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RULINGS
2011-09-22
The color identity of your commander is set before the game begins and doesn’t change during the game, even your commander is in a hidden zone (like the hand or library) or an effect changes your commander’s color.
2011-09-22
If your commander is a card like Kozilek, Butcher of Truth that has no colors in its color identity, Command Tower’s ability produces no mana.
2011-09-22
In formats other than Commander, Command Tower’s ability produces no mana.
2019-10-04
The color identity of your commander is set before the game begins and doesn’t change during the game, even if your commander is in a hidden zone (like the hand or library) or an effect changes your commander’s color.
2019-10-04
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 .
2019-10-04
If you don’t have a commander, Command Tower’s ability produces no mana.
2020-11-10
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 .
2020-11-10
If you don’t have a commander, Command Tower’s ability produces no mana.
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 .
2020-11-10
If you don't have a commander, Command Tower's ability produces no mana.
2020-11-10
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 .
2020-11-10
If you don't have a commander, Command Tower's ability produces no mana.