Doctor Who (WHO) #239, common
Illustrated by L J Koh
Tournament legal version
Comments on this version (0)Doctor Who (WHO) #239, common
Illustrated by L J Koh
Tournament legal version
Comments on this version (0)2020-11-10 If you don't have a commander, Arcane Signet's ability produces no mana.
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 {C}.
2020-11-10 If you have two commanders, the ability adds one mana of any color in their combined color identities.