Aprentice Essence Drainer

Drain Lust 1: {b}(You can cast this spell by it's Drain Lust cost if a opponent controls a non-black creature. If you do, tap that creature and put a -1/-1 counter on it. This creature enters the battlefield tapped with a +1/+1 counter on it. Active this ability only as a sorcery.)
This creature has lifelink as long it has drained another creature.
To weave and harvest someone's deepest desires is nothing but the first lesson