an opponent controls could produce

Swamp Art Card [Avatar: The Last Airbender Art Series] Homarid Warrior This mana can't be spentSet: Avatar: The Last Airbender Art Series Rarity: Common