Unbreathing Horde 
Creature — Zombie
This creature enters with a +1/+1 counter on it for each other Zombie you control and each Zombie card in your graveyard. If this creature would be dealt damage, prevent that damage and remove a +1/+1 counter from it.
Legality
standardNOT LEGALpioneerNOT LEGALmodernLEGALlegacyLEGALvintageLEGALcommanderLEGAL