Whenever a nontoken creature is put into your graveyard from the battlefield, create a 2/2 black Zombie creature token.

When a creature is put into an opponent's graveyard from the battlefield, exile this creature.

Whenever another nontoken Elf is put into your graveyard from the battlefield, you may create a 1/1 green Elf Warrior creature token.

Whenever a creature is put into your graveyard from the battlefield, put that card on top of your library.

Commander creatures you own have "Whenever an artifact or creature you control is put into a graveyard from the battlefield, each opponent loses 1 life."

At the beginning of your upkeep, exile a card from your graveyard.

Threshold — As long as there are seven or more cards in your graveyard, this enchantment has "Whenever a nontoken creature is put into your graveyard from the battlefield, you may pay . If you do, return that card to your hand."

, Exile one or more creature cards from your graveyard: Create a tapped X/X black Zombie Horror creature token, where X is twice the number of cards exiled this way.

Whenever a nontoken permanent is put into a player's graveyard from the battlefield, that player loses 1 life.

Whenever an artifact is put into a graveyard from the battlefield, you may put a +1/+1 counter on this creature.

When this creature enters, you may discard a card. If you do, create a 2/2 black Zombie creature token.

, , Exile a creature card from your graveyard: Each opponent loses 2 life.

Enchant creature

When this Aura is put into a graveyard from the battlefield, destroy target nonblack creature.

If this card is in your opening hand, you may begin the game with it on the battlefield.

If a card would be put into an opponent's graveyard from anywhere, exile it instead.

When a creature is put into an opponent's graveyard from the battlefield, if this permanent is an enchantment, it becomes a 3/2 Phyrexian Imp creature with flying.

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

I, II — Mill three cards. Then you may exile a creature or enchantment card from your graveyard. If you do, create a 2/2 black Zombie creature token.

III — You gain X life and scry X, where X is the number of Zombies you control.

Whenever a nontoken creature is put into your graveyard from the battlefield, exile that card.

At the beginning of your upkeep, you may pay and 2 life. If you do, return a card exiled with this enchantment to the battlefield.

Whenever another Rat you control enters, exile up to one target card from an opponent's graveyard.

At the beginning of combat on your turn, create a 1/1 black Rat creature token with "This token can't block."

Enchant creature

Enchanted creature has fear. (It can't be blocked except by artifact creatures and/or black creatures.)

When this Aura is put into a graveyard from the battlefield, return it to its owner's hand.

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

I — Destroy target tapped creature an opponent controls.

II — Whenever an Assassin you control attacks this turn, put a +1/+1 counter on it.

III — Return target Assassin creature card from your graveyard to the battlefield with an additional +1/+1 counter on it.

Haste

Shadow (This creature can block or be blocked by only creatures with shadow.)

Whenever another creature is put into your graveyard from the battlefield, you may pay . If you do, return this card from your graveyard to the battlefield.