Constellation -- Whenever Agent of Erebos or another enchantment enters the battlefield under your control, exile target player's graveyard.

Flying

When Angel of Despair enters, destroy target permanent.

Enchant creature card in a graveyard

When Animate Dead enters the battlefield, if it's on the battlefield, it loses "enchant creature card in a graveyard" and gains "enchant creature put onto the battlefield with Animate Dead." Return enchanted creature card to the battlefield under your control and attach Animate Dead to it. When Animate Dead leaves the battlefield, that creature's controller sacrifices it.

Enchanted creature gets -1/-0.

Flying

When Ashen Rider enters the battlefield or dies, exile target permanent.

Indestructible

As long as your devotion to white and black is less than seven, Athreos isn't a creature.

Whenever another creature you own dies, return it to your hand unless target opponent pays 3 life.

{B}, Sacrifice a creature: Destroy target nonblack creature.

Choose two --

• Destroy all artifacts.

• Destroy all enchantments.

• Destroy all creatures with mana value 3 or less.

• Destroy all creatures with mana value 4 or greater.

At the beginning of your upkeep, you lose 1 life and create a 1/1 black Faerie Rogue creature token with flying.

Flying

{T}: Create a 2/2 black Vampire creature token with flying.

{B}: Transform Bloodline Keeper. Activate only if you control five or more Vampires.

Flying

Other Vampire creatures you control get +2/+2.

{T}: Create a 2/2 black Vampire creature token with flying.

As Citadel Siege enters the battlefield, choose Khans or Dragons.

• Khans -- At the beginning of combat on your turn, put two +1/+1 counters on target creature you control.

• Dragons -- At the beginning of combat on each opponent's turn, tap target creature that player controls.

Enchant creature

Enchanted creature is an Insect artifact creature with base power and toughness 0/1 and has indestructible, and it loses all other abilities, card types, and creature types.

Flying

Prevent all damage that would be dealt to Dawn Elemental.

({W/B} can be paid with either {W} or {B}.)

At the beginning of your upkeep, put target creature card from a graveyard onto the battlefield under your control.

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

{1}{W}, {T}, Discard a card: Destroy target artifact or enchantment.

Search your library for up to X cards, put those cards into your hand, then shuffle.

Flash

Whenever a creature you control dies, each opponent sacrifices a creature.

Flying, lifelink

Divinity of Pride gets +4/+4 as long as you have 25 or more life.

Constellation -- Whenever Doomwake Giant or another enchantment enters the battlefield under your control, creatures your opponents control get -1/-1 until end of turn.

+1: Create three 1/1 white Soldier creature tokens.

-3: Destroy all creatures with power 4 or greater.

-7: You get an emblem with "Creatures you control get +2/+2 and have flying."

Search your library for an artifact or enchantment card, reveal it, then shuffle and put that card on top.

Indestructible

As long as your devotion to black is less than five, Erebos isn't a creature. (Each {B} in the mana costs of permanents you control counts toward your devotion to black.)

Your opponents can't gain life.

{1}{B}, Pay 2 life: Draw a card.

Enchant creature

As Flickering Ward enters, choose a color.

Enchanted creature has protection from the chosen color. This effect doesn't remove Flickering Ward.

{W}: Return Flickering Ward to its owner's hand.

Deathtouch

Whenever Grave Titan enters the battlefield or attacks, create two 2/2 black Zombie creature tokens.

When Gray Merchant of Asphodel enters the battlefield, each opponent loses X life, where X is your devotion to black. You gain life equal to the life lost this way. (Each {B} in the mana costs of permanents you control counts toward your devotion to black.)

As an additional cost to cast this spell, pay X life.

Target creature gets +X/+0 until end of turn.

When Heliod's Pilgrim enters the battlefield, you may search your library for an Aura card, reveal it, put it into your hand, then shuffle.

Indestructible

As long as your devotion to white is less than five, Heliod isn't a creature. (Each {W} in the mana costs of permanents you control counts toward your devotion to white.)

Other creatures you control have vigilance.

