Salt Marsh

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

Temporal Adept

{U}{U}{U}, {T}: Return target permanent to its owner's hand.

Nekrataal

First strike
When this creature enters, destroy target nonartifact, nonblack creature. That creature can't be regenerated.

Flash Counter

Swamp

Evacuation

Return all creatures to their owners' hands.

Dark Banishing

Destroy target nonblack creature. It can't be regenerated.

Basalt Monolith

This artifact doesn't untap during your untap step.
{T}: Add {C}{C}{C}.
{3}: Untap this artifact.

Nebuchadnezzar

{X}, {T}: Choose a card name. Target opponent reveals X cards at random from their hand. Then that player discards all cards with that name revealed this way. Activate only during your turn.

Teferi's Puzzle Box

At the beginning of each player's draw step, that player puts the cards in their hand on the bottom of their library in any order, then draws that many cards.

Sleight of Hand

Look at the top two cards of your library. Put one of them into your hand and the other on the bottom of your library.

City of Brass

Whenever this land becomes tapped, it deals 1 damage to you.
{T}: Add one mana of any color.

Concentrate

Deflection

Change the target of target spell with a single target.

Plague Wind

Destroy all creatures you don't control. They can't be regenerated.

Larceny

Whenever a creature you control deals combat damage to a player, that player discards a card.

Mind Sludge

Target player discards a card for each Swamp you control.

Abyssal Horror

Flying
When this creature enters, target player discards two cards.

Cackling Fiend

When this creature enters, each opponent discards a card.

Mind Rot

Merfolk Looter

Vampiric Tutor

Search your library for a card, then shuffle and put that card on top. You lose 2 life.

Glasses of Urza

Hypnotic Specter

Flying
Whenever this creature deals damage to an opponent, that player discards a card at random.

Brainstorm

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

Disrupting Scepter

{3}, {T}: Target player discards a card. Activate only during your turn.

Merchant Scroll

Search your library for a blue instant card, reveal that card, put it into your hand, then shuffle.

Time Warp

Target player takes an extra turn after this one.

Archivist

Diabolic Tutor

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

Blackmail

Target player reveals three cards from their hand and you choose one of them. That player discards that card.

Tolarian Winds

Discard all the cards in your hand, then draw that many cards.

Diabolic Vision

Look at the top five cards of your library. Put one of them into your hand and the rest on top of your library in any order.

Rag Man

{B}{B}{B}, {T}: Target opponent reveals their hand and discards a creature card at random. Activate only during your turn.

Mana Leak

Counter target spell unless its controller pays {3}.

Mortivore

Mortivore's power and toughness are each equal to the number of creature cards in all graveyards.
{B}: Regenerate this creature. (The next time this creature would be destroyed this turn, instead tap it, remove it from combat, and heal all damage on it.)

Will-o'-the-Wisp

Flying (This creature can't be blocked except by creatures with flying or reach.)
{B}: Regenerate this creature. (The next time this creature would be destroyed this turn, instead tap it, remove it from combat, and heal all damage on it.)

Spell Blast

Counter target spell with mana value X. (For example, if that spell's mana cost is {3}{U}{U}, X is 5.)

Blue Elemental Blast

Choose one —
• Counter target red spell.
• Destroy target red permanent.

Mindslicer

When this creature dies, each player discards their hand.

Demonic Tutor

Island

Abyssal Specter

Flying
Whenever this creature deals damage to a player, that player discards a card.

Hymn to Tourach

Target player discards two cards at random.

Megrim

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

Nevinyrral's Disk

This artifact enters tapped.
{1}, {T}: Destroy all artifacts, creatures, and enchantments.

Remove Soul

Mana Vault

This artifact doesn't untap during your untap step.
At the beginning of your upkeep, you may pay {4}. If you do, untap this artifact.
At the beginning of your draw step, if this artifact is tapped, it deals 1 damage to you.
{T}: Add {C}{C}{C}.

Mind Twist

Target player discards X cards at random.

Jester's Cap

{2}, {T}, Sacrifice this artifact: Search target player's library for three cards and exile them. Then that player shuffles.

Telepathy

Your opponents play with their hands revealed.

Icy Manipulator

{1}, {T}: Tap target artifact, creature, or land.

Arcane Laboratory

Each player can't cast more than one spell each turn.

Terror

Destroy target nonartifact, nonblack creature. It can't be regenerated.

Counterspell

Library of Leng

You have no maximum hand size.
If an effect causes you to discard a card, discard it, but you may put it on top of your library instead of into your graveyard.

Ostracize

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