Return from your graveyard to the battlefield any number of target creature cards that each have a different mana value X or less.

As Agadeem, the Undercrypt enters the battlefield, you may pay 3 life. If you don't, it enters the battlefield tapped.

{T}: Add {B}.

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

Backup 1 (When this creature enters the battlefield, put a +1/+1 counter on target creature. If that's another creature, it gains the following abilities until end of turn.)

Deathtouch

Whenever this creature deals combat damage to a player or battle, return target creature card from your graveyard to the battlefield.

Whenever a creature you control attacks or a creature enters the battlefield under your control attacking, you may pay {1}{R}. If you do, you may put a creature card with mana value less than that creature's mana value from your hand onto the battlefield tapped and attacking.

When Author of Shadows enters the battlefield, exile all opponents' graveyards. Choose a nonland card exiled this way. You may cast that card for as long as it remains exiled, and you may spend mana as though it were mana of any color to cast that spell.

({T}: Add {B} or {R}.)

Flying, deathtouch

When Baleful Strix enters the battlefield, draw a card.

As an additional cost to cast this spell, discard a card.

Draw two cards and create two Treasure tokens. (They're artifacts with "{T}, Sacrifice this artifact: Add one mana of any color.")

{T}: Add {B}.

{T}: Add {R}.

({T}: Add {B} or {R}.)

As Blood Crypt enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped.

Bojuka Bog enters the battlefield tapped.

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

{T}: Add {B}.

As an additional cost to cast this spell, sacrifice a creature or discard a card.

Destroy target creature or planeswalker.

When Brass's Tunnel-Grinder enters the battlefield, discard any number of cards, then draw that many cards plus one.

At the beginning of your end step, if you descended this turn, put a bore counter on Brass's Tunnel-Grinder. Then if there are three or more bore counters on it, remove those counters and transform it. (You descended if a permanent card was put into your graveyard from anywhere.)

(Transforms from Brass's Tunnel-Grinder.)

{T}: Add {R}.

Whenever you cast a permanent spell using mana produced by Tecutlan, the Searing Rift, discover X, where X is that spell's mana value.

Flying

When Burning-Rune Demon enters the battlefield, you may search your library for exactly two cards not named Burning-Rune Demon that have different names. If you do, reveal those cards. An opponent chooses one of them. Put the chosen card into your hand and the other into your graveyard, then shuffle.

Haste

Whenever Calamity, Galloping Inferno attacks while saddled, choose a nonlegendary creature that saddled it this turn and create a tapped and attacking token that's a copy of it. Sacrifice that token at the beginning of the next end step. Repeat this process once.

Saddle 1

As Cavern of Souls enters the battlefield, choose a creature type.

{T}: Add {C}.

{T}: Add one mana of any color. Spend this mana only to cast a creature spell of the chosen type, and that spell can't be countered.

{T}: Add {U}.

{T}: Add {B}.

{2}, {T}: Draw a card, then discard a card. Create a Treasure token. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.")

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

Choose one --

• Look at the top four cards of your library. Put one of them into your hand and the rest into your graveyard.

• Counter target spell unless its controller pays {4}.

Crumbling Necropolis enters the battlefield tapped.

{T}: Add {U}, {B}, or {R}.

{T}: Add {R}.

As Cursed Mirror enters the battlefield, you may have it become a copy of any creature on the battlefield until end of turn, except it has haste.

Dakmor Salvage enters the battlefield tapped.

{T}: Add {B}.

Dredge 2 (If you would draw a card, you may mill two cards instead. If you do, return this card from your graveyard to your hand.)

Destroy all creatures. They can't be regenerated.

Choose one --

• Counter target artifact or enchantment spell. If a spell is countered this way, exile it instead of putting it into its owner's graveyard.

• Counter target activated or triggered ability.

Whenever Delina, Wild Mage attacks, choose target creature you control, then roll a d20.

1--14 | Create a tapped and attacking token that's a copy of that creature, except it's not legendary and it has "At end of combat, exile this creature."

15--20 | Create one of those tokens. You may roll again.

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

When Dogged Detective enters the battlefield, 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.)

Whenever an opponent draws their second card each turn, you may return Dogged Detective from your graveyard to your hand.

Undying (When this creature dies, if it had no +1/+1 counters on it, return it to the battlefield under its owner's control with a +1/+1 counter on it.)

Whenever Flayer of the Hatebound or another creature enters the battlefield from your graveyard, that creature deals damage equal to its power to any target.

Draw two cards, then discard two cards. Untap up to three lands.

Double strike

When Fury enters the battlefield, it deals 4 damage divided as you choose among any number of target creatures and/or planeswalkers.

Evoke--Exile a red card from your hand.

{T}: Add {C}.

{2}, {T}: Each player draws a card, then discards a card.

You may have Glasspool Mimic enter the battlefield as a copy of a creature you control, except it's a Shapeshifter Rogue in addition to its other types.

Glasspool Shore enters the battlefield tapped.

{T}: Add {U}.

