Endless Ranks of the Dead

Carrion Feeder can't block.

Sacrifice a creature: Put a +1/+1 counter on Carrion Feeder.

Add {B}{B}{B}.

Diregraf Colossus enters the battlefield with a +1/+1 counter on it for each Zombie card in your graveyard.

Whenever you cast a Zombie spell, create a tapped 2/2 black Zombie creature token.

All creatures gain fear until end of turn. (They can't be blocked except by artifact creatures and/or black creatures.)

Cycling {1}{B} ({1}{B}, Discard this card: Draw a card.)

When you cycle Dirge of Dread, you may have target creature gain fear until end of turn.

At the beginning of your upkeep, create X 2/2 black Zombie creature tokens, where X is half the number of Zombies you control, rounded down.

Cycling {B}{B} ({B}{B}, Discard this card: Draw a card.)

When you cycle Gempalm Polluter, you may have target player lose life equal to the number of Zombies on the battlefield.

Geralf's Messenger enters the battlefield tapped.

When Geralf's Messenger enters the battlefield, target opponent loses 2 life.

Undying (When this creature dies, if it had no +1/+1 counters on it, return it to the battlefield under its owner's control with a +1/+1 counter on it.)

Choose one —

• Return target creature card from your graveyard to your hand.

• Return two target Zombie cards from your graveyard to your hand.

Gravecrawler can't block.

You may cast Gravecrawler from your graveyard as long as you control a Zombie.

({T}: Add {B}.)

Zombie spells you cast cost {1} less to cast.

Zombie creatures you control get +2/+1.

Other Zombie creatures have swampwalk. (They can't be blocked as long as defending player controls a Swamp.)

Other Zombies have "{B}: Regenerate this permanent."