Kicker {3} (You may pay an additional {3} as you cast this spell.) If Moss-Pit Skeleton was kicked, it enters the battlefield with three +1/+1 counters on it. Whenever one or more +1/+1 counters are put on a creature you control, if Moss-Pit Skeleton is in your graveyard, you may put Moss-Pit Skeleton on top of your library.

Skeletons you control get +1/+0 and have haste. When Corpses of the Lost enters the battlefield, create a 2/2 black Skeleton Pirate creature token. At the beginning of your end step, if you descended this turn, you may pay 1 life. If you do, return Corpses of the Lost to its owner's hand. (You descended if a permanent card was put into your graveyard from anywhere.)

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.

({T}: Add {G}.)

As an additional cost to cast this spell, sacrifice a creature or discard a card. Destroy target creature or planeswalker.

Destroy target permanent an opponent controls. Its controller may search their library for a basic land card, put it onto the battlefield, then shuffle.

{2}, {T}: Add {B} for each Swamp you control.

Other black creatures you control get +1/+1. Other green creatures you control get +1/+1. At the beginning of your upkeep, you may create a 1/1 black and green Worm creature token.

As an additional cost to cast this spell, sacrifice an artifact or creature. Draw two cards and create a Treasure token. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.")

Skeletons you control and other Zombies you control get +1/+1 and have deathtouch.

Skeletons, Vampires, and Zombies you control get +1/+1. At the beginning of your end step, if a creature died this turn, you may pay {1}. If you do, create a 1/1 black Skeleton creature token.

Haste When you gain life for the first time each turn, return Deathless Knight from your graveyard to your hand.

Whenever one or more creature cards leave your graveyard, create a 1/1 black Bat creature token with flying.

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

At the beginning of your end step, each opponent loses 1 life and you gain 1 life.

Destroy target creature. You lose 2 life.

Flying Pay 4 life: Regenerate Marrow Bats.

Haste Delirium — When Mournwillow enters the battlefield, if there are four or more card types among cards in your graveyard, creatures with power 2 or less can't block this turn.

{2}{B}: Return Persistent Specimen from your graveyard to the battlefield tapped.

Rot Farm Skeleton can't block. {2}{B}{G}, Mill four cards: Return Rot Farm Skeleton from your graveyard to the battlefield. Activate only as a sorcery.

{2}{B}: Return Sanitarium Skeleton from your graveyard to your hand.

When Tenacious Dead dies, you may pay {1}{B}. If you do, return it to the battlefield tapped under its owner's control.