Kinzu of the Bleak Coven {4}{B}
Legendary Creature — Phyrexian Vampire
Flying
Whenever another nontoken creature you control dies, you may pay 2 life and exile it. If you do, create a token that's a copy of that creature, except it's 1/1 and has toxic 1. (Players dealt combat damage by it also get a poison counter.)
5/4