Return target permanent you control and target permanent you don't control to their owners' hands.

Cumulative upkeep {1} (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.) When Ancestral Knowledge enters the battlefield, look at the top ten cards of your library, then exile any number of them and put the rest back on top of your library in any order. When Ancestral Knowledge leaves the battlefield, shuffle your library.

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.

Defender When Barrier of Bones enters the battlefield, surveil 1. (Look at the top card of your library. You may put that card into your graveyard.)

Exile target creature you control, then return that card to the battlefield under its owner's control. Draw a card.

Return target permanent to its owner's hand.

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

Choose a nonland card name. Target player reveals their hand and discards all cards with that name. Flashback—Sacrifice a creature. (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Commander creatures you own have "When this creature enters or leaves the battlefield, draw a card."

As an additional cost to cast this spell, sacrifice a creature. Create X 0/1 black Insect creature tokens, where X is the sacrificed creature's power.

{T}: Add {U}. Cephalid Coliseum deals 1 damage to you. Threshold — {U}, {T}, Sacrifice Cephalid Coliseum: Target player draws three cards, then discards three cards. Activate only if seven or more cards are in your graveyard.

{T}: Add {C}. {T}, Sacrifice Command Beacon: Put your commander into your hand from the command zone.

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

When Conduit Pylons enters the battlefield, surveil 1. (Look at the top card of your library. You may put it into your graveyard.) {T}: Add {C}. {1}, {T}: Add one mana of any color.

Target creature gets -2/-2 until end of turn. Flashback—{1}{B}, Pay 3 life. (You may cast this card from your graveyard for its flashback cost. Then exile it.)

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.)

Target player draws two cards. Flashback—{1}{U}, Pay 3 life. (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Desert of the Glorified enters the battlefield tapped. {T}: Add {B}. Cycling {1}{B} ({1}{B}, Discard this card: Draw a card.)

Desert of the Mindful enters the battlefield tapped. {T}: Add {U}. Cycling {1}{U} ({1}{U}, Discard this card: Draw a card.)

Each player shuffles their hand and graveyard into their library. You exile the top ten cards of your library. Then each player draws up to seven cards.

Dimir Aqueduct enters the battlefield tapped. When Dimir Aqueduct enters the battlefield, return a land you control to its owner's hand. {T}: Add {U}{B}.

Dimir Guildgate enters the battlefield tapped. {T}: Add {U} or {B}.

Dismal Backwater enters the battlefield tapped. When Dismal Backwater enters the battlefield, you gain 1 life. {T}: Add {U} or {B}.

Exile up to two target creatures you control, then return those cards to the battlefield under their owner's control.

Drowned Catacomb enters the battlefield tapped unless you control an Island or a Swamp. {T}: Add {U} or {B}.

{T}: Add {C}. {U}{B}, {T}: Target player mills a card.

Each player shuffles their hand and graveyard into their library, then draws seven cards. Flashback {2}{U} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Return target nonland permanent and all other permanents with the same name as that permanent to their owners' hands.

Target player loses 3 life. You gain 3 life and create three 0/1 colorless Eldrazi Spawn creature tokens. They have "Sacrifice this creature: Add {C}."

Exile target creature you control, then return that card to the battlefield under its owner's control. If it's a Spirit, put a +1/+1 counter on it.

Return target permanent to its owner's hand.

Reveal the top five cards of your library. An opponent separates those cards into two piles. Put one pile into your hand and the other into your graveyard.

({T}: Add {U} or {B}.) Fetid Pools enters the battlefield tapped. Cycling {2} ({2}, Discard this card: Draw a card.)

Return target instant or sorcery card from your graveyard to your hand. Exile Flood of Recollection.

Look at the top four cards of your library. Put one of them into your hand and the rest into your graveyard. Flashback {6}{B} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Exile two target artifacts, creatures, and/or lands you control, then return those cards to the battlefield under your control.

({U/P} can be paid with either {U} or 2 life.) Look at target player's hand. Draw a card.

Defender, flying {T}: Put Gomazoa and each creature it's blocking on top of their owners' libraries, then those players shuffle.

Put target creature on top of its owner's library. Flashback {7}{U} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

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

Counter target spell. If that spell is countered this way, put that card on the top or bottom of its owner's library instead of into that player's graveyard.

{T}: Add {C}. {T}, Pay 1 life: Add {B}. {2}{B}{B}, {T}, Sacrifice a Desert: Put two -1/-1 counters on target creature an opponent controls. Activate only as a sorcery.

{T}: Add {C}. {T}, Pay 1 life: Add {U}. {1}{U}, {T}, Sacrifice a Desert: Target player mills four cards.

({T}: Add {U}.)

Jwar Isle Refuge enters the battlefield tapped. When Jwar Isle Refuge enters the battlefield, you gain 1 life. {T}: Add {U} or {B}.

Players play with the top card of their libraries revealed. {T}, Sacrifice Lantern of Insight: Target player shuffles.

