Card name

Arcane Signet

Mana cost

{2}

Mana value

2

Type

Artifact

Rarity

uncommon

Set

Tarkir: Dragonstorm Commander (TDC)

Collector number

105

Artist

Racrufi

Official rulings

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.