At the beginning of each end step, if you drew two or more cards this turn, you may put a quest counter on Archmage Ascension.

As long as Archmage Ascension has six or more quest counters on it, if you would draw a card, you may instead search your library for a card, put that card into your hand, then shuffle.

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.

+1: Create a 2/3 blue and black Nightmare creature token with "Whenever this creature attacks or blocks, each opponent exiles the top two cards of their library."

-3: Return target nonland permanent to its owner's hand, then that player exiles a card from their hand.

-7: You may cast up to three spells from among face-up cards your opponents own from exile without paying their mana costs.

Flying, deathtouch

When Baleful Strix enters the battlefield, draw a card.

Destroy target creature. Put a menace counter on a creature you control. (It can't be blocked except by two or more creatures.)

Bojuka Bog enters the battlefield tapped.

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

{T}: Add {B}.

Whenever you draw a card, put a +1/+1 counter on Chasm Skulker.

When Chasm Skulker dies, create X 1/1 blue Squid creature tokens with islandwalk, where X is the number of +1/+1 counters on Chasm Skulker. (They can't be blocked as long as defending player controls an Island.)

As Choked Estuary enters the battlefield, you may reveal an Island or Swamp card from your hand. If you don't, Choked Estuary enters the battlefield tapped.

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

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

Each player discards all the cards in their hand, then draws that many cards minus one.

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

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

Flash

At the beginning of each player's draw step, that player draws an additional card.

{1}{U}{B}: Exile target creature card from a graveyard. Dimir Doppelganger becomes a copy of that card, except it has this ability.

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

{U}{B}: Dimir Keyrune becomes a 2/2 blue and black Horror artifact creature until end of turn and can't be blocked this turn.

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

{U/B}{U/B}{U/B}{U/B}, {T}, Sacrifice Dimir Locket: Draw two cards.

Dismal Backwater enters the battlefield tapped.

When Dismal Backwater enters the battlefield, you gain 1 life.

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

Destroy target nonblack creature.

Each player mills two cards. Then you put a creature card from a graveyard onto the battlefield under your control.

Choose one --

• Each player draws X cards.

• Each player mills X cards.

Whenever an opponent draws a card, Fate Unraveler deals 1 damage to that player.

Flying

When Fell Specter enters the battlefield, target opponent discards a card.

Whenever an opponent discards a card, that player loses 2 life.

Defender, flying

Prevent all combat damage that would be dealt to and dealt by Fog Bank.

Players have no maximum hand size.

{X}{X}, {T}: Each player draws X cards.

{2}{U}, {T}: Each opponent mills cards equal to the number of cards in their hand.

At the beginning of each player's draw step, that player draws two additional cards.

Artifacts, creatures, and lands your opponents control enter the battlefield tapped.

{T}: Add {C}.

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

Whenever an opponent discards a card, you may draw a card.

Each opponent's maximum hand size is reduced by one.

Defender, flying

Prevent all combat damage that would be dealt to Guard Gomazoa.

Whenever a player plays a land, that player draws a card.

Whenever Howling Golem attacks or blocks, each player draws a card.

At the beginning of each player's draw step, if Howling Mine is untapped, that player draws an additional card.

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

{U}, {T}: Each player discards their hand, then draws cards equal to the greatest number of cards a player discarded this way.

At the beginning of each player's draw step, that player draws an additional card.

For each creature, its controller sacrifices it unless they pay X life.

Ascend (If you control ten or more permanents, you get the city's blessing for the rest of the game.)

At the beginning of your upkeep, each player draws a card. If you have the city's blessing, instead only you draw a card.

Target player draws cards equal to the number of cards in their hand, then discards that many cards.

Target player shuffles their graveyard into their library.

Draw a card.

Each opponent's maximum hand size is reduced by two.

Flying

At the beginning of your upkeep, each opponent draws a card.

Whenever an opponent discards a card, Megrim deals 2 damage to that player.

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

{T}: Add {C}.

