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}.

Sacrifice a creature: Target player mills cards equal to the sacrificed creature's power.

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.

{T}: Untap target artifact or creature.

Morph {U} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.)

{T}, Exile cards from your graveyard equal to the number of opponents you have: Target creature card in your graveyard gains encore until end of turn. The encore cost is equal to its mana cost. (Exile the creature card and pay its mana cost: For each opponent, create a token copy that attacks that opponent this turn if able. They gain haste. Sacrifice them at the beginning of the next end step. Activate only as a sorcery.)

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

When Archaeomancer enters the battlefield, return target instant or sorcery card from your graveyard to your hand.

Spells and abilities your opponents control can't cause their controller to search their library.

-1: Target player mills four cards. Then exile each opponent's graveyard.

Sacrifice a creature: Add {C}{C}.

Deathtouch

Whenever another nontoken creature you control dies, Body Launderer connives.

When Body Launderer dies, return another target non-Rogue creature card with equal or lesser power from your graveyard to the battlefield.

Target player mills three cards.

Storm (When you cast this spell, copy it for each spell cast before it this turn. You may choose new targets for the copies.)

Search your library for up to three creature cards, put them into your graveyard, then shuffle.

Add {B}{B}{B}.

Threshold -- Add {B}{B}{B}{B}{B} instead if seven or more cards are in your graveyard.

Lifelink

When Cavalier of Night enters the battlefield, you may sacrifice another creature. When you do, destroy target creature an opponent controls.

When Cavalier of Night dies, return target creature card with mana value 3 or less from your graveyard to the battlefield.

{T}: Add {U}.

{T}: Add {B}.

Flying

When Cloud of Faeries enters the battlefield, untap up to two lands.

Cycling {2} ({2}, Discard this card: Draw a card.)

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

Enchant creature card in a graveyard

When Dance of the 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 Dance of the Dead." Put enchanted creature card onto the battlefield tapped under your control and attach Dance of the Dead to it. When Dance of the Dead leaves the battlefield, that creature's controller sacrifices it.

Enchanted creature gets +1/+1 and doesn't untap during its controller's untap step.

At the beginning of the upkeep of enchanted creature's controller, that player may pay {1}{B}. If the player does, untap that creature.

Add {B}{B}{B}.

Target creature gets -1/-1 until end of turn.

Dredge 3 (If you would draw a card, you may mill three cards instead. If you do, return this card from your graveyard to your hand.)

Shadow (This creature can block or be blocked by only creatures with shadow.)

If a card would be put into an opponent's graveyard from anywhere, instead exile it with a void counter on it.

{T}, Sacrifice Dauthi Voidwalker: Choose an exiled card an opponent owns with a void counter on it. You may play it this turn without paying its mana cost.

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

Flying, trample

Pay 2 life: 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.)

Return target creature card from your graveyard to the battlefield.

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

Drowned Catacomb enters the battlefield tapped unless you control an Island or a Swamp.

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

This spell costs {1} less to cast for each artifact you control.

When Emry, Lurker of the Loch enters the battlefield, mill four cards.

{T}: Choose target artifact card in your graveyard. You may cast that card this turn. (You still pay its costs. Timing rules still apply.)

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

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

{T}: You may tap or untap another target permanent.

Unearth {U} ({U}: Return this card from your graveyard to the battlefield. It gains haste. Exile it at the beginning of the next end step or if it would leave the battlefield. Unearth only as a sorcery.)

If you control a commander, you may cast this spell without paying its mana cost.

Counter target noncreature spell.

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}.

Target player mills ten cards.

When Golgari Thug dies, put target creature card from your graveyard on top of your library.

Dredge 4 (If you would draw a card, you may mill four cards instead. If you do, return this card from your graveyard to your hand.)

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.)

Creature spells you cast cost {2} less to cast.

Creatures you control get -1/-1.

Landfall -- Whenever a land enters the battlefield under your control, target player mills three cards.

Flying, ward {3}

When Kairi, the Swirling Sky dies, choose one --

• Return any number of target nonland permanents with total mana value 6 or less to their owners' hands.

• Mill six cards, then return up to two instant and/or sorcery cards from your graveyard to your hand.

Flying

Whenever a player casts their second spell each turn, Ledger Shredder connives. (Draw a card, then discard a card. If you discarded a nonland card, put a +1/+1 counter on this creature.)

Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for {1} or one mana of that creature's color.)

Destroy target creature or planeswalker. Each creature that convoked Lethal Scheme connives. (Draw a card, then discard a card. If you discarded a nonland card, put a +1/+1 counter on that creature.)

Spells can't be countered.

Each instant and sorcery card in your graveyard has flashback. The flashback cost is equal to that card's mana cost.

Each player exiles all creature cards from their graveyard, then sacrifices all creatures they control, then puts all cards they exiled this way onto the battlefield.

{T}: Draw two cards, then discard three 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.

