Arcane Laboratory

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

Curfew

Each player returns a creature they control to its owner's hand.

Winter Orb

As long as this artifact is untapped, players can't untap more than one land during their untap steps.

Greater Good

Sacrifice a creature: Draw cards equal to the sacrificed creature's power, then discard three cards.

Faerie Conclave

This land enters tapped.
{T}: Add {U}.
{1}{U}: This land becomes a 2/1 blue Faerie creature with flying until end of turn. It's still a land.

Blue Elemental Blast

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

Back to Basics

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

Mind Stone

{T}: Add {C}.
{1}, {T}, Sacrifice this artifact: Draw a card.

Ensnaring Bridge

Creatures with power greater than the number of cards in your hand can't attack.

Gamble

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

Tinker

As an additional cost to cast this spell, sacrifice an artifact.
Search your library for an artifact card, put that card onto the battlefield, then shuffle.

Epicenter

Target player sacrifices a land of their choice.
Threshold — Each player sacrifices all lands they control instead if there are seven or more cards in your graveyard.

Crystal Vein

{T}: Add {C}.
{T}, Sacrifice this land: Add {C}{C}.

Baleful Stare

Target opponent reveals their hand. You draw a card for each Mountain and red card in it.

Boomerang

Return target permanent to its owner's hand.

Intuition

Search your library for three cards and reveal them. Target opponent chooses one. Put that card into your hand and the rest into your graveyard. Then shuffle.

Fire Diamond

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

Portcullis

Whenever a creature enters, if there are two or more other creatures on the battlefield, exile that creature. Return that card to the battlefield under its owner's control when this artifact leaves the battlefield.

Urza's Bauble

{T}, Sacrifice this artifact: Look at a card at random in target player's hand. You draw a card at the beginning of the next turn's upkeep.

Dracoplasm

Flying
As this creature enters, sacrifice any number of creatures. This creature's power becomes the total power of those creatures and its toughness becomes their total toughness.
{R}: This creature gets +1/+0 until end of turn.

Lightning Bolt

Lightning Bolt deals 3 damage to any target.

Rushing River

Kicker—Sacrifice a land. (You may sacrifice a land in addition to any other costs as you cast this spell.)
Return target nonland permanent to its owner's hand. If this spell was kicked, return another target nonland permanent to its owner's hand.

Defense Grid

Each spell costs {3} more to cast except during its controller's turn.

Fellwar Stone

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

Fade Away

For each creature, its controller sacrifices a permanent of their choice unless they pay {1}.

Lotus Petal

{T}, Sacrifice this artifact: Add one mana of any color.

Fling

As an additional cost to cast this spell, sacrifice a creature.
Fling deals damage equal to the sacrificed creature's power to any target.

Attunement

Return this enchantment to its owner's hand: Draw three cards, then discard four cards.

Chaos Moon

At the beginning of each upkeep, count the number of permanents. If the number is odd, until end of turn, red creatures get +1/+1 and whenever a player taps a Mountain for mana, that player adds an additional {R}. If the number is even, until end of turn, red creatures get -1/-1 and if a player taps a Mountain for mana, that Mountain produces colorless mana instead of any other type.

Circular Logic

Counter target spell unless its controller pays {1} for each card in your graveyard.
Madness {U} (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.)

Impulse

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

Deep Analysis

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.)

Bloodfire Infusion

Enchant creature you control
{R}, Sacrifice enchanted creature: This Aura deals damage equal to the sacrificed creature's power to each creature.

Lilting Refrain

At the beginning of your upkeep, you may put a verse counter on this enchantment.
Sacrifice this enchantment: Counter target spell unless its controller pays {X}, where X is the number of verse counters on this enchantment.

Tsabo's Web

When this artifact enters, draw a card.
Each land with an activated ability that isn't a mana ability doesn't untap during its controller's untap step.

Elephant Grass

Cumulative upkeep {1} (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.)
Black creatures can't attack you.
Nonblack creatures can't attack you unless their controller pays {2} for each creature they control that's attacking you.

Eladamri's Vineyard

At the beginning of each player's first main phase, that player adds {G}{G}.

City of Brass

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

Careful Study

High Seas

Red creature spells and green creature spells cost {1} more to cast.

