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.
イラスト：
Throne of Eldraine#331コモン英語適正
裁定
2020年11月10日
If you have two commanders, the ability adds one mana of any color in their combined color identities.
2020年11月10日
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 
.
2020年11月10日
If you don't have a commander, Arcane Signet's ability produces no mana.