Cream of the Crop

Whenever a creature you control enters, you may look at the top X cards of your library, where X is that creature's power. If you do, put one of those cards on top of your library and the rest on the bottom of your library in any order.

Fastbond

You may play any number of lands on each of your turns.
Whenever you play a land, if it wasn't the first land you played this turn, Fastbond deals 1 damage to you.

Land Tax

At the beginning of your upkeep, if an opponent controls more lands than you, you may search your library for up to three basic land cards, reveal them, put them into your hand, then shuffle.

Helm of Awakening

Cloven Casting

Whenever you cast a multicolored instant or sorcery spell, you may pay {1}. If you do, copy that spell. You may choose new targets for the copy.

Flowstone Surge

Magnetic Mine

Whenever another artifact is put into a graveyard from the battlefield, Magnetic Mine deals 2 damage to that artifact's controller.

Feast of Sanity

Whenever you discard a card, Feast of Sanity deals 1 damage to any target and you gain 1 life.

Well of Discovery

At the beginning of your end step, if you control no untapped lands, draw a card.

Mindlock Orb

Jade Monolith

{1}: The next time a source of your choice would deal damage to target creature this turn, that source deals that damage to you instead.

Cunning Evasion

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

Death Pits of Rath

Whenever a creature is dealt damage, destroy it. It can't be regenerated.

Elemental Bond

Whenever a creature you control with power 3 or greater enters, draw a card.

The Immortal Sun

Players can't activate planeswalkers' loyalty abilities.
At the beginning of your draw step, draw an additional card.
Spells you cast cost {1} less to cast.
Creatures you control get +1/+1.

Burning Sands

Whenever a creature dies, that creature's controller sacrifices a land of their choice.

Howling Mine

At the beginning of each player's draw step, if Howling Mine is untapped, that player draws an additional card.

Favor of the Mighty

Each creature with the highest mana value has protection from each color.

Crawlspace

No more than two creatures can attack you each combat.

Brokers Ascendancy

At the beginning of your end step, put a +1/+1 counter on each creature you control and a loyalty counter on each planeswalker you control.

Pendrell Mists

All creatures have "At the beginning of your upkeep, sacrifice this creature unless you pay {1}."

Caverns of Despair

No more than two creatures can attack each combat.
No more than two creatures can block each combat.

Thran Lens

Foster

Whenever a creature you control dies, you may pay {1}. If you do, reveal cards from the top of your library until you reveal a creature card. Put that card into your hand and the rest into your graveyard.

Pyramids

{2}: Choose one —
• Destroy target Aura attached to a land.
• The next time target land would be destroyed this turn, remove all damage marked on it instead.

Mana Matrix

Instant and enchantment spells you cast cost {2} less to cast.

Zuran Orb

Mana Flare

Whenever a player taps a land for mana, that player adds one mana of any type that land produced.

Ashnod's Altar

Throne of the God-Pharaoh

At the beginning of your end step, each opponent loses life equal to the number of tapped creatures you control.

Glare of Subdual

Tap an untapped creature you control: Tap target artifact or creature.

Thrumming Stone

Spells you cast have ripple 4. (Whenever you cast a spell, you may reveal the top four cards of your library. You may cast spells with the same name as that spell from among the revealed cards without paying their mana costs. Put the rest on the bottom of your library.)

Unwinding Clock

Untap all artifacts you control during each other player's untap step.

Ajani's Mantra

At the beginning of your upkeep, you may gain 1 life.

Shield of the Ages

{2}: Prevent the next 1 damage that would be dealt to you this turn.

Aether Charge

Whenever a Beast you control enters, you may have it deal 4 damage to target opponent or planeswalker.

Exploration

You may play an additional land on each of your turns.

Angel's Trumpet

All creatures have vigilance.
At the beginning of each player's end step, tap all untapped creatures that player controls that didn't attack this turn. Angel's Trumpet deals damage to the player equal to the number of creatures tapped this way.

Well of Knowledge

{2}: Draw a card. Any player may activate this ability but only during their draw step.

Concordant Crossroads

Dovescape

({W/U} can be paid with either {W} or {U}.)
Whenever a player casts a noncreature spell, counter that spell. That player creates X 1/1 white and blue Bird creature tokens with flying, where X is the spell's mana value.

Moldervine Reclamation

Whenever a creature you control dies, you gain 1 life and draw a card.

Earnest Fellowship

Each creature has protection from its colors.

Umbilicus

At the beginning of each player's upkeep, that player may pay 2 life. If they don't, they return a permanent they control to its owner's hand.

Weathered Runestone

Nonland permanent cards in graveyards and libraries can't enter the battlefield.
Players can't cast spells from graveyards or libraries.

Mind's Eye

Whenever an opponent draws a card, you may pay {1}. If you do, draw a card.

Caltrops

Whenever a creature attacks, Caltrops deals 1 damage to it.

Well of Lost Dreams

Whenever you gain life, you may pay {X}, where X is less than or equal to the amount of life you gained. If you do, draw X cards.

Embargo

Nonland permanents don't untap during their controllers' untap steps.
At the beginning of your upkeep, you lose 2 life.

Future Sight

Play with the top card of your library revealed.
You may play lands and cast spells from the top of your library.

