{T}: Add {C}.

{T}: Add {W} or {U}. Adarkar Wastes deals 1 damage to you.

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

Suspend X--{X}{3}{U}. X can't be 0.

Whenever a time counter is removed from Aeon Chronicler while it's exiled, draw a card.

Exile target nonland permanent. You lose 3 life.

Arcane Sanctum enters the battlefield tapped.

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

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

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

As Black Vise enters the battlefield, choose an opponent.

At the beginning of the chosen player's upkeep, Black Vise deals X damage to that player, where X is the number of cards in their hand minus 4.

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

You have no maximum hand size.

Whenever Body of Knowledge is dealt damage, draw that many cards.

{T}: Add {C}.

{T}: Add {W} or {B}. Caves of Koilos deals 1 damage to you.

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.)

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

This spell can't be countered.

Draw two cards, then amass X, where X is the number of cards in your hand. (Put X +1/+1 counters on an Army you control. If you don't control one, create a 0/0 black Zombie Army creature token first.)

Counter target spell.

Exile target permanent with mana value 4 or greater.

Flash

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

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

At the beginning of each opponent's upkeep, if that player has seven or more cards in hand, Ebony Owl Netsuke deals 4 damage to that player.

Flying

As Entropic Specter enters the battlefield, choose an opponent.

Entropic Specter's power and toughness are each equal to the number of cards in the chosen player's hand.

Whenever Entropic Specter deals damage to a player, that player discards a card.

{T}, Sacrifice Evolving Wilds: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

{T}: Add one mana of any color that a land an opponent controls could produce.

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

Destroy target creature or enchantment an opponent controls. You lose life equal to that permanent's mana value.

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.

Whenever an opponent casts a spell, that player draws seven cards.

Whenever a creature deals combat damage to one of your opponents, its controller may pay 1 life. If they do, they draw a card.

{4}{B}{B}{B}, Discard X cards: Exile the top X cards of target opponent's library. You may play lands and cast spells from among cards exiled this way without paying their mana costs.

At the beginning of each opponent's upkeep, Iron Maiden deals X damage to that player, where X is the number of cards in their hand minus 4.

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

At the beginning of your upkeep, you gain X life, where X is the number of cards in your hand minus 4.

{2}{U}, {T}: Draw a card. If you have nine or more cards in hand, flip Jushi Apprentice.

{3}{U}{U}, {T}: Target player draws X cards, where X is the number of cards in your hand.

Kagemaro, First to Suffer's power and toughness are each equal to the number of cards in your hand.

{B}, Sacrifice Kagemaro: All creatures get -X/-X until end of turn, where X is the number of cards in your hand.

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

Kiyomaro, First to Stand's power and toughness are each equal to the number of cards in your hand.

As long as you have four or more cards in hand, Kiyomaro has vigilance.

Whenever Kiyomaro deals damage, if you have seven or more cards in hand, you gain 7 life.

If you would draw a card while your library has no cards in it, you win the game instead.

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.

+2: Draw two cards, then put a card from your hand on the bottom of your library.

-2: Create a blue Dog Illusion creature token with "This creature's power and toughness are each equal to twice the number of cards in your hand."

-10: Exchange your hand and library, then shuffle. You get an emblem with "You have no maximum hand size."

Morphic Pool enters the battlefield tapped unless you have two or more opponents.

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

Myriad Landscape enters the battlefield tapped.

{T}: Add {C}.

{2}, {T}, Sacrifice Myriad Landscape: Search your library for up to two basic land cards that share a land type, put them onto the battlefield tapped, then shuffle.

At the beginning of your end step, for each player, put a +1/+1 counter on up to one target creature that player controls.

Each creature with one or more counters on it can't attack you or planeswalkers you control unless its controller pays {X}, where X is the number of counters on that creature.

The owner of target nonland permanent shuffles it into their library, then draws two cards.

When Obscura Storefront enters the battlefield, sacrifice it. When you do, search your library for a basic Plains, Island, or Swamp card, put it onto the battlefield tapped, then shuffle and you gain 1 life.

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

Path of Ancestry enters the battlefield tapped.

{T}: Add one mana of any color in your commander's color identity. When that mana is spent to cast a creature spell that shares a creature type with your commander, scry 1. (Look at the top card of your library. You may put that card on the bottom.)

Exile target creature. Its controller may search their library for a basic land card, put that card onto the battlefield tapped, then shuffle.

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

As Port Town enters the battlefield, you may reveal a Plains or Island card from your hand. If you don't, Port Town enters the battlefield tapped.

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

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

Prairie Stream enters the battlefield tapped unless you control two or more basic lands.

