Edgar, Charmed Groom // Edgar Markov's Coffin

Oracle Text

[Edgar, Charmed Groom]
Other Vampires you control get +1/+1.
When Edgar dies, return it to the battlefield transformed under its owner's control.

[Edgar Markov's Coffin]
At the beginning of your upkeep, create a 1/1 white and black Vampire creature token with lifelink and put a bloodline counter on Edgar Markov's Coffin. Then if there are three or more bloodline counters on it, remove those counters and transform it.