Target player mills two cards, draws two cards, and loses 2 life. (To mill a card, a player puts the top card of their library into their graveyard.)

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

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.)

As an additional cost to cast this spell, sacrifice a creature. Draw two cards. If the sacrificed creature was legendary, draw three cards instead.

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

This artifact enters tapped. {T}: Add {B}.

{T}, Mill a card: Add {C}. (To mill a card, put the top card of your library into your graveyard.)

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

Until end of turn, whenever a player taps an Island for mana, that player adds an additional {U}.

{T}: Add {U}. Spend this mana only to foretell a card from your hand or cast an instant or sorcery spell.

{T}, Tap an untapped artifact or creature you control: Add {C}. Channel — {4}{U}, Discard this card: The owner of target nonland permanent puts it on their choice of the top or bottom of their library.

{T}: Add one mana of any color. Spend this mana only to cast an instant or sorcery spell. {5}{U}, {T}: Target player mills three cards. (They put the top three cards of their library into their graveyard.)

This artifact enters tapped. {T}: Add {U}.

Changeling (This card is every creature type.) This creature can't block and can't be blocked.

Changeling (This card is every creature type.) Flying {1}{U}: This creature gets +1/-1 until end of turn.

Changeling (This card is every creature type.) Tap an untapped creature you control: This creature gains flying until end of turn.

Enchant creature Enchanted creature can't be blocked. Whenever enchanted creature attacks, scry 1. (Look at the top card of your library. You may put that card on the bottom.)

Enchant creature Enchanted creature has phasing and can't be blocked except by Walls. (It phases in or out before its controller untaps during each of their untap steps. While it's phased out, it's treated as though it doesn't exist.)

Enchant creature (Target a creature as you cast this. This card enters attached to that creature.) Enchanted creature has flying. (It can't be blocked except by creatures with flying or reach.) {U}: Return this Aura to its owner's hand.

Enchant artifact or creature Enchanted permanent has phasing. (It phases in or out before its controller untaps during each of their untap steps. While it's phased out, it's treated as though it doesn't exist.)

Exile two target nonartifact creatures. Ashes to Ashes deals 5 damage to you.

Non-Elf creatures get -2/-2 until end of turn.

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

Counter target noncreature spell.

At the beginning of the end step, if no creatures are on the battlefield, sacrifice this enchantment. {B}: This enchantment deals 1 damage to each creature and each player.

Counter target spell. Its controller mills two cards.

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

Creatures your opponents control get -1/-1 until end of turn. Cycling {2} ({2}, Discard this card: Draw a card.)

Target creature gets +1/+0 and gains infect until end of turn. (It deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)

Target creature gets -1/-1 until end of turn. Morbid — That creature gets -13/-13 until end of turn instead if a creature died this turn.

When this creature enters, return target instant or sorcery card from your graveyard to your hand.

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

Return target creature to its owner's hand. Its controller draws a card.

Return target nonland permanent to its owner's hand. Amass Zombies 1. (Put a +1/+1 counter on an Army you control. It's also a Zombie. If you don't control an Army, create a 0/0 black Zombie Army creature token first.)

Flying When this creature enters, return a blue or black creature you control to its owner's hand. Pay 1 life: Return this creature to its owner's hand.

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

When this creature enters, exile another target creature. When this creature leaves the battlefield, return the exiled card to the battlefield under its owner's control.

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

Until end of turn, target creature you control gains "When this creature dies, return it to the battlefield tapped under its owner's control, then create a Wicked Role token attached to it." (Enchanted creature gets +1/+1. When this token is put into a graveyard, each opponent loses 1 life.)

Exile target artifact or creature, then return it to the battlefield under its owner's control with a +1/+1 counter on it.

Return target creature to its owner's hand. Flashback {4}{U} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

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.

You may exile a blue card from your hand rather than pay this spell's mana cost. Return target creature to its owner's hand.

Return target creature to its owner's hand. Then that creature's controller may pay {U}{U}. If the player does, they may copy this spell and may choose a new target for that copy.

Until end of turn, target creature gets +2/+0 and gains "When this creature dies, return it to the battlefield tapped under its owner's control."

Exile target permanent you control. Return that card to the battlefield under its owner's control at the beginning of the next end step. If it enters as a creature, it enters with an additional +1/+1 counter on it.

Until end of turn, target creature gains "When this creature dies, return it to the battlefield tapped under its owner's control with a +1/+1 counter on it."

Return target creature to its owner's hand. Surveil 1. (Look at the top card of your library. You may put that card into your graveyard.)

Return target nonland permanent to its owner's hand. Each player mills two cards.

{T}: Add {C}. Basic landcycling {1} ({1}, Discard this card: Search your library for a basic land card, reveal it, put it into your hand, then shuffle.)

This land enters tapped. When this land enters, exile target player's graveyard. {T}: Add {B}.

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

({T}: Add {U} or {B}.) This land enters tapped.

This land enters tapped. When this land enters, return a land you control to its owner's hand. {T}: Add {U}{B}.

This land enters tapped. {T}: Add {U} or {B}.

This land enters tapped. When this land enters, you gain 1 life. {T}: Add {U} or {B}.

{T}: Add {C}. {1}, {T}, Sacrifice this land: Search your library for a basic Plains, Island, or Swamp card, put it onto the battlefield tapped, then shuffle.

{T}: Add {C}. {1}, {T}, Sacrifice this land: Search your library for a basic Island, Swamp, or Mountain card, put it onto the battlefield tapped, then shuffle.

This land enters tapped. {T}: Add {U}. {4}{U}, {T}, Sacrifice this land: Discover 4. Activate only as a sorcery. (Exile cards from the top of your library until you exile a nonland card with mana value 4 or less. Cast it without paying its mana cost or put it into your hand. Put the rest on the bottom in a random order.)

This land enters tapped. {T}: Add {B}. {4}{B}, {T}, Sacrifice this land: Discover 4. Activate only as a sorcery. (Exile cards from the top of your library until you exile a nonland card with mana value 4 or less. Cast it without paying its mana cost or put it into your hand. Put the rest on the bottom in a random order.)

({T}: Add {U}.)

This land enters tapped. Indestructible {T}: Add {U} or {B}.

({T}: Add {U}.) This land enters tapped unless you control three or more other Islands. When this land enters untapped, you may put target instant or sorcery card from your graveyard on top of your library.

This land enters 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.)

This land enters tapped. As this land enters, choose a color other than blue. {T}: Add {U} or one mana of the chosen color.

({T}: Add {B}.)

This land enters tapped. As it enters, choose a color other than blue. {T}: Add {U} or one mana of the chosen color.

This land enters tapped. As it enters, choose a color other than black. {T}: Add {B} or one mana of the chosen color.

Enchant land Whenever enchanted land becomes tapped, its controller mills three cards.

Target player mills three cards. Flashback {1}{U} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

All creatures get -1/-1 until end of turn. 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.)

Surveil 2, then draw two cards. Notion Rain deals 2 damage to you. (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.)

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.)

Target player mills three cards. Cipher (Then you may exile this spell card encoded on a creature you control. Whenever that creature deals combat damage to a player, its controller may cast a copy of the encoded card without paying its mana cost.)

Whenever another blue creature you control enters, target player mills two cards.