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.

Legalities

standardpioneermodernlegacyvintagepaupercommanderbrawl

Rulings (3)

2020-11-10 If you don't have a commander, Arcane Signet'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, Arcane Signet's ability produces no mana. It doesn't produce .