Lonely Sandbar enters the battlefield tapped. {T}: Add {U}. Cycling {U} ({U}, Discard this card: Draw a card.)

Target player reveals their hand. You choose a nonland card from it. That player puts that card into their library third from the top.

Counter target spell. If that spell is countered this way, put it on top of its owner's library instead of into that player's graveyard.

Surveil 2, then choose an instant or sorcery card in your graveyard. You may cast it this turn. If that spell would be put into your graveyard, exile it instead. (To 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.)

Mistvault Bridge enters the battlefield tapped. Indestructible {T}: Add {U} or {B}.

{T}: Add {C}. {1}{U}{B}, {T}: Target player mills three cards.

{6}, {T}: Return target permanent you both own and control to your hand.

Surveil 3. (Look at the top three cards of your library, then put any number of them into your graveyard and the rest on top of your library in any order.) Flashback {1}{U} (You may cast this card from your graveyard for its flashback cost. Then exile 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."

Polluted Mire enters the battlefield tapped. {T}: Add {B}. Cycling {2} ({2}, Discard this card: Draw a card.)

Look at the top three cards of your library, then put them back in any order. You may shuffle. Draw a card.

Port of Karfell enters the battlefield tapped. {T}: Add {U}. {3}{U}{B}{B}, {T}, Sacrifice Port of Karfell: Mill four cards, then return a creature card from your graveyard to the battlefield tapped. (To mill a card, put the top card of your library into your graveyard.)

Look at the top three cards of target player's library, then put them back in any order. You may have that player shuffle. Draw a card at the beginning of the next turn's upkeep.

Scry 2, then draw a card. (To scry 2, look at the top two cards of your library, then put any number of them on the bottom and the rest on top in any order.)

Return up to one target instant card and up to one target sorcery card from your graveyard to your hand. Exile Pull from the Deep.

Exile target creature. Its controller manifests the top card of their library. (That player puts the top card of their library onto the battlefield face down as a 2/2 creature. If it's a creature card, it can be turned face up any time for its mana cost.)

Return target permanent to its owner's hand. Then that player discards a card.

Remote Isle enters the battlefield tapped. {T}: Add {U}. Cycling {2} ({2}, Discard this card: Draw a card.)

Exile target artifact or creature. Its controller creates a 4/4 blue and red Elemental creature token.

Reveal a card in your hand, then put that card onto the battlefield if it has the same name as a permanent.

Landfall — Whenever a land enters the battlefield under your control, each opponent mills three cards. (To mill a card, a player puts the top card of their library into their graveyard.)

Choose two target creatures controlled by different players. Return those creatures to their owners' hands.

Return target exiled card with flashback you own to your hand.

{T}: Add {C}. {2}, {T}, Sacrifice a Desert: Exile all graveyards.

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."

Create a token that's a copy of target creature you control. Flashback {3}{U} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Delve (Each card you exile from your graveyard while casting this spell pays for {1}.) Put target nonland permanent on top of its owner's library.

Shipwreck Marsh enters the battlefield tapped unless you control two or more other lands. {T}: Add {U} or {B}.

Look at the top two cards of target opponent's library. Exile one of them face down and put the other on the bottom of that library. You may look at and play the exiled 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. Flashback {1}{U}{B}

Exile target creature you control, then return that card to the battlefield under its owner's control. If a Pirate was exiled this way, draw a card.

({T}: Add {U}.)

Delve (Each card you exile from your graveyard while casting this spell pays for {1}.) Target opponent mills nine cards, then you may cast an instant or sorcery spell from that player's graveyard without paying its mana cost. If that spell would be put into a graveyard, exile it instead.

Soured Springs enters the battlefield tapped. When Soured Springs enters the battlefield, it deals 1 damage to target opponent. {T}: Add {U} or {B}.

Submerged Boneyard enters the battlefield tapped. {T}: Add {U} or {B}.

The owner of target spell or nonland permanent puts it on the top or bottom of their library.

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

({T}: Add {B}.)

{T}: Add {C}. {T}: Add {U} or {B}. Activate only if you control a Swamp.

Temple of Deceit enters the battlefield tapped. When Temple of Deceit enters the battlefield, scry 1. {T}: Add {U} or {B}.

The Dross Pits enters the battlefield tapped. {T}: Add {B}. {1}{B}, {T}, Sacrifice The Dross Pits: Draw a card.

The Surgical Bay enters the battlefield tapped. {T}: Add {U}. {1}{U}, {T}, Sacrifice The Surgical Bay: Draw a card.

Delve (Each card you exile from your graveyard while casting this spell pays for {1}.) Draw three cards.

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

Put target nonland permanent on top of its owner's library. Miracle {U} (You may cast this card for its miracle cost when you draw it if it's the first card you drew this turn.)

{U}: Put Vortex Elemental and each creature blocking or blocked by it on top of their owners' libraries, then those players shuffle. {3}{U}{U}: Target creature blocks Vortex Elemental this turn if able.

({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.