This spell costs {1} less to cast for each creature on the battlefield.

Blasphemous Act deals 13 damage to each creature.

Whenever Blood Artist or another creature dies, target player loses 1 life and you gain 1 life.

At the beginning of your end step, you may sacrifice an artifact, creature, enchantment, land, or planeswalker. If you do, each opponent may sacrifice a permanent that shares a card type with it. For each opponent who doesn't, that player loses 2 life and you draw a card.

Flying

Whenever Butcher of Malakir or another creature you control dies, each opponent sacrifices a creature.

Destroy all creatures. They can't be regenerated.

Flash

Whenever a creature you control dies, each opponent sacrifices a creature.

Deathtouch

Other Zombie creatures you control get +1/+1.

Whenever another Zombie you control dies, target opponent loses 1 life.

Flying

Whenever Falkenrath Noble or another creature dies, target player loses 1 life and you gain 1 life.

When Fleshbag Marauder enters the battlefield, each player sacrifices a creature.

Whenever another creature you control dies, draw a card if it was attacking. Otherwise, Garna, Bloodfist of Keld deals 1 damage to each opponent.

{B}, {T}, Sacrifice another creature: Create X 2/2 black Zombie creature tokens, where X is the sacrificed creature's power.

When Gisa and Geralf enters the battlefield, mill four cards.

Once during each of your turns, you may cast a Zombie creature spell from your graveyard.

If a creature an opponent controls would die, exile it instead.

At the beginning of your upkeep, put all creature cards exiled with Gisa, Glorious Resurrector onto the battlefield under your control. They gain decayed. (A creature with decayed can't block. When it attacks, sacrifice it at end of combat.)

Sacrifice a creature: Goblin Bombardment deals 1 damage to any target.

Whenever a creature you control dies, each other player sacrifices a creature.

Whenever another creature dies, you may have Hissing Iguanar deal 1 damage to target player or planeswalker.

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.)

I -- You may sacrifice a creature. When you do, Kardur's Vicious Return deals 3 damage to any target.

II -- Each player discards a card.

III -- Return target creature card from your graveyard to the battlefield. Put a +1/+1 counter on it. It gains haste until your next turn.

Whenever a player sacrifices a permanent, Mayhem Devil deals 1 damage to any target.

When Merciless Executioner enters the battlefield, each player sacrifices a creature.

Trample

Whenever a source deals damage to Phyrexian Obliterator, that source's controller sacrifices that many permanents.

Menace

When Sheoldred enters the battlefield, each opponent sacrifices a nontoken creature or planeswalker.

{4}{B}: Exile Sheoldred, then return it to the battlefield transformed under its owner's control. Activate only as a sorcery and only if an opponent has eight or more cards in their graveyard.

(As this Saga enters and after your draw step, add a lore counter.)

I -- For each opponent, destroy up to one target creature or planeswalker that player controls.

II -- Each opponent discards three cards, then mills three cards.

III -- Put all creature cards from all graveyards onto the battlefield under your control. Exile The True Scriptures, then return it to the battlefield (front face up).

Swampwalk (This creature can't be blocked as long as defending player controls a Swamp.)

At the beginning of your upkeep, return target creature card from your graveyard to the battlefield.

At the beginning of each opponent's upkeep, that player sacrifices a creature.

Choose three target creature cards in your graveyard. Return two of them at random to the battlefield and put the other on the bottom of your library.

As long as it's your turn, Spiteful Prankster has first strike.

Whenever another creature dies, Spiteful Prankster deals 1 damage to target player or planeswalker.

When The Meathook Massacre enters the battlefield, each creature gets -X/-X until end of turn.

Whenever a creature you control dies, each opponent loses 1 life.

Whenever a creature an opponent controls dies, you gain 1 life.

Haste

Whenever Thraximundar attacks, defending player sacrifices a creature.

Whenever a player sacrifices a creature, you may put a +1/+1 counter on Thraximundar.

Target creature gets -1/-1 until end of turn.

Morbid -- That creature gets -13/-13 until end of turn instead if a creature died this turn.

Flying

Ward--Sacrifice a creature.

Whenever a creature dies, target opponent loses 2 life and you gain 2 life.

Whenever Vengeful Dead or another Zombie dies, each opponent loses 1 life.

Choose two target creature cards in your graveyard. Sacrifice a creature. If you do, return the chosen cards to the battlefield tapped.

Whenever Zulaport Cutthroat or another creature you control dies, each opponent loses 1 life and you gain 1 life.