wondering if anyone has found any besides serene steward? that works outrageously with it getting multiple bufs per turn, it is hard to teek up with the mana loss sometimes
You mean Campaign of Vengeance?
Bloodbond Vampire gains +1/+1 every time you gain life.
Beyond that, Sorin’s 3rd Loyalty ability + Campaign of Vengeance means you can get +4/+0 for every creature on the board without them having lifetap, so it adds some more flexibility to Sorin decks.
makes sense since he is a vampire pw but does make him a lot more like gideon but with lots more kills power
https://youtu.be/pYBwcB0W9U8
That’s if you can beat the slowness of animations 
just the 5/6 vampire that drains your opponents health for 5 when ever you gain life.
Bloodlord 
It works really well actually - bonus damage!
If only Exquisite Blood was in MTGPQ. Imagine if you could create an infinite loop with EB and Cliffhaven Vampire? 
We’re all hoping the devs are on top of infinite loops. They might be sort of funny if you can stop when you’re bored. But the AI doesn’t.