N'rhi, Nascent Praetor

Hexproof, pierce. (This creature can do excess
combat damage to another target creature)
Other Horror and Zombie creatures you control
get +1/+2 and have hexproof
At the beginning of your end step, If you both
own and control N'rhi, Nascent Praetor and a
creature called K'r, Nascent Praetor, exile them,
then meld them into Kahori the Triumph
Horror.