Dragon Appeasement

Skip your draw step.
Whenever you sacrifice a creature, you may draw a card.

Exquisite Blood

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

Castle

Untapped creatures you control get +0/+2.

Military Intelligence

Whenever you attack with two or more creatures, draw a card.

Faces of the Past

Whenever a creature dies, tap all untapped creatures that share a creature type with it or untap all tapped creatures that share a creature type with it.

Ajani's Welcome

Whenever a creature you control enters, you gain 1 life.

Life Chisel

Sacrifice a creature: You gain life equal to the sacrificed creature's toughness. Activate only during your upkeep.

Customs Depot

Whenever you cast a creature spell, you may pay {1}. If you do, draw a card, then discard a card.

Darksteel Forge

Artifacts you control have indestructible. (Effects that say "destroy" don't destroy them. Artifact creatures with indestructible can't be destroyed by damage.)

Ghirapur Orrery

Each player may play an additional land on each of their turns.
At the beginning of each player's upkeep, if that player has no cards in hand, that player draws three cards.

Soldevi Digger

{2}: Put the top card of your graveyard on the bottom of your library.

Imi Statue

Players can't untap more than one artifact during their untap steps.

Bubble Matrix

Prevent all damage that would be dealt to creatures.

Alhammarret's Archive

If you would gain life, you gain twice that much life instead.
If you would draw a card except the first one you draw in each of your draw steps, draw two cards instead.

Protection of the Hekma

If a source an opponent controls would deal damage to you, prevent 1 of that damage.

Null Rod

Activated abilities of artifacts can't be activated.

Arcane Melee

Instant and sorcery spells cost {2} less to cast.

Altar of Dementia

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

Cryptic Gateway

Tap two untapped creatures you control: You may put a creature card from your hand that shares a creature type with each creature tapped this way onto the battlefield.

Heartless Summoning

Creature spells you cast cost {2} less to cast.
Creatures you control get -1/-1.

Venser's Journal

You have no maximum hand size.
At the beginning of your upkeep, you gain 1 life for each card in your hand.

Commander's Insignia

Creatures you control get +1/+1 for each time you've cast your commander from the command zone this game.

Secrets of the Dead

Whenever you cast a spell from your graveyard, draw a card.

Blinkmoth Urn

At the beginning of each player's first main phase, if Blinkmoth Urn is untapped, that player adds {C} for each artifact they control.

Sigarda's Aid

You may cast Aura and Equipment spells as though they had flash.
Whenever an Equipment you control enters, you may attach it to target creature you control.

Contemplation

Whenever you cast a spell, you gain 1 life.

Feed the Pack

At the beginning of your end step, you may sacrifice a nontoken creature. If you do, create X 2/2 green Wolf creature tokens, where X is the sacrificed creature's toughness.

Deadly Wanderings

As long as you control exactly one creature, that creature gets +2/+0 and has deathtouch and lifelink.

Boon Reflection

If you would gain life, you gain twice that much life instead.

Thorn of Amethyst

Noncreature spells cost {1} more to cast.

Forcefield

{1}: The next time an unblocked creature of your choice would deal combat damage to you this turn, prevent all but 1 of that damage.

Aura Fracture

Sacrifice a land: Destroy target enchantment.

Growing Ranks

At the beginning of your upkeep, populate. (Create a token that's a copy of a creature token you control.)

Eon Hub

Aether Rift

At the beginning of your upkeep, discard a card at random. If you discard a creature card this way, return it from your graveyard to the battlefield unless any player pays 5 life.

Debtors' Knell

({W/B} can be paid with either {W} or {B}.)
At the beginning of your upkeep, put target creature card from a graveyard onto the battlefield under your control.

Mark of Asylum

Prevent all noncombat damage that would be dealt to creatures you control.

Circle of Flame

Whenever a creature without flying attacks you or a planeswalker you control, Circle of Flame deals 1 damage to that creature.

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 Portcullis leaves the battlefield.

Infernal Tribute

{2}, Sacrifice a nontoken permanent: Draw a card.

Hissing Miasma

Whenever a creature attacks you, its controller loses 1 life.

Burgeoning

Whenever an opponent plays a land, you may put a land card from your hand onto the battlefield.

Angelic Chorus

Whenever a creature you control enters, you gain life equal to its toughness.

Well of Life

At the beginning of your end step, if you control no untapped lands, you gain 2 life.

Aether Flash

Whenever a creature enters, Aether Flash deals 2 damage to it.

Aetherflux Reservoir

Whenever you cast a spell, you gain 1 life for each spell you've cast this turn.
Pay 50 life: Aetherflux Reservoir deals 50 damage to any target.

Storm Cauldron

Each player may play an additional land during each of their turns.
Whenever a land is tapped for mana, return it to its owner's hand.

Dictate of the Twin Gods

Flash
If a source would deal damage to a permanent or player, it deals double that damage to that permanent or player instead.

Sacred Armory

{2}: Target creature gets +1/+0 until end of turn.

Fluctuator

Cycling abilities you activate cost {2} less to activate.

Crucible of Worlds

Urza's Filter

Multicolored spells cost {2} less to cast.

Axis of Mortality

At the beginning of your upkeep, you may have two target players exchange life totals.