Spells and abilities your opponents control can't cause their controller to search their library. −1: Target player mills four cards. Then exile each opponent's graveyard.

Artifact and enchantment spells your opponents cast cost {2} more to cast. Sacrifice Aura of Silence: Destroy target artifact or enchantment.

Flash Flying If an opponent would search a library, that player searches the top four cards of that library instead.

Flash If a nontoken creature would enter the battlefield and it wasn't cast, exile it instead.

Artifacts your opponents control enter the battlefield tapped. {X}{X}{W}, Sacrifice Dauntless Dismantler: Destroy each artifact with mana value X.

Creatures without flying can't attack.

Each opponent can't draw more than one card each turn. −2: Look at the top four cards of your library. You may reveal a noncreature, nonland card from among them and put it into your hand. Put the rest on the bottom of your library in a random order.

{T}, Sacrifice Nihil Spellbomb: Exile target player's graveyard. When Nihil Spellbomb is put into a graveyard from the battlefield, you may pay {B}. If you do, draw a card.

Counter target spell.

Counter target instant spell.

You may discard an Island card and another card rather than pay this spell's mana cost. Counter target spell.

Replicate {U} (When you cast this spell, copy it for each time you paid its replicate cost. You may choose new targets for the copies.) Counter target spell unless its controller pays {2}.

Counter target spell unless its controller pays {1}.

Counter target instant or sorcery spell. Transmute {1}{U}{U} ({1}{U}{U}, Discard this card: Search your library for a card with the same mana value as this card, reveal it, put it into your hand, then shuffle. Transmute only as a sorcery.)

Counter target noncreature spell.

Counter target noncreature spell unless its controller pays {2}.

Counter target spell with mana value 2.

Whenever an artifact is put into a graveyard from the battlefield, you may have target opponent lose 1 life.

You may cast spells this turn as though they had flash. Draw a card.

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

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

Draw three cards. Islandcycling {1} ({1}, Discard this card: Search your library for an Island card, reveal it, put it into your hand, then shuffle.)

Flying When Mulldrifter enters the battlefield, draw two cards. Evoke {2}{U} (You may cast this spell for its evoke cost. If you do, it's sacrificed when it enters the battlefield.)

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.) Whenever an opponent casts a noncreature spell, you may draw a card unless that player pays {4}.

Scry 1. Draw a card.

Draw a card. Scry 2.

Target player draws two cards and loses 2 life.

Swampwalk (This creature can't be blocked as long as defending player controls a Swamp.) Cycling—Pay 2 life. (Pay 2 life, Discard this card: Draw a card.)

{U}, Sacrifice Aether Spellbomb: Return target creature to its owner's hand. {1}, Sacrifice Aether Spellbomb: Draw a card.

Exile target creature you control, then return that card to the battlefield under your control.

All creatures get -4/-4 until end of turn.

Cast this spell only during combat. Your opponents can't cast spells this turn. End the combat phase. (Remove all attackers and blockers from combat. Exile all spells and abilities from the stack, including this spell.)

Exile target creature. Its controller may search their library for a basic land card, put that card onto the battlefield tapped, then shuffle.

This spell can't be copied. Choose one. If an opponent has eight or more cards in their graveyard, you may choose both. • Copy target spell. You may choose new targets for the copy. (A copy of a permanent spell becomes a token.) • Create a token that's a copy of target creature.

When Touch the Spirit Realm enters the battlefield, exile up to one target artifact or creature until Touch the Spirit Realm leaves the battlefield. Channel — {1}{W}, Discard Touch the Spirit Realm: Exile target artifact or creature. Return it to the battlefield under its owner's control at the beginning of the next end step.

This spell can't be countered. Destroy target nonland permanent.

{T}: Add {C}. Basic landcycling {1} ({1}, Discard this card: Search your library for a basic land card, reveal it, put it into your hand, then shuffle.)

Barren Moor enters the battlefield tapped. {T}: Add {B}. Cycling {B} ({B}, Discard this card: Draw a card.)

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

{T}: Add {C}. {1}, {T}, Sacrifice Emergence Zone: You may cast spells this turn as though they had flash.

({T}: Add {U}.)

Lonely Sandbar enters the battlefield tapped. {T}: Add {U}. Cycling {U} ({U}, Discard this card: Draw a card.)

({T}: Add {W}.)

Secluded Steppe enters the battlefield tapped. {T}: Add {W}. Cycling {W} ({W}, Discard this card: Draw a card.)

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

{T}: Add one mana of any color in your commander's color identity. Sacrifice Commander's Sphere: Draw a card.

Add {B}{B}{B}.

{T}: Add {C}. {1}, {T}, Sacrifice Mind Stone: Draw a card.

Flying {T}: Add one mana of any color.

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

{T}: Add {C}. {T}: Add {U} or {B}. Talisman of Dominance deals 1 damage to you.

{T}: Add {C}. {T}: Add {W} or {B}. Talisman of Hierarchy deals 1 damage to you.

({2/B} can be paid with any two mana or with {B}. This card's mana value is 6.) Search your library for a card with mana value less than or equal to the number of lands you control, reveal it, put it into your hand, then shuffle.

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

Fear (This creature can't be blocked except by artifact creatures and/or black creatures.) Sacrifice a creature: Regenerate Dimir House Guard. Transmute {1}{B}{B} ({1}{B}{B}, Discard this card: Search your library for a card with the same mana value as this card, reveal it, put it into your hand, then shuffle. Transmute only as a sorcery.)

Dimir Infiltrator can't be blocked. Transmute {1}{U}{B} ({1}{U}{B}, Discard this card: Search your library for a card with the same mana value as this card, reveal it, put it into your hand, then shuffle. Transmute only as a sorcery.)

