Gurmag Angler

Delve (Each card you exile from your graveyard while casting this spell pays for {1}.)

Grasp of Darkness

Target creature gets -4/-4 until end of turn.

Changeling (This card is every creature type.)
Target creature gets +3/-3 and loses all creature types until end of turn.

Choose one —
• Return target creature card from your graveyard to your hand.
• Return two target Zombie cards from your graveyard to your hand.

Whenever another creature enters, you lose 1 life.

{T}: Each player loses 1 life for each Zombie on the battlefield.

At the beginning of your upkeep, tap Carnophage unless you pay 1 life.

When Ghoulraiser enters, return a Zombie card at random from your graveyard to your hand.

At the beginning of your upkeep, tap Sangrophage unless you pay 2 life.

Carrion Feeder can't block.
Sacrifice a creature: Put a +1/+1 counter on Carrion Feeder.