Walking Ballista [Double Masters] 031 instead add one mana of

instead add one mana of any color

Set: Tenth Edition Type: Legendary Creature — Cat Warrior Rarity: Rare Cost: {1}{G}{G} First strike

Set: EX: Team Magma vs Team Aqua Type: Lightning Rarity: Common Retreat cost: Colorless

Set: World Championships 2009 Type: Psychic Rarity: Rare

Set: The List Type: Enchantment Rarity: Rare Cost: {3}{W} If an effect would create one or more tokens under your control

Walking Ballista [Double Masters] 031 instead add one mana ofSet: Double Masters Type: Artifact Creature Construct Rarity: Rare Cost: {X}{X} Walking Ballista enters the battlefield with X +1 +1 counters on it. {4}: Put a +1 +1 counter on Walking Ballista. Remove a +1 +1 counter from Walking Ballista: It deals 1 damage to any target.