Transefer soil

This spell Transfers your soli to a under servent. Choose a pile of bones or a corpse of a Medium or Small humanoid within range. Your spell imbues the target with your soil raising it as an undead creature. The target becomes a skeleton or mummy if you chose bones or a zombie or ghoul if you chose a corpse (the GM has the creature's game statistics).

your body becomes a under sevent 

At Higher Levels. When you cast this spell using a spell slot of 4th level or higher, you animate or reassert control over two additional undead creatures for each slot level above 3rd. Each of the creatures must come from a different corpse or pile of bones.