Banner of the Hidden Dead

(Rule)
Description: One use only At the beginning of the game, nominate one unit within your army that is to be hidden beneath the ground. This unit must be a Core Unit choice, and cannot cost more than 100 points. This unit is not deployed at the beginning of the game. The banner may be used to unearth the unit during the remaining moves part of any Tomb Kings Movement phase. The entire unit must be placed within 18" of the Banner and at least "1 away from any enemy models. It may move normally on the turn it appears.