Haunted Ridge enters the battlefield tapped unless you control two or more other lands.

{T}: Add {B} or {R}.

Trample

Whenever Ilharg, the Raze-Boar attacks, you may put a creature card from your hand onto the battlefield tapped and attacking. Return that creature to your hand at the beginning of the next end step.

When Ilharg, the Raze-Boar dies or is put into exile from the battlefield, you may put it into its owner's library third from the top.

Draw two cards. Then you may discard two cards. When you do, Ill-Timed Explosion deals X damage to each creature, where X is the greatest mana value among cards discarded this way.

Cleave {3}{U}{U} (You may cast this spell for its cleave cost. If you do, remove the words in square brackets.)

Draw three cards. [Your maximum hand size is reduced by three for the rest of the game.]

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

Choose one --

• Counter target noncreature spell unless its controller pays {2}.

• Izzet Charm deals 2 damage to target creature.

• Draw two cards, then discard two cards.

Whenever you attack, if it's the first combat phase of the turn, untap all attacking creatures. They gain first strike until end of turn. After this phase, there is an additional combat phase.

Choose a Background (You can have a Background as a second commander.)

Draw three cards.

Islandcycling {1} ({1}, Discard this card: Search your library for an Island card, reveal it, put it into your hand, then shuffle.)

Choose one --

• Look at the top five cards of your library. Put one of those cards into your hand and the rest into your graveyard.

• Each opponent loses 3 life and you gain 3 life.

• Maestros Charm deals 5 damage to target creature or planeswalker.

{1}{R}, {T}, Sacrifice Magus of the Wheel: Each player discards their hand, then draws seven cards.

When Massacre Wurm enters the battlefield, creatures your opponents control get -2/-2 until end of turn.

Whenever a creature an opponent controls dies, that player loses 2 life.

When Master of Death enters the battlefield, 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.)

At the beginning of your upkeep, if Master of Death is in your graveyard, you may pay 1 life. If you do, return it to your hand.

Mirrorpool enters the battlefield tapped.

{T}: Add {C}.

{2}{C}, {T}, Sacrifice Mirrorpool: Copy target instant or sorcery spell you control. You may choose new targets for the copy.

{4}{C}, {T}, Sacrifice Mirrorpool: Create a token that's a copy of target creature you control.

Whenever you attack, each opponent loses X life and you gain X life, where X is the number of attacking creatures. If Mishra, Claimed by Gix and a creature named Phyrexian Dragon Engine are attacking, and you both own and control them, exile them, then meld them into Mishra, Lost to Phyrexia. It enters the battlefield tapped and attacking.

Flash

When Misleading Signpost enters the battlefield during the declare attackers step, you may reselect which player or permanent target attacking creature is attacking. (It can't attack its controller or their permanents.)

{T}: Add {U}.

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

Flying

When Mulldrifter enters the battlefield, draw two cards.

Evoke {2}{U} (You may cast this spell for its evoke cost. If you do, it's sacrificed when it enters the battlefield.)

Blue spells and red spells you cast cost {1} less to cast.

{1}{B}: Regenerate Nightscape Familiar.

{T}: The player whose turn it is may end the turn. (Exile all spells and abilities from the stack. The player whose turn it is discards down to their maximum hand size. Damage wears off, and "this turn" and "until end of turn" effects end.)

Flying

When Palinchron enters the battlefield, untap up to seven lands.

{2}{U}{U}: Return Palinchron to its owner's hand.

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

Double strike

When Phyrexian Dragon Engine enters the battlefield from your graveyard, you may discard your hand. If you do, draw three cards.

Unearth {3}{R}{R}

(Melds with Mishra, Claimed by Gix.)

Imprint -- When Phyrexian Ingester enters the battlefield, you may exile target nontoken creature.

Phyrexian Ingester gets +X/+Y, where X is the exiled creature card's power and Y is its toughness.

As an additional cost to cast this spell, discard a card.

Draw two cards and create two Treasure tokens. (They're artifacts with "{T}, Sacrifice this artifact: Add one mana of any color.")

{T}, Pay 1 life, Sacrifice Polluted Delta: Search your library for an Island or Swamp card, put it onto the battlefield, then shuffle.

Whenever a permanent an opponent controls is put into a graveyard, put that card onto the battlefield under your control unless that opponent pays 3 life.

{T}, Pay 1 life, Sacrifice Prismatic Vista: Search your library for a basic land card, put it onto the battlefield, then shuffle.

Discard your hand, then draw four cards. For each card discarded this way, creatures you control get +1/+0 until end of turn.

Plot {3}{R} (You may pay {3}{R} and exile this card from your hand. Cast it as a sorcery on a later turn without paying its mana cost. Plot only as a sorcery.)

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

({T}: Add {B} or {R}.)

Raucous Theater enters the battlefield tapped.

When Raucous Theater enters the battlefield, surveil 1. (Look at the top card of your library. You may put it into your graveyard.)

Draw X cards. For each card drawn this way, discard a card unless you sacrifice a permanent.

