Mass of Ghouls

Myr Servitor

At the beginning of your upkeep, if Myr Servitor is on the battlefield, each player returns all cards named Myr Servitor from their graveyard to the battlefield.

Phyrexian Ghoul

Sacrifice a creature: Phyrexian Ghoul gets +2/+2 until end of turn.

Corrupt

Corrupt deals damage to any target equal to the number of Swamps you control. You gain life equal to the damage dealt this way.

Dark Banishing

Destroy target nonblack creature. It can't be regenerated.

Ravenous Rats

When Ravenous Rats enters, target opponent discards a card.

Severed Legion

Fear (This creature can't be blocked except by artifact creatures and/or black creatures.)

Gravedigger

When Gravedigger enters, you may return target creature card from your graveyard to your hand.

Raise Dead

Return target creature card from your graveyard to your hand.

Swamp

Terror

Destroy target nonartifact, nonblack creature. It can't be regenerated.

Polluted Mire

Polluted Mire enters tapped.
{T}: Add {B}.
Cycling {2} ({2}, Discard this card: Draw a card.)

Phyrexian Rager

When Phyrexian Rager enters, you draw a card and you lose 1 life.

Skull Catapult

{1}, {T}, Sacrifice a creature: Skull Catapult deals 2 damage to any target.

Diabolic Tutor

Search your library for a card, put that card into your hand, then shuffle.