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.

When Proft's Eidetic Memory enters the battlefield, draw a card.

You have no maximum hand size.

At the beginning of combat on your turn, if you've drawn more than one card this turn, put X +1/+1 counters on target creature you control, where X is the number of cards you've drawn this turn minus one.

Each player puts a vow counter on a creature they control and sacrifices the rest. Each of those creatures can't attack you or planeswalkers you control for as long as it has a vow counter on it.

Each player draws X 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.

Whenever you draw a card, target opponent loses 1 life and you gain 1 life.

You have no maximum hand size.

{T}: Add {C}.

Choose one --

• Counter all other spells.

• Switch each creature's power and toughness until end of turn.

• Creatures can't be blocked this turn.

{T}: Add {C}.

{4}, {T}: Target creature can't be blocked this turn.

Sea of Clouds enters the battlefield tapped unless you have two or more opponents.

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

You and target opponent each draw three cards.

At the beginning of each player's upkeep, that player loses 2 life and draws two cards.

Partner with Brallin, Skyshark Rider

Flying

Whenever you draw a card, put a +1/+1 counter on Shabraz, the Skyshark and you gain 1 life.

{W/U}: Target Human gains flying until end of turn.

As Shineshadow Snarl enters the battlefield, you may reveal a Plains or Swamp card from your hand. If you don't, Shineshadow Snarl enters the battlefield tapped.

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

Each player draws X cards.

Forecast -- {2}{U}, Reveal Skyscribing from your hand: Each player draws a card. (Activate only during your upkeep and only once each turn.)

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

{T}: Add one mana of any color.

{1}, {T}: Untap another target artifact.

{2}, {T}: Scry 1. (Look at the top card of your library. You may put that card on the bottom.)

{3}, {T}: Target creature can't be blocked this turn.

Flying

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

Whenever Sturmgeist deals combat damage to a player, draw a card.

({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}.)

Exile target creature. Its controller gains life equal to its power.

Syr Elenora, the Discerning's power is equal to the number of cards in your hand.

When Syr Elenora enters the battlefield, draw a card.

Spells your opponents cast that target Syr Elenora cost {2} more to cast.

{T}: Add {C}.

{T}: Add {U} or {B}. Talisman of Dominance deals 1 damage to you.

{T}: Add {C}.

{T}: Add {W} or {B}. Talisman of Hierarchy deals 1 damage to you.

{T}: Add {C}.

{T}: Add {W} or {U}. Talisman of Progress deals 1 damage to you.

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

{T}, Sacrifice Terramorphic Expanse: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

Whenever a player draws their second card during their turn, you draw a card.

Whenever a player casts their second spell during their turn, you create a 2/2 white Knight creature token.

Players have no maximum hand size.

How Civil of You -- At the beginning of your end step, each player may draw a card. Each opponent who does can't attack you or permanents you control during their next turn.

You have no maximum hand size.

{T}: Add {C}.

You have no maximum hand size.

At the beginning of your upkeep, if you have exactly thirteen cards in your hand, you win the game.

{3}{U}: Draw a card.

If an opponent would begin an extra turn, that player skips that turn instead.

Whenever an opponent attacks you with two or more creatures, draws their second card each turn, or casts their second spell each turn, you draw a card.

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

Draw a card, then you gain life equal to the number of cards in your hand.

Vault of Champions enters the battlefield tapped unless you have two or more opponents.

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

You have no maximum hand size.

At the beginning of your upkeep, you gain 1 life for each card in your hand.

At the beginning of each opponent's upkeep, Viseling deals X damage to that player, where X is the number of cards in their hand minus 4.

Deal with the Black Guardian -- When Vislor Turlough enters the battlefield, you may have an opponent gain control of it. If you do, it's goaded for as long as they control it.

At the beginning of your end step, draw a card, then you lose life equal to the number of cards in your hand.

Doctor's companion (You can have two commanders if the other is the Doctor.)

Defender (This creature can't attack.)

Walking Archive enters the battlefield with a +1/+1 counter on it.

At the beginning of each player's upkeep, that player draws a card for each +1/+1 counter on Walking Archive.

{2}{W}{U}: Put a +1/+1 counter on Walking Archive.

When Wedding Ring enters the battlefield, if it was cast, target opponent creates a token that's a copy of it.

Whenever an opponent who controls an artifact named Wedding Ring draws a card during their turn, you draw a card.

Whenever an opponent who controls an artifact named Wedding Ring gains life during their turn, you gain that much life.

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.

Flying

Creatures can't attack you unless their controller pays {2} for each creature they control that's attacking you.