Cheryl, Innocent Vessel

Souls to the call, lifelink. Cheryl, Innocent Vessel enters tapped with three stun counters on it. While controller is in the Fogworld, Cheryl, Innocent Vessel loses all counters and phases out. When controller leaves the Fogworld, Cheryl, Innocent Vessel phases in.

Split soul—Whenever Alessa, Tortured Medium attacks, you may tap this card. If you do, exile this card, lose three life, and transform Alessa, Tortured Medium.

(Cheryl, Innocent Vessel transforms into Saint Alessa, Incubator.)