Target creature gets +1/+1 and gains your choice of deathtouch or lifelink until end of turn. (Any amount of damage a creature with deathtouch deals to a creature is enough to destroy it. Damage dealt by a creature with lifelink also causes its controller to gain that much life.)

{3}{U}: Ashiok's Skulker can't be blocked this turn.

+2: Exile the top three cards of target opponent's library.

-X: Put a creature card with mana value X exiled with Ashiok, Nightmare Weaver onto the battlefield under your control. That creature is a Nightmare in addition to its other types.

-10: Exile all cards from all opponents' hands and graveyards.

Scry 2, then draw two cards.

Foretell {1}{U} (During your turn, you may pay {2} and exile this card from your hand face down. Cast it on a later turn for its foretell cost.)

Swampwalk (This creature can't be blocked as long as defending player controls a Swamp.)

When Blistergrub dies, each opponent loses 2 life.

Kicker {3} (You may pay an additional {3} as you cast this spell.)

Return target creature card from your graveyard to your hand. If this spell was kicked, instead return two target creature cards from your graveyard to your hand.

Create a 1/1 blue and black Horror creature token with flying.

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.)

Counter target spell.

Draw two cards.

Awaken 4--{5}{U} (If you cast this spell for {5}{U}, also put four +1/+1 counters on target land you control and it becomes a 0/0 Elemental creature with haste. It's still a land.)

Flash

Enchant creature you control

When Cradle of Safety enters the battlefield, enchanted creature gains hexproof until end of turn. (It can't be the target of spells or abilities your opponents control.)

Enchanted creature gets +1/+1.

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

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

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

Draw two cards.

Reach

Soulbond (You may pair this creature with another unpaired creature when either enters the battlefield. They remain paired for as long as you control both of them.)

As long as Doom Weaver is paired with another creature, each of those creatures has "When this creature dies, draw cards equal to its power."

Ward {2} (Whenever this creature becomes the target of a spell or ability an opponent controls, counter it unless that player pays {2}.)

{3}{U}{U}: Dreadlight Monstrosity can't be blocked this turn. Activate only if you own a card in exile.

Landfall -- Whenever a land enters the battlefield under your control, Dreadwurm gains indestructible until end of turn. (Damage and effects that say "destroy" don't destroy it.)

Target opponent reveals their hand. You choose a noncreature, nonland card from it. That player discards that card.

When Elite Arcanist enters the battlefield, you may exile an instant card from your hand.

{X}, {T}: Copy the exiled card. You may cast the copy without paying its mana cost. X is the mana value of the exiled card.

Whenever an opponent loses life, you gain that much life.

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

Exile target creature or planeswalker.

Whenever a creature you control becomes blocked, you may return it to its owner's hand.

Whenever one or more creatures you control deal combat damage to a player, draw a card.

When Halimar Tidecaller enters the battlefield, you may return target card with awaken from your graveyard to your hand.

Land creatures you control have flying.

{U}: Horror of the Dim gains hexproof until end of turn. (It can't be the target of spells or abilities your opponents control.)

Scry 3, then reveal the top card of your library. Draw cards equal to that card's mana value. (To scry 3, look at the top three cards of your library, then put any number of them on the bottom of your library and the rest on top in any order.)

({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}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

+4: Target player exiles a card from their hand.

-3: Exile target permanent.

-14: Restart the game, leaving in exile all non-Aura permanent cards exiled with Karn Liberated. Then put those cards onto the battlefield under your control.

Changeling (This card is every creature type.)

When Littjara Kinseekers enters the battlefield, if you control three or more creatures that share a creature type, put a +1/+1 counter on Littjara Kinseekers, then scry 1.

As an additional cost to cast this spell, exile a creature card from your graveyard.

Dominate Monster -- When Mind Flayer enters the battlefield, gain control of target creature for as long as you control Mind Flayer.

Counter target spell unless its controller pays {6}.

Counter target noncreature spell.

Flying (This creature can't be blocked except by creatures with flying or reach.)

Nightmare's power and toughness are each equal to the number of Swamps you control.

Choose one --

• Exile each creature with power greater than the number of cards in your hand.

