Liliana's Emissary

Delve (Each card you exile from your graveyard
while casting this spell pays for {1}.)
Deathtouch
When Liliana's Emissary enters the battlefield,
you may exile target creature card from a
graveyard. If you do, create a token that's a copy
of that card, except it's a black Zombie with base
power and toughness 2/2.