Once during each of your turns, you may cast a spell from your hand by paying life equal to its mana value rather than paying its mana cost.

(You may cast either half. That door unlocks on the battlefield. As a sorcery, you may pay the mana cost of a locked door to unlock it.)

You may play an additional land on each of your turns.

Landfall — Whenever a land you control enters, you may draw a card.

At the beginning of your upkeep, surveil 2. (Look at the top two cards of your library, then put any number of them into your graveyard and the rest on top of your library in any order.)

Each enchantment card in your hand has miracle. Its miracle cost is equal to its mana cost reduced by . (You may cast a card for its miracle cost when you draw it if it's the first card you drew this turn.)

Each spell you cast that's a Demon, Horror, or Nightmare costs 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.

: Add one mana of any color in your commander's color identity.

Flying

Whenever Archon of Cruelty enters or attacks, target opponent sacrifices a creature or planeswalker of their choice, discards a card, and loses 3 life. You draw a card and gain 3 life.

Arvinox, the Mind Flail isn't a creature unless you control three or more permanents you don't own.

At the beginning of your end step, exile the bottom card of each opponent's library face down. For as long as those cards remain exiled, you may look at them, you may cast permanent spells from among them, and you may spend mana as though it were mana of any color to cast those spells.

Ashaya, Soul of the Wild's power and toughness are each equal to the number of lands you control.

Nontoken creatures you control are Forest lands in addition to their other types. (They're still affected by summoning sickness.)

You may look at the top card of your library any time.

You may play lands from the top of your library.

Coven — As long as you control three or more creatures with different powers, you may cast creature spells from the top of your library.

Azorius Chancery enters tapped.

When Azorius Chancery enters, return a land you control to its owner's hand.

: Add .

First strike, haste

Whenever a player taps a land for mana, if Barbflare Gremlin is tapped, that player adds one mana of any type that land produced. Then that land deals 1 damage to that player.

Equipped creature has deathtouch and lifelink. (Any amount of damage it deals to a creature is enough to destroy it. Damage dealt by this creature also causes you to gain that much life.)

Equip (: Attach to target creature you control. Equip only as a sorcery.)

Beanstalk Giant's power and toughness are each equal to the number of lands you control.

Destroy target artifact, creature, or planeswalker.

Creatures you control have base power and toughness X/X until end of turn.

This spell costs less to cast for each creature on the battlefield.

Blasphemous Act deals 13 damage to each creature.

Target player draws two cards and loses 2 life.

This land enters tapped.

When this land enters, you gain 1 life.

: Add or .

Bojuka Bog enters tapped.

When Bojuka Bog enters, exile target player's graveyard.

: Add .

, , Sacrifice Brainstone: Draw three cards, then put two cards from your hand on top of your library in any order.

Indestructible

Whenever Brash Taunter is dealt damage, it deals that much damage to target opponent.

, : Brash Taunter fights another target creature.

Create a token that's a copy of target creature you control.

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

Carrion Grub gets +X/+0, where X is the greatest power among creature cards in your graveyard.

When Carrion Grub enters, mill four cards. (Put the top four cards of your library into your graveyard.)

Castle Vantress enters tapped unless you control an Island.

: Add .

, : Scry 2.

Hideaway 5 (When this enchantment enters, look at the top five cards of your library, exile one face down, then put the rest on the bottom in a random order.)

At the beginning of your upkeep, you may mill three cards. Then if there are twenty or more cards in your graveyard, you may play the exiled card without paying its mana cost.

Creatures you control have ": Add ."

: Add one mana of any color in your commander's color identity.

Destroy up to one target artifact, up to one target creature, and up to one target enchantment.

Delirium — Then if there are four or more card types among cards in your graveyard, create an X/X green Ooze creature token, where X is the total mana value of permanents destroyed this way.

When you unlock this door, this Room deals 6 damage to target creature an opponent controls. You gain life equal to the excess damage dealt this way.

(You may cast either half. That door unlocks on the battlefield. As a sorcery, you may pay the mana cost of a locked door to unlock it.)

Extort (Whenever you cast a spell, you may pay . If you do, each opponent loses 1 life and you gain that much life.)

Whenever you tap a Swamp for mana, add an additional .

Search your library for up to two basic land cards, reveal those cards, put one onto the battlefield tapped and the other into your hand, then shuffle.

Destroy target creature. A creature destroyed this way can't be regenerated.

Overload (You may cast this spell for its overload cost. If you do, change "target" in its text to "each.")

When Deadbridge Chant enters, mill ten cards.

At the beginning of your upkeep, choose a card at random in your graveyard. If it's a creature card, put it onto the battlefield. Otherwise, put it into your hand.

Deathtouch

Whenever a permanent you control is turned face up, you may return Deathmist Raptor from your graveyard to the battlefield face up or face down.

Megamorph (You may cast this card face down as a 2/2 creature for . Turn it face up any time for its megamorph cost and put a +1/+1 counter on it.)

Destroy all creatures. They can't be regenerated. Draw a card for each creature destroyed this way.

Cycling (, Discard this card: Draw a card.)

When you cycle Decree of Pain, all creatures get -2/-2 until end of turn.

Trample, haste

Delirium — Whenever Demolisher Spawn attacks, if there are four or more card types among cards in your graveyard, other attacking creatures get +4/+4 until end of turn.

Whenever one or more Demons you control attack a player, you draw a card and lose 1 life.

At the beginning of your end step, create a 5/5 black Demon creature token with flying, then mill two cards. If two cards that share all their card types were milled this way, sacrifice Demonic Covenant.

Delve (Each card you exile from your graveyard while casting this spell pays for .)

Look at the top seven cards of your library. Put two of them into your hand and the rest on the bottom of your library in any order.

Dimir Aqueduct enters tapped.

When Dimir Aqueduct enters, return a land you control to its owner's hand.

: Add .

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

Flash

Flying

When Dream Eater enters, surveil 4. When you do, you may return target nonland permanent an opponent controls to its owner's hand. (To surveil 4, look at the top four cards of your library, then put any number of them into your graveyard and the rest on top of your library in any order.)

(Dryad Arbor isn't a spell, it's affected by summoning sickness, and it has ": Add .")

At the beginning of your end step, target enchantment deals damage equal to its mana value to its controller unless that player sacrifices it.

Draw two cards. You may put a land card from your hand onto the battlefield.

Each player puts a creature card from their graveyard onto the battlefield.

When you unlock this door, manifest dread, then put two +1/+1 counters and a trample counter on that creature.

(You may cast either half. That door unlocks on the battlefield. As a sorcery, you may pay the mana cost of a locked door to unlock it.)

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

Flying

Whenever Falkenrath Noble or another creature dies, target player loses 1 life and you gain 1 life.

Flying

Eerie — Whenever Fear of Sleep Paralysis 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.)