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Vault of Whispers (Retro) [The Brothers' War Commander]
| Set: | The Brothers' War Commander |
| Type: | Artifact Land |
| Rarity: | Common |
| Colors: | B |
{T}: Add {B}.
"Koilos, the Thran prison-city, built to house their outcasts and dissidents. It was that Phyrexia's influence first festered."
—*Fall of the Thran*