| Set: |
Secret Lair Drop Series |
| Type: |
Artifact |
| Rarity: |
Rare |
| Cost: |
{2} |
Secret Lair x The Hobbit
T: Add one mana of any color in your commander's color identity.
Thráin I came to Erebor and became King under the Mountain. There he found the Arkenstone, Heart of the Mountain.
![Heart of the Mountain - Arcane Signet [Secret Lair Drop Series]](http://five6gaming.com/cdn/shop/files/711413_1024x1024.jpg?v=1787761631)