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

Join forces -- Starting with you, each player may pay any amount of mana. Each player draws X cards, where X is the total amount of mana paid this way.

({T}: Add {U}.)

Mystic Sanctuary enters the battlefield tapped unless you control three or more other Islands.

When Mystic Sanctuary enters the battlefield untapped, you may put target instant or sorcery card from your graveyard on top of your library.

Flying, deathtouch

Hexproof (This creature can't be the target of spells or abilities your opponents control.)

+1: You draw a card and you lose 1 life.

-3: Destroy target creature.

-8: Target opponent gets an emblem with "Whenever a player draws a card, you lose 2 life."

Whenever an opponent draws a card, Ob Nixilis, the Hate-Twisted deals 1 damage to that player.

-2: Destroy target creature. Its controller draws two cards.

Flying

Whenever you draw a card, put a +1/+1 counter on Oneirophage.

Players have no maximum hand size.

At the beginning of each opponent's upkeep, Price of Knowledge deals damage to that player equal to the number of cards in that player's hand.

Each player draws X cards.

Enchant creature

Enchanted creature gets +2/+2 and is goaded. (It attacks each combat if able and attacks a player other than you if able.)

Whenever enchanted creature attacks, you scry 2.

Shuffle all cards from your graveyard into your library. Target player mills that many cards.

Psychosis Crawler's power and toughness are each equal to the number of cards in your hand.

Whenever you draw a card, each opponent loses 1 life.

You have no maximum hand size.

{T}: Add {C}.

Target player shuffles their graveyard into their library.

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

You may have Spark Double enter the battlefield as a copy of a creature or planeswalker you control, except it enters with an additional +1/+1 counter on it if it's a creature, it enters with an additional loyalty counter on it if it's a planeswalker, and it isn't legendary.

Whenever you draw a card, target opponent mills two cards. If two nonland cards that share a color were milled this way, repeat this process.

{5}{U}: Draw a card, then discard a card.

Submerged Boneyard enters the battlefield tapped.

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

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

Sunken Hollow enters the battlefield tapped unless you control two or more basic lands.

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

If you would draw a card except the first one you draw in each of your draw steps, draw two cards instead.

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.

{3}, {T}: Search your library for a basic land card, reveal it, put it into your hand, then shuffle.

At the beginning of your end step, if you control seven or more lands, transform Thaumatic Compass.

(Transforms from Thaumatic Compass.)

{T}: Add {C}.

{T}: Untap target attacking creature an opponent controls and remove it from combat.

Flying, lifelink

Whenever The Haunt of Hightower attacks, defending player discards a card.

Whenever a card is put into an opponent's graveyard from anywhere, put a +1/+1 counter on The Haunt of Hightower.

Flying

Whenever Thief of Sanity deals combat damage to a player, look at the top three cards of that player's library, exile one of them face down, then put the rest into their graveyard. You may cast that card for as long as it remains exiled, and mana of any type can be spent to cast it.

If you would draw a card, look at the top three cards of your library instead. Put one of those cards into your hand and the rest on the bottom of your library in any order.

Whenever an opponent draws a card, Underworld Dreams deals 1 damage to that player.

Destroy target non-Merfolk creature.

{T}: You may put a land card from your hand onto the battlefield.

Whenever an opponent discards a creature card, create a 2/2 black Zombie creature token.

Whenever an opponent discards a land card, add {B}{B}.

Whenever an opponent discards a noncreature, nonland card, draw a card.

When Well of Ideas enters the battlefield, draw two cards.

At the beginning of each other player's draw step, that player draws an additional card.

At the beginning of your draw step, draw two additional cards.

Each player discards their hand, then draws cards equal to the greatest number of cards a player discarded this way.

Islandwalk, swampwalk (This creature can't be blocked as long as defending player controls an Island or a Swamp.)

Whenever Wrexial, the Risen Deep deals combat damage to a player, you may cast target instant or sorcery card from that player's graveyard without paying its mana cost. If that spell would be put into a graveyard, exile it instead.

Discard two cards: Create a 2/2 black Zombie creature token.