Cephalid Coliseum

{T}: Add {U}. This land deals 1 damage to you.
Threshold — {U}, {T}, Sacrifice this land: Target player draws three cards, then discards three cards. Activate only if there are seven or more cards in your graveyard.

Forbid

Buyback—Discard two cards. (You may discard two cards in addition to any other costs as you cast this spell. If you do, put this card into your hand as it resolves.)
Counter target spell.

Jester's Cap

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

Pyroblast

Choose one —
• Counter target spell if it's blue.
• Destroy target permanent if it's blue.

Jester's Mask

This artifact enters tapped.
{1}, {T}, Sacrifice this artifact: Target opponent puts the cards from their hand on top of their library. Search that player's library for that many cards. That player puts those cards into their hand, then shuffles.

Ankh of Mishra

Whenever a land enters, this artifact deals 2 damage to that land's controller.

Altar of Dementia

Sacrifice a creature: Target player mills cards equal to the sacrificed creature's power.

Gemstone Mine

This land enters with three mining counters on it.
{T}, Remove a mining counter from this land: Add one mana of any color. If there are no mining counters on this land, sacrifice it.

Anger

Haste
As long as this card is in your graveyard and you control a Mountain, creatures you control have haste.

Ancestral Memories

Look at the top seven cards of your library. Put two of them into your hand and the rest into your graveyard.

Ancient Tomb

{T}: Add {C}{C}. This land deals 2 damage to you.

Aether Tide

As an additional cost to cast this spell, discard X creature cards.
Return X target creatures to their owners' hands.

Flaring Pain

Damage can't be prevented this turn.
Flashback {R} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Counterspell

Disrupt

Counter target instant or sorcery spell unless its controller pays {1}.
Draw a card.

Flash of Insight

Look at the top X cards of your library. Put one of them into your hand and the rest on the bottom of your library in any order.
Flashback—{1}{U}, Exile X blue cards from your graveyard. (You may cast this card from your graveyard for its flashback cost, then exile it. You can't exile Flash of Insight to pay for its own flashback cost.)

Phyrexian Devourer

When this creature's power is 7 or greater, sacrifice it.
Exile the top card of your library: Put X +1/+1 counters on this creature, where X is the exiled card's mana value.

Red Elemental Blast

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

Lion's Eye Diamond

Discard your hand, Sacrifice this artifact: Add three mana of any one color. Activate only as an instant.

Hydroblast

Choose one —
• Counter target spell if it's red.
• Destroy target permanent if it's red.

Anarchy

Mogg Salvage

If an opponent controls an Island and you control a Mountain, you may cast this spell without paying its mana cost.
Destroy target artifact.

Volcanic Spray

Volcanic Spray deals 1 damage to each creature without flying and each player.
Flashback {1}{R} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Sky Diamond

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

Snap

Return target creature to its owner's hand. Untap up to two lands.

Pyroclasm

Pyroclasm deals 2 damage to each creature.

City of Traitors

When you play another land, sacrifice this land.
{T}: Add {C}{C}.

Blood Moon

Hoodwink

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

Fact or Fiction

Reveal the top five cards of your library. An opponent separates those cards into two piles. Put one pile into your hand and the other into your graveyard.

Aura Flux

Other enchantments have "At the beginning of your upkeep, sacrifice this enchantment unless you pay {2}."

Shivan Reef

{T}: Add {C}.
{T}: Add {U} or {R}. This land deals 1 damage to you.

Crash

You may sacrifice a Mountain rather than pay this spell's mana cost.
Destroy target artifact.

Cathodion

Chromatic Sphere

{1}, {T}, Sacrifice this artifact: Add one mana of any color. Draw a card.

Frantic Search

Draw two cards, then discard two cards. Untap up to three lands.

Sapphire Medallion

Blue spells you cast cost {1} less to cast.

Legerdemain

Exchange control of target artifact or creature and another target permanent that shares one of those types with it. (This effect lasts indefinitely.)

Goblin Welder

{T}: Choose target artifact a player controls and target artifact card in that player's graveyard. If both targets are still legal as this ability resolves, that player simultaneously sacrifices the artifact and returns the artifact card to the battlefield.