Each spell you cast that's a Demon, Horror, or Nightmare costs {1} less to cast. Whenever you cast a spell, if the amount of mana spent to cast it was less than its mana value, target opponent loses life equal to the difference.

Counter target spell. Its controller may draw up to two cards at the beginning of the next turn's upkeep. You draw a card at the beginning of the next turn's upkeep.

{T}: Add one mana of any color in your commander's color identity.

Creatures you control have flying. Creatures your opponents control lose flying and can't have or gain flying.

Indestructible As long as your devotion to white and black is less than seven, Athreos isn't a creature. At the beginning of your end step, put a coin counter on another target creature. Whenever a creature with a coin counter on it dies or is put into exile, return that card to the battlefield under your control.

{1}, {T}: Add {W}{U}.

{T}: Add one mana of any color in your commander's color identity. Sacrifice this artifact: Draw a card.

Enchant player Whenever enchanted player is attacked, create a 2/2 black Zombie creature token. Each opponent attacking that player does the same.

Enchant player At the beginning of enchanted player's upkeep, that player reveals cards from the top of their library until they reveal a creature card. Put that card onto the battlefield under your control. That player puts the rest of the revealed cards into their graveyard.

Flying, trample Once during each of your turns, you may cast an enchantment spell by paying life equal to its mana value rather than paying its mana cost. {2}{B}, Sacrifice another enchantment: This creature gets +X/+0 until end of turn, where X is the sacrificed enchantment's mana value.

When this enchantment enters, you may exile target nonland permanent not named Detention Sphere and all other permanents with the same name as that permanent. When this enchantment leaves the battlefield, return the exiled cards to the battlefield under their owner's control.

{1}, {T}: Add {U}{B}.

Constellation — Whenever this creature or another enchantment you control enters, creatures your opponents control get -1/-1 until end of turn.

Flash Whenever a creature you control deals combat damage to a player, draw a card. When Enduring Curiosity dies, if it was a creature, return it to the battlefield under its owner's control. It's an enchantment. (It's not a creature.)

Exile target artifact, enchantment, or creature with power 4 or greater.

At the beginning of your upkeep, create a token that's a copy of another target nonland permanent you control.

Flash When this creature enters, counter target spell. Its controller manifests dread. (That player looks at the top two cards of their library, then puts one onto the battlefield face down as a 2/2 creature and the other into their graveyard. If it's a creature card, it can be turned face up any time for its mana cost.)

Flying Eerie — Whenever this creature or another enchantment you control enters and whenever you fully unlock a Room, tap up to one target creature and put a stun counter on it. Stun counters can't be removed from permanents your opponents control. (They won't untap if they have stun counters.)

Flying When this creature enters, return an enchantment card from your graveyard to your hand or unlock a locked door of a Room you control. Eerie — Whenever an enchantment you control enters and whenever you fully unlock a Room, create a 3/1 white Spirit creature token with flying.

Creatures can't attack you unless their controller pays {2} for each creature they control that's attacking you.

Enchant player Enchanted player can't gain life. Whenever enchanted player is dealt damage, they lose half their life, rounded up.

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

You may have this enchantment enter as a copy of any artifact or enchantment on the battlefield.

Whenever an opponent casts their second spell each turn, you create a Treasure token.

Flying Whenever another nontoken creature you control dies, you may exile it. If you do, create a token that's a copy of that creature, except it's 1/1 and it's a Nightmare in addition to its other types.

You may look at the top card of your library any time. You may play lands and cast spells from the top of your library. Once during each of your turns, you may cast a spell from your hand or the top of your library without paying its mana cost.

{1}, {T}: Add {W}{B}.

Impending 5—{1}{B} (If you cast this spell for its impending cost, it enters with five time counters and isn't a creature until the last is removed. At the beginning of your end step, remove a time counter from it.) Whenever this permanent enters or attacks, mill four cards, then you may return a non-Avatar creature card or a planeswalker card from your graveyard to your hand.

Return all artifact and enchantment cards from your graveyard to the battlefield. Miracle {3}{W} (You may cast this card for its miracle cost when you draw it if it's the first card you drew this turn.)

Commander creatures you own have "The first time you would draw a card each turn, instead look at the top two cards of your library. Put one of them into your graveyard and the other back on top of your library. Then draw a card."

Whenever you cast a noncreature spell, create an X/X blue Shark creature token with flying, where X is that spell's mana value. Cycling {X}{1}{U} ({X}{1}{U}, Discard this card: Draw a card.) When you cycle this card, create an X/X blue Shark creature token with flying.

Whenever you cast an enchantment spell, create a 4/4 white Angel creature token with flying.

Flying Other enchantment creatures you control have flying. Whenever you attack a player, create a 1/1 white Glimmer enchantment creature token that's tapped and attacking that player.

