This list is all about attrition. Negative play and a stalwart bulk of chainrasp will allow the opponent limited space, while the hardcore hammer of grimghasts will demolish selected targets with ease.
Put the chainguard down in the underworld and take first turn if possible. Then, drop the blobs of chainrasp in the middle and budge all the heroes up. Place the dreadblade general behind the chainrasp lines, and send the grimghast into the most dangerous target. Then, pull them back using Spectral Summons and re-heal any losses. Continue until a ghostly victory! (In theory :D)
This list struggles against alpha strike and teleportation armies (like stormcast), because of having to leave key units behind to give the 9″.