Gavony

All creatures have vigilance.
Whenever chaos ensues, creatures you control gain indestructible until end of turn.

Planewide Disaster

When you encounter Planewide Disaster, destroy all creatures. (Then planeswalk away from this phenomenon.)

Lightning Mauler

Soulbond (You may pair this creature with another unpaired creature when either enters. They remain paired for as long as you control both of them.)
As long as this creature is paired with another creature, both creatures have haste.

Rotcrown Ghoul

When Rotcrown Ghoul dies, target player mills five cards.

Dread Slaver

Whenever a creature dealt damage by Dread Slaver this turn dies, return it to the battlefield under your control. That creature is a black Zombie in addition to its other colors and types.

Guise of Fire

Enchant creature
Enchanted creature gets +1/-1 and attacks each combat if able.

Undead Executioner

When Undead Executioner dies, you may have target creature get -2/-2 until end of turn.

Gravecrawler

This creature can’t block.
You may cast this card from your graveyard as long as you control a Zombie.

Curse of Thirst

Enchant player
At the beginning of enchanted player’s upkeep, Curse of Thirst deals damage to that player equal to the number of Curses attached to them.

Pillar of Flame

Pillar of Flame deals 2 damage to any target. If a creature dealt damage this way would die this turn, exile it instead.

Bloodcrazed Neonate

Bloodcrazed Neonate attacks each combat if able.
Whenever Bloodcrazed Neonate deals combat damage to a player, put a +1/+1 counter on it.

Prey Upon

Target creature you control fights target creature you don’t control. (Each deals damage equal to its power to the other.)

Unbreathing Horde

Unbreathing Horde enters with a +1/+1 counter on it for each other Zombie you control and each Zombie card in your graveyard.
If Unbreathing Horde would be dealt damage, prevent that damage and remove a +1/+1 counter from it.

Mindshrieker

Flying
: Target player mills a card. Mindshrieker gets +X/+X until end of turn, where X is the milled card’s mana value.

Tribute to Hunger

Target opponent sacrifices a creature of their choice. You gain life equal to that creature’s toughness.

Slavering Nulls

Whenever Slavering Nulls deals combat damage to a player, if you control a Swamp, you may have that player discard a card.

Carnage Wurm

Bloodthirst 3 (If an opponent was dealt damage this turn, this creature enters with three +1/+1 counters on it.)
Trample (This creature can deal excess combat damage to the player or planeswalker it’s attacking.)

Drowned Catacomb

Drowned Catacomb enters tapped unless you control an Island or a Swamp.
: Add or .

Stonehorn Dignitary

When Stonehorn Dignitary enters, target opponent skips their next combat phase.

Mutagenic Growth

( can be paid with either or 2 life.)
Target creature gets +2/+2 until end of turn.