Vampire Spawn

This creature is a Villain
Level Up - Thirst (Whenever you gain life, lose 1 life and put a level counter on this creature).
Level 0-1 - 1/1 Lifelink.
Level 2 - 2/2 Flying, lifelink.
Level 3 - 3/3 Flying lifelink.
Level 4 - 3/3 Flying Lifelink Whenever you gain life, each opponent loses 1 life.
Level 5 - Transform Vampire Spawn (Necrovian Nightlord)