Invoke Gods of Spirits, not the dead, but spirits.

Bonus Cantrip

At 1st level, you learn the Chill Touch cantrip.

Channel Divinity: Wake the Dead

At 2nd level, you can use channel divinity to raise a ghost. As an action, you can present your holy symbol and invoke your god's name. You select one dead creature within your sight, and you turn them into a skeleton that is friendly to you and your allies.

Improved Channel Divinity

At 6th level, you can summon one ghost instead.

Divine strike

At 8th level, you can infuse your strikes with divine energy. When you hit with a weapon attack you can choose to deal 1d8 extra necrotic damage. When you reach level 14, the damage increases to 2d8.

Spirit Vision

At 17th level, you can see invisible creatures and into the ethereal plane