Conjure Evocation

Over the course of an incense sticks worth of time, you evoke the forgotten and terrible powers of ancient divination magic to locate the presence of powerful necromancy spells, when you do you you summon the purest Abjuration to evoke the primordial powers that be to transmute this spell with a powerful enchantment that holds the very powers of life and death, to turn this spell into a different spell you can cast of 1st level or lower. This transformation is only an illusion and can be seen through with a successful wisdom insight check against your spell save DC. You can only cast Conjure Evocation with a first level spell slot. 

At higher levels: the description of this spell mentions something about thaumaturgy and gives no additional benefits. When cast with a spell slot of 2nd level or higher.