Grave Titan

When this creature dies, create two 2/2 black Zombie creature tokens.

Deathtouch

Whenever this creature enters or attacks, mill two cards, then incubate X, where X is the number of creature cards in your graveyard. (Create an Incubator token with X +1/+1 counters on it and ": Transform this token." It transforms into a 0/0 Phyrexian artifact creature.)

Exploit (When this creature enters, you may sacrifice a creature.)

When this creature exploits a creature, create two 2/2 black Zombie creature tokens.

Deathtouch

When this creature enters, create a Food token. (It's an artifact with ", , Sacrifice this token: You gain 3 life.")

Swampcycling (, Discard this card: Search your library for a Swamp card, reveal it, put it into your hand, then shuffle.)

When this creature leaves the battlefield, create a 2/2 black Zombie creature token.

Unearth (: Return this card from your graveyard to the battlefield. It gains haste. Exile it at the beginning of the next end step or if it would leave the battlefield. Unearth only as a sorcery.)

Whenever a source deals damage to this creature, create a 2/2 black Phyrexian Zombie creature token.