Notes and Rules Information for Command Tower:
  • If you have two commanders, the ability adds one mana of any color in their combined color identities. (2020-11-10)
  • If your commander is a card that has no colors in its color identity, Command Tower’s ability produces no mana. It doesn’t produce {C}. (2020-11-10)
  • If you don’t have a commander, Command Tower’s ability produces no mana. (2020-11-10)