Harbinger of Thralls, Unit, designed by 1 first released in May, 2022 in the set Worldwalker.
|Name||Harbinger of Thralls|
|Description||Play: Summon a Frozen Thrall or advance all your Frozen Thralls 1 round.|
|Flavor||The strange, whistling cry of the creature overhead was barely audible, but as it rung off the ravine's stone walls, the scouts felt it vibrate along their bones. Before their very eyes, cracks rapidly formed along the surface of the ice, disproportionate and quick.|