Opal Palace [Commander 2013]

Set: Commander 2013 Type: Land Rarity: Common {T}: Add {C}.{1}, {T}: Add one mana of any color in your commander's color identity. If you spend this mana to cast your commander, it enters the battlefield with a number of additional +1/+1 counters on it equal to the number of times it's been cast from the command zone this game.