Ish Sah, den of the warlord Geth, commander of countless nim.

Duskmourn: House of Horror Commander

Vault of Whispers

"Koilos, the Thran prison-city, built to house their outcasts and dissidents. It was that Phyrexia's influence first festered."
—*Fall of the Thran*

Heretic cultures came to planet Sovereign in search of resources and precious artifacts. They found something else.

Heretic cultists came to the planet Sovereign in search of resources and precious artifacts. They found something else.

(Vault of Whispers isn't a spell.)
{T}: Add {B} to your mana pool.