Mono black

Flying

At the beginning of your upkeep, target player draws a card and loses 1 life.

Flying, trample

When Demonlord Belzenlok enters the battlefield, exile cards from the top of your library until you exile a nonland card, then put that card into your hand. If the card's mana value is 4 or greater, repeat this process. Demonlord Belzenlok deals 1 damage to you for each card put into your hand this way.

When Dusk Legion Zealot enters the battlefield, you draw a card and you lose 1 life.

Flying, lifelink

Pay 7 life: Draw seven cards.

Deathtouch

Whenever Isareth the Awakener attacks, you may pay {X}. When you do, return target creature card with mana value X from your graveyard to the battlefield with a corpse counter on it. If that creature would leave the battlefield, exile it instead of putting it anywhere else.

[+1]: Reveal the top two cards of your library. An opponent chooses one of them. Put that card into your hand and exile the other with a silver counter on it.

[−1]: Put a card you own with a silver counter on it from exile into your hand.

[−2]: Create a 0/0 colorless Construct artifact creature token with "This creature gets +1/+1 for each artifact you control."

[+1]: Search your library for a Swamp card, reveal it, put it into your hand, then shuffle.

[−3]: Target creature gets +X/+X or -X/-X until end of turn, where X is the number of Swamps you control.

[−6]: You get an emblem with "Swamps you control have '{T}: Add {B}{B}{B}{B}.'"

[+1]: Create a 2/2 black Zombie creature token. Mill two cards.

[−3]: Return target creature card from your graveyard to the battlefield. That creature is a black Zombie in addition to its other colors and types.

[−7]: Destroy all non-Zombie creatures.

Destroy target creature or planeswalker.

When Phyrexian Rager enters the battlefield, you draw a card and you lose 1 life.

When Ravenous Chupacabra enters the battlefield, destroy target creature an opponent controls.

({T}: Add {B}.)

Target player reveals their hand. You choose a nonland card from it. That player discards that card. You lose 2 life.

Destroy target monocolored creature.

Flying, lifelink, indestructible, haste