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.

Quagmire

Creatures with swampwalk can be blocked as though they didn't have swampwalk.

Yavimaya, Cradle of Growth

Each land is a Forest in addition to its other land types.

Horror of Horrors

Sacrifice a Swamp: Regenerate target black creature. (The next time that creature would be destroyed this turn, instead tap it, remove it from combat, and heal all damage on it.)

Amnesia

Target player reveals their hand and discards all nonland cards.

Hoodwink

Return target artifact, enchantment, or land to its owner's hand.

Twiddle

You may tap or untap target artifact, creature, or land.

Copper Tablet

At the beginning of each player's upkeep, this artifact deals 1 damage to that player.

Bouncing Beebles

This creature can't be blocked as long as defending player controls an artifact.

Déjà Vu

Return target sorcery card from your graveyard to your hand.

Lobotomy

Target player reveals their hand, then you choose a card other than a basic land card from it. Search that player's graveyard, hand, and library for all cards with the same name as the chosen card and exile them. Then that player shuffles.

Horrible Hordes

Rampage 1 (Whenever this creature becomes blocked, it gets +1/+1 until end of turn for each creature blocking it beyond the first.)

Sol Ring

Bamboozle

Target player reveals the top four cards of their library. You choose two of those cards and put them into that player's graveyard. Put the rest on top of their library in any order.

Acid Rain

Diabolic Machine

Chill

Vizzerdrix

Witch Engine

Swampwalk (This creature can't be blocked as long as defending player controls a Swamp.)
{T}: Add {B}{B}{B}{B}. Target opponent gains control of this creature. (Activate only as an instant.)

Standstill

When a player casts a spell, sacrifice this enchantment. If you do, each of that player's opponents draws three cards.

Unhinge

Target player discards a card.
Draw a card.

Blackmail

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

Lu Su, Wu Advisor

{T}: Draw a card. Activate only during your turn, before attackers are declared.

Credit Voucher

{2}, {T}, Sacrifice this artifact: Shuffle any number of cards from your hand into your library, then draw that many cards.

Hoar Shade

{B}: This creature gets +1/+1 until end of turn.

Dehydration

Enchant creature (Target a creature as you cast this. This card enters attached to that creature.)
Enchanted creature doesn't untap during its controller's untap step.

Booby Trap

As this artifact enters, choose an opponent and a card name other than a basic land card name.
The chosen player reveals each card they draw.
When the chosen player draws a card with the chosen name, sacrifice this artifact. If you do, this artifact deals 10 damage to that player.

Stench of Evil

Destroy all Plains. For each land destroyed this way, Stench of Evil deals 1 damage to that land's controller unless they pay {2}.

Scandalmonger

{2}: Target player discards a card. Any player may activate this ability but only as a sorcery.

Spinning Wheel

{T}: Add one mana of any color.
{5}, {T}: Tap target creature.

Morbius the Living Vampire

Flying, vigilance, lifelink
{U}{B}, Exile this card from your graveyard: Look at the top three cards of your library. Put one of them into your hand and the rest on the bottom of your library in any order.

Blood Pet

Fishliver Oil

Enchant creature (Target a creature as you cast this. This card enters attached to that creature.)
Enchanted creature has islandwalk. (It can't be blocked as long as defending player controls an Island.)

Vexing Puzzlebox

Whenever you roll one or more dice, put a number of charge counters on this artifact equal to the result.
{T}: Add one mana of any color. Roll a d20.
{T}, Remove 100 charge counters from this artifact: Search your library for an artifact card, put that card onto the battlefield, then shuffle.

Graxiplon

This creature can't be blocked unless defending player controls three or more creatures that share a creature type.

Uncle Istvan

Prevent all damage that would be dealt to this creature by creatures.

Eye Spy

Look at the top card of target player's library. You may put that card into their graveyard.

Whoosh!

Kicker {1}{U} (You may pay an additional {1}{U} as you cast this spell.)
Return target nonland permanent to its owner's hand. If this spell was kicked, draw a card.

Worms of the Earth

Players can't play lands.
Lands can't enter the battlefield.
At the beginning of each upkeep, any player may sacrifice two lands of their choice or have this enchantment deal 5 damage to that player. If a player does either, destroy this enchantment.

Grazilaxx, Illithid Scholar

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.

Ebony Fly

This artifact enters tapped.
{T}: Add {C}.
{4}: Roll a d6. Until end of turn, you may have this artifact become an X/X Insect artifact creature with flying, where X is the result.
Whenever this artifact attacks, another target attacking creature gains flying until end of turn.

Hot Dog Cart

When this artifact enters, create a Food token. (It's an artifact with "{2}, {T}, Sacrifice this token: You gain 3 life.")
{T}: Add one mana of any color.

Squeeze

Flying Men

Back to Basics

Nonbasic lands don't untap during their controllers' untap steps.

Sinkhole

Feast of the Unicorn

Enchant creature
Enchanted creature gets +4/+0.

Forget

Target player discards two cards, then draws as many cards as they discarded this way.

Death Bomb

As an additional cost to cast this spell, sacrifice a creature.
Destroy target nonblack creature. It can't be regenerated. Its controller loses 2 life.

Borrowing 100,000 Arrows

Draw a card for each tapped creature target opponent controls.

Show and Tell

Each player may put an artifact, creature, enchantment, or land card from their hand onto the battlefield.

Bubbling Beebles

This creature can't be blocked as long as defending player controls an enchantment.

Bubble Matrix

Prevent all damage that would be dealt to creatures.

Swat

Destroy target creature with power 2 or less.
Cycling {2} ({2}, Discard this card: Draw a card.)

Power Taint

Enchant enchantment
At the beginning of the upkeep of enchanted enchantment's controller, that player loses 2 life unless they pay {2}.
Cycling {2} ({2}, Discard this card: Draw a card.)

Arcane Signet

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

Brine Hag

When this creature dies, change the base power and toughness of all creatures that dealt damage to it this turn to 0/2. (This effect lasts indefinitely.)

Defenestrate

Zodiac Pig

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

Dirty Wererat

{B}, Discard a card: Regenerate this creature.
Threshold — As long as seven or more cards are in your graveyard, this creature gets +2/+2 and can't block.

Piracy

Until end of turn, you may tap lands you don't control for mana. Spend this mana only to cast spells.