There you find a D&D 5th edition conversion of a spell from AD&D 2nd edition.
Church of Bane in the Forgotten Realms setting uses it to create a Baneguard. You'll find its statblock in the next post.
During the years many other evil churches have known the secrets of this spell so you can easily use it in any campaign.
The spell is available in the Cleric Spells List.
5th level necromancy
Casting Time: 1 minute
Range: 10 feet
Components: V, S, M (20 drops of pure dragon blood which value at least 200 gp)
Duration: Until dispelled or destroyed
This spell creates an undead servant known as Baneguard.
Choose a corpse or a piles of bones of a Medium or Small humanoid you can see within range. It rises as a Baneguard and can start to take actions in the round after you have cast the spell.
The Baneguard understands your language and obeys orders up to 30 words you give to it if it can hear them.
The Baneguard fulfills the task you have given to until destroyed or you change it as a bonus action.
The Baneguard can take actions to fulfill its orders.
High level description:
When you cast this spell using a slot of 6th level or higher you create an additional Baneguard for each spell slot above 5th. You need a corpse or piles of bones for each Baneguard you create.