『マジック：ザ・ギャザリング | アバター 伝説の少年アン エターナル使用可能カード』のカード

《Arcane Signet》

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Artifact

: Add one mana of any color in your commander's color identity.

"You chose them from among thousands of toys, Aang. The toys you picked were the four Avatar relics. These items belonged to Avatars past. Your own past lives."
-Monk Tashi