{2}{W}{W}: Create a 2/1 white Cleric enchantment creature token.

Whenever High Priest of Penance is dealt damage, you may destroy target nonland permanent.

Search your library for an enchantment card, reveal it, put it into your hand, then shuffle.

When Kor Cartographer enters, you may search your library for a Plains card, put it onto the battlefield tapped, then shuffle.

Choose one --

• Exile all artifacts.

• Exile all creatures.

• Exile all enchantments.

• Exile all planeswalkers.

Whenever you cast an enchantment spell, you may draw a card.

All Slivers have "{3}, Sacrifice this permanent: Destroy target permanent."

The owner of target nonland permanent shuffles it into their library, then draws two cards.

As Palace Siege enters the battlefield, choose Khans or Dragons.

• Khans -- At the beginning of your upkeep, return target creature card from your graveyard to your hand.

• Dragons -- At the beginning of your upkeep, each opponent loses 2 life and you gain 2 life.

Exile target creature. Its controller may search their library for a basic land card, put that card onto the battlefield tapped, then shuffle.

At the beginning of your upkeep, you draw a card and you lose 1 life.

Choose two --

• Target player loses X life.

• Return target creature card with mana value X or less from your graveyard to the battlefield.

• Target creature gets -X/-X until end of turn.

• Up to X target creatures gain fear until end of turn. (They can't be blocked except by artifact creatures and/or black creatures.)

When Reliquary Monk dies, destroy target artifact or enchantment.

Exile target artifact or enchantment. If you cast this spell during your main phase, you may exile up to one other target artifact or enchantment.

Flying

When Rune-Scarred Demon enters the battlefield, search your library for a card, put it into your hand, then shuffle.

{2}{B}: Each opponent loses 1 life. You gain life equal to the life lost this way.

Flying, vigilance

{W}{B}, Pay 3 life: Regenerate Sentry of the Underworld.

Serra Avatar's power and toughness are each equal to your life total.

When Serra Avatar is put into a graveyard from anywhere, shuffle it into its owner's library.

Exile target creature and all other creatures with the same name as that creature.

Flashback {5}{B}{B} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

+1: Create a 1/1 black Vampire creature token with lifelink.

-2: You get an emblem with "Creatures you control get +1/+0."

-6: Destroy up to three target creatures and/or other planeswalkers. Return each card put into a graveyard this way to the battlefield under your control.

Creatures you control get +1/+1.

{1}{W}{W}, {T}: Destroy target creature that dealt damage to you this turn.

Enchant creature

Enchanted creature gets +2/+2 and has protection from all colors. This effect doesn't remove Auras. (It can't be blocked, targeted, or dealt damage by anything that's white, blue, black, red, or green.)

Protection from white and from black

{W/B}: Stillmoon Cavalier gains flying until end of turn.

{W/B}: Stillmoon Cavalier gains first strike until end of turn.

{W/B}{W/B}: Stillmoon Cavalier gets +1/+0 until end of turn.

Vigilance

Whenever Sun Titan enters or attacks, you may return target permanent card with mana value 3 or less from your graveyard to the battlefield.

Exile target creature. Its controller gains life equal to its power.

Creatures you control have double strike and lifelink.

Whenever a creature token leaves the battlefield, put a +1/+1 counter on Twilight Drover.

{2}{W}, Remove a +1/+1 counter from Twilight Drover: Create two 1/1 white Spirit creature tokens with flying.

Return target creature card from your graveyard to the battlefield.

Flashback {3}{W} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Constellation -- Whenever Underworld Coinsmith or another enchantment enters the battlefield under your control, you gain 1 life.

{W}{B}, Pay 1 life: Each opponent loses 1 life.

Exile target nonland permanent.

Search your library for a card, then shuffle and put that card on top. You lose 2 life.

Destroy target permanent.

Creatures you control have lifelink.

{2}{B}{B}, {T}: Return target creature card from your graveyard to the battlefield. It gains haste. Exile it at the beginning of the next end step. If it would leave the battlefield, exile it instead of putting it anywhere else. Activate only as a sorcery.