Trespasser's Curse

Enchant player
Whenever a creature enchanted player controls enters, that player loses 1 life and you gain 1 life.

Sparring Mummy

When Sparring Mummy enters, untap target creature.

Whenever another Zombie you control enters, you may tap target artifact or creature.

Return up to two target creature cards from your graveyard to your hand.
Cycling {2} ({2}, Discard this card: Draw a card.)

({T}: Add {W} or {B}.)
Snowfield Sinkhole enters tapped.

When Doomed Dissenter dies, create a 2/2 black Zombie creature token.

Untap target creature. Prevent all damage that would be dealt to it this turn.
Cycling {2} ({2}, Discard this card: Draw a card.)

Flying
{1}: Blighted Bat gains haste until end of turn.

Target player discards two cards.
Cycling {2} ({2}, Discard this card: Draw a card.)

When Festering Mummy dies, you may put a -1/-1 counter on target creature.

Exile target artifact or enchantment.
Cycling {2} ({2}, Discard this card: Draw a card.)

{T}: Add {C}.
{3}, {T}, Sacrifice Cradle of the Accursed: Create a 2/2 black Zombie creature token. Activate only as a sorcery.

{T}: Add {C}.
{1}, {T}: Add one mana of any color.

{T}, Sacrifice this land: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

When Miasmic Mummy enters, each player discards a card.

Until end of turn, target creature gets +2/+0 and gains "When this creature dies, return it to the battlefield tapped under its owner's control."

Zombies you control get +2/+1 until end of turn. Other creatures you control get +1/+1 until end of turn.