Name:Command Tower
ManaCost:no cost
Types:Land
A:AB$ Mana | Cost$ T | Produced$ Combo ColorIdentity | SpellDescription$ Add to your mana pool one mana of any color in your commander's color identity.
SVar:Picture:http://www.wizards.com/global/images/magic/general/command_tower.jpg
Oracle:{T}: Add to your mana pool one mana of any color in your commander's color identity.