Whenever a permanent becomes untapped, that permanent's controller mills a card.

{T}: Add {U}.

{U}, {T}: Untap target legendary permanent.

You may cast Necromancy as though it had flash. If you cast it any time a sorcery couldn't have been cast, the controller of the permanent it becomes sacrifices it at the beginning of the next cleanup step.

When Necromancy enters the battlefield, if it's on the battlefield, it becomes an Aura with "enchant creature put onto the battlefield with Necromancy." Put target creature card from a graveyard onto the battlefield under your control and attach Necromancy to it. When Necromancy leaves the battlefield, that creature's controller sacrifices it.

{T}: Add {C}.

{2}, {T}: Choose a color. Add an amount of mana of that color equal to your devotion to that color. (Your devotion to a color is the number of mana symbols of that color in the mana costs of permanents you control.)

At the beginning of your upkeep, put two eon counters on Out of the Tombs, then mill cards equal to the number of eon counters on it.

If you would draw a card while your library has no cards in it, instead return a creature card from your graveyard to the battlefield. If you can't, you lose the game.

Counter target spell.

At the beginning of your next upkeep, pay {3}{U}{U}. If you don't, you lose the game.

Flying

When Peregrine Drake enters the battlefield, untap up to five lands.

{T}: Mill two cards.

{2}, Exile Perpetual Timepiece: Shuffle any number of target cards from your graveyard into your library.

Return target nonlegendary creature card from your graveyard to the battlefield with a -1/-1 counter on it.

You may have Phantasmal Image enter the battlefield as a copy of any creature on the battlefield, except it's an Illusion in addition to its other types and it has "When this creature becomes the target of a spell or ability, sacrifice it."

Whenever another creature you control dies, create a Treasure token. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.")

As an additional cost to cast this spell, you may sacrifice one or more creatures. When you do, copy this spell for each creature sacrificed this way.

You draw a card and you lose 1 life.

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

Flying, trample

Pay 2 life, Sacrifice another creature: Search your library for a card, put that card into your hand, then shuffle.

Put target creature card from a graveyard onto the battlefield under your control. You lose life equal to its mana value.

When Scholar of the Ages enters the battlefield, return up to two target instant and/or sorcery cards from your graveyard to your hand.

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

Add {B} for each creature card in your graveyard.

When Spellseeker enters the battlefield, you may search your library for an instant or sorcery card with mana value 2 or less, reveal it, put it into your hand, then shuffle.

Flying

Whenever Stinkweed Imp deals combat damage to a creature, destroy that creature.

Dredge 5 (If you would draw a card, you may mill five cards instead. If you do, return this card from your graveyard to your hand.)

When Stitcher's Supplier enters the battlefield or dies, mill three cards.

{T}: Add {C}.

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

{T}: Add {B}.

Channel -- {3}{B}, Discard Takenuma, Abandoned Mire: Mill three cards, then return a creature or planeswalker card from your graveyard to your hand. This ability costs {1} less to activate for each legendary creature you control.

You may activate loyalty abilities of Teferi, Master of Time on any player's turn any time you could cast an instant.

+1: Draw a card, then discard a card.

-3: Target creature you don't control phases out. (Treat it and anything attached to it as though they don't exist until its controller's next turn.)

-10: Take two extra turns after this one.

Other blue creatures you control have "Whenever this creature becomes tapped, draw a card, then discard a card."

Other artifact creatures you control get +1/+1.

{U/P}: Until end of turn, target creature you control becomes a blue artifact in addition to its other colors and types. Activate only as a sorcery. ({U/P} can be paid with either {U} or 2 life.)

Whenever Undead Augur or another Zombie you control dies, you draw a card and you lose 1 life.

{1}, Sacrifice a creature: Target player reveals cards from the top of their library until they reveal a land card, then puts those cards into their graveyard.

{T}: Add {C}.

{T}: Add {U} or {B}. Underground River deals 1 damage to you.

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

Choose two target creature cards in your graveyard. Sacrifice a creature. If you do, return the chosen cards to the battlefield tapped.

{T}: Untap another target permanent.

Cycling {1}{U} ({1}{U}, Discard this card: Draw a card.)

When you cycle Vizier of Tumbling Sands, untap target permanent.

{T}: Draw a card, then discard a card. If you discarded an instant or sorcery card this way, each opponent loses 1 life and you gain 1 life.

{2}, Sacrifice Vohar, Vodalian Desecrator: You may cast target instant or sorcery card from your graveyard this turn. If that spell would be put into your graveyard, exile it instead. Activate only as a sorcery.

Cast this spell only during combat on an opponent's turn.

Return X target creature cards from your graveyard to the battlefield. Sacrifice those creatures at the beginning of the next end step.

({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.

Protection from Humans

Pay 1 life, Sacrifice another creature: Put a -1/-1 counter on up to one target creature and draw a card.

{B}{B}, Discard a card: Proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)