You may cast this spell as though it had flash as long as your devotion to black is three or greater.
Scry 2, then draw two cards. You lose 2 life.

Reach, lifelink

Whenever Nyxborn Retriever attacks, if defending player has eight or more cards in their graveyard, Nyxborn Retriever gets +2/+1 and gains menace until end of turn.

Destroy target creature if it has fewer colors than the number of colors of mana spent to cast this spell.

During your turn, you may play cards from your graveyard but not from anywhere else.
Whenever you cast an instant or sorcery spell, exile that card instead of putting it into your graveyard as it resolves.
If another permanent you control would be put into your graveyard, exile it instead.

Flash
When Omen of Slaughter enters, each opponent sacrifices a creature or planeswalker.
{2}{B}, Sacrifice Omen of Slaughter: Scry 2.

Your maximum hand size is zero.
Pay 1 life: Draw a card. Activate only as a sorcery.

Enchant creature
Whenever enchanted creature attacks, put a +1/+1 counter on it. Then if it has three or more +1/+1 counters on it, sacrifice Ordeal of Pharika.
Whenever you sacrifice Ordeal of Pharika, creatures your opponents control get -2/-2 until end of turn.

Exile target creature or planeswalker. Its controller loses 2 life.

You draw two cards, lose 2 life, and mill two cards.

When Pathetic Cocoon enters or dies, create a Berry token.

Favored
Your Champion has deathtouch.

Deathtouch
Whenever Pharika's Harbinger deals combat damage to a player, bless target creature that player controls.

Once each turn, when you cast a black spell with mana value less than your devotion to black, you may draw a card and lose 1 life.

When Phenax's Touch enters, each opponent discards a card and loses 1 life.
{1}{B}, Sacrifice Phenax's Touch: You draw a card and you lose 1 life.

At the beginning of your end step, if you control three or more untapped lands, you draw a card and you lose 1 life.

Deathtouch
When Phyto's Offshoot enters, you may exile any number of permanent cards from your graveyard. When you do, target opponent reveals that many cards from their hand. You choose one of them. That player discards that card.

Each player mills two cards. When you do, return target creature card from your graveyard to your hand.

Enchant creature
Enchanted creature has “At the beginning of your upkeep, sacrifice a creature. If you can't, you lose 3 life.”

Poisoned Strike deals 3 damage to target creature. That creature's controller mills three cards.

Until end of turn, target creature gains “When this creature dies, return it to the battlefield tapped under its owner's control and teach it flying.”

Flying, haste
Landfall — Whenever a land you control enters, put a +1/+1 counter on Pressuring Ghoul unless any opponent discards a card.

Whenever you cast a spell, if mana from an artifact source was spent to cast it, you may pay 1 life. If you do, draw a card. Do this only once each turn.

Target player discards two cards. If all the cards discarded this way share a card type, that player loses 3 life.

Deathtouch
Whenever one or more artifact creatures you control deal combat damage to an opponent, you draw a card and you lose 1 life.