Kryorath, the Ice King

Menace, Vigilance
Power of the Ice King-At the beginning of your
upkeep create a 2/1 blue frost zombie creature
token then give all other non token zombie
creatures you control a +1/+1 counter
Unending Servitude-{u}{u}{b} Return target zombie creature from your graveyard to the battlefield,
then give all other non token zombie creatures
you control a +1/+1 counter