Flying
Whenever you gain life during your turn, put a +1/+1 counter on Vampire Scrivener.
Whenever you lose life during your turn, put a +1/+1 counter on Vampire Scrivener.

If there are ten or more creature cards total in all graveyards, this spell costs less to cast.
Fear
: Destroy target creature. It can't be regenerated.

Deathtouch
Mobilize X, where X is the number of creature cards in your graveyard.

Menace
This creature gets -1/-1 for each creature card in your library.

Each player discards all the cards in their hand, then creates that many 2/2 black Zombie creature tokens.

Whenever Ayara or another black creature you control enters, each opponent loses 1 life and you gain 1 life.
, Sacrifice another black creature: Draw a card.

, Sacrifice another creature or artifact: Ayara deals X damage to target opponent or battle and you gain X life, where X is the sacrificed permanent's mana value.
: Transform Ayara. Activate only as a sorcery. ( can be paid with either or 2 life.)

Menace
Whenever this creature deals combat damage to a player, if it has fewer than four +1/+1 counters on it, put a +1/+1 counter on it. Then if it has exactly four +1/+1 counters on it, search your library for a card, put it into your hand, then shuffle.

When Azog enters, destroy up to one other target creature. Its controller amasses Goblins X, where X is that creature's power. If you controlled that creature, draw a card.

Ninjutsu
When this creature enters, target creature you control gains indestructible until end of turn.

Choose one or both —
• Target creature gets -1/-1 until end of turn.
• Put a +1/+1 counter on target creature.

Firebending 2
Whenever Azula attacks, you lose 1 life and create a Clue token.

Firebending 1
Whenever Azula attacks, you may discard a card. Then you get an experience counter for each player who discarded a card this turn.
: Until end of turn, Azula gets +1/+1 for each experience counter you have and gains menace.

Bargain
Return up to two target creature cards from your graveyard to your hand. If this spell was bargained, you may put one of those cards with mana value 4 or less onto the battlefield instead of putting it into your hand.

Return target creature or Vehicle card from your graveyard to the battlefield. Create a 1/1 colorless Pilot creature token with "This token saddles Mounts and crews Vehicles as though its power were 2 greater."

You draw two cards and each opponent discards two cards. Each player loses 2 life.

Black creatures get +1/+1.

Whenever Badgey becomes tapped, each opponent loses 1 life and you gain 1 life.

Whenever you sacrifice another nontoken artifact or creature, exile it.
, , Sacrifice another artifact or creature: Draw a card.
, , Sacrifice this artifact: Roll a d10. Return up to X cards from among cards exiled with this artifact to their owners' hands, where X is the result.

Until end of turn, target creature you control gains "When this creature dies, return it to the battlefield tapped under its owner's control. It deals 1 damage to each opponent."
Overload

Destroy target creature. Create a Food token.

When this creature enters, you may destroy target creature with power 1 or less.

Whenever this creature or another Ally you control enters, target player reveals a number of cards from their hand equal to the number of Allies you control. You choose one of them. That player discards that card.

Kicker
Menace
When this creature enters, if it was kicked, return target creature card with mana value 3 or less from your graveyard to the battlefield. It gains haste. Sacrifice it at the beginning of the next end step.

, Exile a creature card from your graveyard: Create a 3/1 black and red Graveborn creature token with haste. Sacrifice it at the beginning of the next end step.

Cumulative upkeep
Whenever this creature's cumulative upkeep is paid, it gets +1/+0 until end of turn for each or spent this way.

Lifelink
When this creature enters, put a -1/-1 counter on target creature you control.

When this creature enters, choose one —
• Antimagic Cone — Each opponent sacrifices an enchantment of their choice.
• Fear Ray — Creatures you control gain menace until end of turn.

Bestow
Deathtouch
Enchanted creature gets +1/+1 and has deathtouch.