Arcane Signet
Artifact
: Add one mana of any color in your commander's color identity.
It started as a mere drop of water. The Magic Mirror crystallized it into much more.
Dan Murayama Scott
The List (PLST)
• #OTC-252This card will be released on 2025-05-12, it is not legal in any format until its release date approaches.
Rulings
If your commander is a card that has no colors in its color identity, Arcane Signet's ability produces no mana. It doesn't produce {C}.
(wotc • 2020-11-10)
If you don't have a commander, Arcane Signet's ability produces no mana.
(wotc • 2020-11-10)
If you have two commanders, the ability adds one mana of any color in their combined color identities.
(wotc • 2020-11-10)
Rulings
If your commander is a card that has no colors in its color identity, Arcane Signet's ability produces no mana. It doesn't produce {C}.
(wotc • 2020-11-10)
If you don't have a commander, Arcane Signet's ability produces no mana.
(wotc • 2020-11-10)
If you have two commanders, the ability adds one mana of any color in their combined color identities.
(wotc • 2020-11-10)