{T}: Add one mana of any type that a land you control could produce.

{T}: Add one mana of any color.

Tap an untapped legendary creature you control: Add one mana of any color.

Restless Spire enters the battlefield tapped.

{T}: Add {U} or {R}.

{U}{R}: Until end of turn, Restless Spire becomes a 2/1 blue and red Elemental creature with "As long as it's your turn, this creature has first strike." It's still a land.

Whenever Restless Spire attacks, scry 1.

Restless Vents enters the battlefield tapped.

{T}: Add {B} or {R}.

{1}{B}{R}: Until end of turn, Restless Vents becomes a 2/3 black and red Insect creature with menace. It's still a land.

Whenever Restless Vents attacks, you may discard a card. If you do, draw a card.

{T}: Add {U}.

{T}: Add {R}.

{T}, Pay 1 life, Sacrifice Scalding Tarn: Search your library for an Island or Mountain card, put it onto the battlefield, then shuffle.

Each creature card in your graveyard has unearth {2}{B}. ({2}{B}: Return the card to the battlefield. The creature gains haste. Exile it at the beginning of the next end step or if it would leave the battlefield. Unearth only as a sorcery.)

Each opponent chooses fame or fortune. For each player who chose fame, gain control of a creature that player controls until end of turn. Untap those creatures and they gain haste until end of turn. For each player who chose fortune, you draw a card and create a Treasure token.

Intimidate (This creature can't be blocked except by artifact creatures and/or creatures that share a color with it.)

When Sepulchral Primordial enters the battlefield, for each opponent, you may put up to one target creature card from that player's graveyard onto the battlefield under your control.

When Shadowgrange Archfiend enters the battlefield, each opponent sacrifices a creature with the greatest power among creatures they control. You gain life equal to the greatest power among creatures sacrificed this way.

Madness--{2}{B}, Pay 8 life. (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.)

Enchant creature

Enchanted creature has haste and "At the beginning of your upkeep, destroy this creature. Reveal cards from the top of your library until you reveal a creature card. Put that card onto the battlefield and attach Shifting Shadow to it, then put all other cards revealed this way on the bottom of your library in a random order."

Shipwreck Marsh enters the battlefield tapped unless you control two or more other lands.

{T}: Add {U} or {B}.

{R}: You may put a creature card from your hand onto the battlefield. That creature gains haste. Sacrifice the creature at the beginning of the next end step.

When Solemn Simulacrum enters the battlefield, you may search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.

When Solemn Simulacrum dies, you may draw a card.

({T}: Add {U} or {R}.)

As Steam Vents enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped.

Stormcarved Coast enters the battlefield tapped unless you control two or more other lands.

{T}: Add {U} or {R}.

{1}, {T}: End the turn. Activate only during your turn. (Exile all spells and abilities from the stack. Discard down to your maximum hand size. Damage wears off, and "this turn" and "until end of turn" effects end.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

Equipped creature gets +2/+2 and has protection from black and from green.

Whenever equipped creature deals combat damage to a player, that player discards a card and you untap all lands you control.

Equip {2}

Indestructible

As long as your devotion to blue is less than five, Thassa isn't a creature.

At the beginning of your end step, exile up to one other target creature you control, then return that card to the battlefield under your control.

{3}{U}: Tap another target creature.

The Enigma Jewel enters the battlefield tapped.

{T}: Add {C}{C}. Spend this mana only to activate abilities.

Craft with four or more nonlands with activated abilities {8}{U} ({8}{U}, Exile this artifact, Exile the four or more from among other permanents you control and/or cards in your graveyard: Return this card transformed under its owner's control. Craft only as a sorcery.)

Locus of Enlightenment has each activated ability of the exiled cards used to craft it. You may activate each of those abilities only once each turn.

Whenever you activate an ability that isn't a mana ability, copy it. You may choose new targets for the copy.

Spree (Choose one or more additional costs.)

+ {1}{U} -- Counter target spell.

+ {3} -- Create a token that's a copy of target artifact or creature you control.

+ {2} -- Draw two cards, then discard a card.

({T}: Add {U} or {R}.)

Thundering Falls enters the battlefield tapped.

When Thundering Falls enters the battlefield, surveil 1. (Look at the top card of your library. You may put it into your graveyard.)

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

All creatures get -X/-X until end of turn.

({T}: Add {U} or {B}.)

Undercity Sewers enters the battlefield tapped.

When Undercity Sewers enters the battlefield, surveil 1. (Look at the top card of your library. You may put it into your graveyard.)

Each land is a Swamp in addition to its other land types.

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

---

Target creature gets -3/-3 until end of turn. You gain 2 life.

({T}: Add {U} or {B}.)

As Watery Grave enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped.

({T}: Add {U}, {B}, or {R}.)

Xander's Lounge enters the battlefield tapped.

Cycling {3} ({3}, Discard this card: Draw a card.)

Choose one --

• Foil Their Scheme -- Counter target spell.

• Learn Their Secrets -- Draw two cards, then discard two cards.