I am seeking zombies for a deck I want to work on. Any help with it would be great!:

2 x Grave crawlers
2 x Geralf's Messenger
2 x Lord of the Undead (Planeshift Version)
3 x Death Baron
1 x Gravespawn Sovereign

I know I have a death baron and 2 geralfs messengers, and 2 gravecrawlers at home. let me go and make sure. I am interested in the teferi.