Target creature gets -3/-0 until end of turn. Transmute {1}{U}{U} ({1}{U}{U}, Discard this card: Search your library for a card with the same mana value as this card, reveal it, put it into your hand, then shuffle. Transmute only as a sorcery.)

Defender (This creature can't attack.) Flying Transmute {1}{U}{U} ({1}{U}{U}, Discard this card: Search your library for a card with the same mana value as this card, reveal it, put it into your hand, then shuffle. Transmute only as a sorcery.)

Search your library for an artifact card, reveal it, put it into your hand, then shuffle.

Look at the top five cards of your library. As many times as you choose, you may pay 1 life, put those cards on the bottom of your library in any order, then look at the top five cards of your library. Then shuffle and put the last cards you looked at this way on top in any order.

Counter target spell unless its controller discards their hand. Transmute {1}{U}{B} ({1}{U}{B}, Discard this card: Search your library for a card with the same mana value as this card, reveal it, put it into your hand, then shuffle. Transmute only as a sorcery.)

Exile up to four target cards from a single graveyard. Transmute {1}{B}{B} ({1}{B}{B}, Discard this card: Search your library for a card with the same mana value as this card, reveal it, put it into your hand, then shuffle. Transmute only as a sorcery.)

When Tribute Mage enters the battlefield, you may search your library for an artifact card with mana value 2, reveal that card, put it into your hand, then shuffle.

If you would create a Clue, Food, or Treasure token, instead create one of each.

Commander creatures you own have "Whenever an artifact or creature you control is put into a graveyard from the battlefield, each opponent loses 1 life."

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

Choose one — • Destroy all creatures. • Destroy all artifacts and enchantments.

Target player draws three cards. Then that player discards two cards unless they discard a land card.

{T}: Add {C}. {T}, Sacrifice Crystal Vein: Add {C}{C}.

Activated abilities of creatures can't be activated.

Destroy target creature. A creature destroyed this way can't be regenerated. Overload {2}{W}{W} (You may cast this spell for its overload cost. If you do, change "target" in its text to "each.")

Enchant creature Enchanted creature is an Insect artifact creature with base power and toughness 0/1 and has indestructible, and it loses all other abilities, card types, and creature types.

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

Artifact, instant, and sorcery spells your opponents cast cost {1} more to cast. −1: Until your next turn, prevent all damage that would be dealt to and dealt by target permanent an opponent controls.

Counter target creature spell.

Return all noncreature, nonland permanents to their owners' hands.

If it's not your turn, you may exile a black card from your hand rather than pay this spell's mana cost. Destroy all creatures that entered the battlefield this turn.

Destroy target artifact, enchantment, or planeswalker.

Exile two target artifacts, creatures, and/or lands you control, then return those cards to the battlefield under your control.

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

Search your library for a card and put that card into your hand. If this spell was cast from a graveyard, instead search your library for two cards and put those cards into your hand. Then shuffle. Flashback {7}{B} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Whenever a player casts their second spell each turn, you lose 1 life and create a Treasure token. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.")

As an additional cost to cast this spell, you may exile any number of white cards from your hand. This spell costs {2} less to cast for each card exiled this way. Exile target artifact, creature, or enchantment with mana value X or less.

As an additional cost to cast this spell, you may exile any number of blue cards from your hand. This spell costs {2} less to cast for each card exiled this way. Up to X target creatures phase out. (While they're phased out, they're treated as though they don't exist. Each one phases in before its controller untaps during their next untap step.)

{T}: Add {U}. {2}{U}: Put an hour counter on Midnight Clock. At the beginning of each upkeep, put an hour counter on Midnight Clock. When the twelfth hour counter is put on Midnight Clock, shuffle your hand and graveyard into your library, then draw seven cards. Exile Midnight Clock.

Flying Whenever you create or sacrifice a token, each opponent loses 1 life.

{1}, {T}, Sacrifice Moonsilver Key: Search your library for an artifact card with a mana ability or a basic land card, reveal it, put it into your hand, then shuffle.

Choose one — • Return target multicolored permanent card with mana value 3 or less from your graveyard to the battlefield tapped. • Counter target instant or sorcery spell. • Destroy target creature or planeswalker with mana value 3 or less.

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

Search target opponent's library for a card and exile it face down. Then that player shuffles. You may look at and play that card for as long as it remains exiled.

Scry 2, then draw a card. (To scry 2, look at the top two cards of your library, then put any number of them on the bottom and the rest on top in any order.)

Scry 2, then draw two cards. You lose 2 life.

Whenever you cast a noncreature spell, create an X/X blue Shark creature token with flying, where X is that spell's mana value. Cycling {X}{1}{U} ({X}{1}{U}, Discard this card: Draw a card.) When you cycle Shark Typhoon, create an X/X blue Shark creature token with flying.

{1}, {T}: Draw two cards, then discard a card. Create a 1/1 colorless Pilot creature token with "This creature crews Vehicles as though its power were 2 greater." Crew 8 (Tap any number of creatures you control with total power 8 or more: This Vehicle becomes an artifact creature until end of turn.) Shorikai, Genesis Engine can be your commander.

Flying Whenever a permanent entering the battlefield causes a triggered ability to trigger, counter that ability unless its controller pays {2}.

Equipped creature gets +1/+2. Equip {2} Whenever a 1/1 creature enters the battlefield under your control, you may return Sword of the Meek from your graveyard to the battlefield, then attach it to that creature.

Exile target creature. Its controller gains life equal to its power.

Draw three cards. Then discard two cards unless you discard an artifact card.

{1}, Sacrifice a nontoken artifact: Create a 1/1 blue Thopter artifact creature token with flying. You gain 1 life.

Each player discards their hand, then draws cards equal to the greatest number of cards a player discarded this way.