Madness {1}{B} (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.) When Grave Scrabbler enters the battlefield, if its madness cost was paid, you may return target creature card from a graveyard to its owner's hand.

Discard a card: Hell Mongrel gets +1/+1 until end of turn. Madness {2}{B} (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.)

Flying, haste Madness {B} (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.)

Exile Simian Spirit Guide from your hand: Add {R}.

Add {B}{B}{B}.

Peat Bog enters the battlefield tapped with two depletion counters on it. {T}, Remove a depletion counter from Peat Bog: Add {B}{B}. If there are no depletion counters on Peat Bog, sacrifice it.

Target opponent reveals their hand. You choose a noncreature, nonland card from it. That player discards that card.

You draw two cards and you lose 2 life.

Return target black creature card from your graveyard to your hand. Madness {0} (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.)

Destroy target nonlegendary creature.

Choose one — • Target opponent discards two cards. • Target opponent reveals their hand. You choose a nonland card from it. That player discards that card.

Target opponent reveals their hand. You choose a noncreature, nonland card from it. That player discards that card.

When Hopeless Nightmare enters the battlefield, each opponent discards a card and loses 2 life. When Hopeless Nightmare is put into a graveyard from the battlefield, scry 2. {2}{B}: Sacrifice Hopeless Nightmare.

{T}, Sacrifice Basal Thrull: Add {B}{B}.

Sacrifice Blood Pet: Add {B}.

{B}, {T}, Discard a card: Add {B}{B}{B}.

Until end of turn, whenever a player taps a Swamp for mana, that player adds an additional {B}.

As an additional cost to cast this spell, sacrifice a creature. Add X mana in any combination of {B} and/or {R}, where X is the sacrificed creature's mana value.