• Exile each creature with power less than the number of cards in your hand.

Target creature gets -X/-X until end of turn, where X is the number of cards in your hand.

Nyx Lotus enters the battlefield tapped.

{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.)

When Phyrexian Gargantua enters the battlefield, you draw two cards and you lose 2 life.

Target opponent reveals their hand. You choose a nonland card from it and exile that card.

Delirium -- If there are four or more card types among cards in your graveyard, search that player's graveyard, hand, and library for any number of cards with the same name as the exiled card, exile those cards, then that player shuffles.

At the beginning of your upkeep, Plague Spitter deals 1 damage to each creature and each player.

When Plague Spitter dies, Plague Spitter deals 1 damage to each creature and each player.

Equipped creature can't be blocked except by Walls.

Equip {2}

(Gain the next level as a sorcery to add its ability.)

Whenever a creature you control deals combat damage to a player, exile the top card of that player's library face down. You may look at it for as long as it remains exiled.

{1}{U}{B}: Level 2

Creatures you control have menace.

{2}{U}{B}: Level 3

You may play cards exiled with Rogue Class, and you may spend mana as though it were mana of any color to cast those spells.

Flying

Whenever you attack with one or more creatures, target player mills that many cards. (To mill a card, a player puts the top card of their library into their graveyard.)

{2}{U}: Put Screaming Swarm from your graveyard into your library second from the top.

Lifelink (Damage dealt by this creature also causes you to gain that much life.)

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

Draw two cards. If you have the city's blessing, draw three cards instead.

Your opponents play with their hands revealed.

Sacrifice Seer's Vision: Look at target player's hand and choose a card from it. That player discards that card. Activate only as a sorcery.

Enchant creature

Enchanted creature has fear. (It can't be blocked except by artifact creatures and/or black creatures.)

Whenever enchanted creature deals combat damage to an opponent, you may draw a card.

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

{U/P}: Change a target of target spell or ability to Spellskite. ({U/P} can be paid with either {U} or 2 life.)

Metalcraft -- This spell costs {1} less to cast if you control three or more artifacts.

Counter target spell.

({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}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

Counter target spell unless its controller pays {X}. If that spell is countered this way, exile it instead of putting it into its owner's graveyard.

Counter target creature or planeswalker spell. Create a Blood token. (It's an artifact with "{1}, {T}, Discard a card, Sacrifice this artifact: Draw a card.")

Split second (As long as this spell is on the stack, players can't cast spells or activate abilities that aren't mana abilities.)

Enchant permanent

You control enchanted permanent.

Each opponent exiles cards from the top of their library until that player has exiled cards with total mana value 20 or more.

At the beginning of each end step, put a slime counter on each creature you don't control.

Creatures you don't control get -1/-1 for each slime counter on them.

Whenever a creature you don't control with a slime counter on it dies, create a 1/1 black Slug creature token.

{U}{B}, Sacrifice a Slug: Draw a card.

Replicate {1}{U} (When you cast this spell, copy it for each time you paid its replicate cost.)

Draw a card.

Devoid (This card has no color.)

Target player reveals their hand. You choose a card from it with mana value 3 or greater and exile that card.

{4}, Sacrifice Treasure Chest: Roll a d20.

1 | Trapped! -- You lose 3 life.

2--9 | Create five Treasure tokens.

10--19 | You gain 3 life and draw three cards.

20 | Search your library for a card. If it's an artifact card, you may put it onto the battlefield. Otherwise, put that card into your hand. Then shuffle.

Trigon of Thought enters the battlefield with three charge counters on it.

{U}{U}, {T}: Put a charge counter on Trigon of Thought.

{2}, {T}, Remove a charge counter from Trigon of Thought: Draw a card.

Umbris, Fear Manifest gets +1/+1 for each card your opponents own in exile.

Whenever Umbris or another Nightmare or Horror enters the battlefield under your control, target opponent exiles cards from the top of their library until they exile a land card.

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.)

Return up to two target creature cards from your graveyard to your hand.

Cleave {1}{U}{U} (You may cast this spell for its cleave cost. If you do, remove the words in square brackets.)

Counter target spell [that wasn't cast from its owner's hand].