{T}: Add {C}{C}.

When this creature enters, draw a card.

Enchantment spells you cast cost {1} less to cast. Whenever an enchantment you control is put into a graveyard from the battlefield, put a +1/+1 counter on this creature.

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

Flying When The Master of Keys enters, put X +1/+1 counters on it and mill twice X cards. Each enchantment card in your graveyard has escape. The escape cost is equal to the card's mana cost plus exile three other cards from your graveyard. (You may cast cards from your graveyard for their escape cost.)

Enchant player Whenever a creature enchanted player controls enters, that player loses 1 life and you gain 1 life.

Destroy target creature. Its controller manifests dread. (That player looks at the top two cards of their library, then puts one onto the battlefield face down as a 2/2 creature and the other into their graveyard. If it's a creature card, it can be turned face up any time for its mana cost.)

Eerie — Whenever an enchantment you control enters and whenever you fully unlock a Room, surveil 2 if this is the first time this ability has resolved this turn. If it's the second time, each opponent discards a card. If it's the third time, put a creature card from a graveyard onto the battlefield under your control.

Enchant creature Enchanted creature gets +1/+1, has deathtouch, and is goaded. When enchanted creature dies, return this card to the battlefield at the beginning of the next end step.

As long as you control seven or more enchantments, creatures you control have flying and vigilance. Whenever you cast an enchantment spell, create a white Spirit Cleric creature token with "This token's power and toughness are each equal to the number of Spirits you control."

Impending 4—{2}{W}{W} (If you cast this spell for its impending cost, it enters with four time counters and isn't a creature until the last is removed. At the beginning of your end step, remove a time counter from it.) Whenever this permanent enters or attacks, create two 2/1 white Insect creature tokens with flying.

Put a card from your hand on top of your library: The next time a black or red source of your choice would deal damage this turn, prevent that damage.

At the beginning of your upkeep, you may return target enchantment card from your graveyard to the battlefield. As long as you control five or more enchantments, each other non-Aura enchantment you control is a creature in addition to its other types and has base power and base toughness each equal to its mana value.

Flying Lifelink (Damage dealt by this creature also causes you to gain that much life.) Pegasus creatures you control have lifelink. Constellation — Whenever an enchantment you control enters, create a 2/2 white Pegasus creature token with flying.

Whenever a creature you control deals combat damage to a player, you may draw a card. {1}{U}, {T}: Creatures your opponents control attack this turn if able.

Enchant creature You control enchanted creature.

Enchant creature you control At the beginning of your upkeep, create a token that's a copy of enchanted creature, except the token is 1/1. When enchanted creature dies, if that creature was a Horror, return this card to its owner's hand.

You may look at an additional two cards each time you surveil. Exile this enchantment: Shuffle your graveyard into your library.

Indestructible As long as your devotion to white and blue is less than seven, Ephara isn't a creature. At the beginning of each upkeep, if you had another creature enter the battlefield under your control last turn, draw a card.

Creatures you control have myriad. (Whenever a creature with myriad attacks, for each opponent other than defending player, you may create a token copy that's tapped and attacking that player or a planeswalker they control. Exile the tokens at end of combat.)

When this enchantment enters, create X 1/1 white Vampire creature tokens with lifelink. At the beginning of your upkeep, if your devotion to white and black is seven or greater, create a 4/3 white and black Vampire Demon creature token with flying.

Flying, vigilance Whenever you surveil, put a +1/+1 counter on Mirko. At the beginning of your end step, you may return target creature card with power less than Mirko's from your graveyard to the battlefield with a finality counter on it. (If it would die, exile it instead.)

Impending 4—{1}{U}{U} (If you cast this spell for its impending cost, it enters with four time counters and isn't a creature until the last is removed. At the beginning of your end step, remove a time counter from it.) Flying Whenever this permanent enters or attacks, draw two cards, then discard a card.

Creatures can't attack you unless their controller pays {2} for each creature they control that's attacking you.

This creature can't be blocked. Whenever this creature deals combat damage to a player, choose one that hasn't been chosen — • Put two +1/+1 counters on this creature. • Draw a card. • This creature becomes a copy of another target creature you control.

At the beginning of each end step, draw a card for each opponent who drew two or more cards this turn, then create a Treasure token for each opponent who had two or more lands enter the battlefield under their control this turn.

Creatures you control get +1/+1. {1}{W}{W}, {T}: Destroy target creature that dealt damage to you this turn.

Enchant creature you control Whenever enchanted creature deals damage, you gain that much life. When this Aura is put into a graveyard from the battlefield, return it to its owner's hand.

Enchant opponent At the beginning of enchanted opponent's end step, you and that player each draw a card. When you attack enchanted opponent or a planeswalker they control or when they attack you or a planeswalker you control, sacrifice this Aura.