Arcane Signet
Artifact
: Add one mana of any color in your commander's color identity.
Something to love, honor, and cherish—and a reminder of someone who once did that for you.
Illustrated by
Fallout#224UncommonEnglishLegality
Rulings
Nov 10, 2020
If you have two commanders, the ability adds one mana of any color in their combined color identities.
Nov 10, 2020
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 
.
Nov 10, 2020
If you don't have a commander, Arcane Signet's ability produces no mana.