Grand Abolisher

During your turn, your opponents can't cast spells or activate abilities of artifacts, creatures, or enchantments.

Plains

Rhystic Study

Whenever an opponent casts a spell, you may draw a card unless that player pays {1}.

Ethersworn Canonist

Each player who has cast a nonartifact spell this turn can't cast additional nonartifact spells.

Back to Basics

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

Counterspell

Root Maze

Damping Matrix

Activated abilities of artifacts and creatures can't be activated unless they're mana abilities.

Silence

Your opponents can't cast spells this turn.

Mystic Remora

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}.

Cursed Totem

Activated abilities of creatures can't be activated.

Blind Obedience

Extort (Whenever you cast a spell, you may pay {W/B}. If you do, each opponent loses 1 life and you gain that much life.)
Artifacts and creatures your opponents control enter tapped.

Smothering Tithe

Whenever an opponent draws a card, that player may pay {2}. If the player doesn't, you create a Treasure token. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.")

Sky Diamond

Forest

Choke

Islands don't untap during their controllers' untap steps.

Humility

All creatures lose all abilities and have base power and toughness 1/1.

Marble Diamond

Marble Diamond enters tapped.
{T}: Add {W}.

Collector Ouphe

Activated abilities of artifacts can't be activated.

Seedborn Muse

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

Meekstone

Creatures with power 3 or greater don't untap during their controllers' untap steps.

Deafening Silence

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

Reliquary Tower

You have no maximum hand size.
{T}: Add {C}.

Orb of Dreams

Aura of Silence

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

Moss Diamond

Moss Diamond enters tapped.
{T}: Add {G}.

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.

Island

Grand Arbiter Augustin IV

White spells you cast cost {1} less to cast.
Blue spells you cast cost {1} less to cast.
Spells your opponents cast cost {1} more to cast.

Command Tower

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

Counterbalance

Whenever an opponent casts a spell, you may reveal the top card of your library. If you do, counter that spell if it has the same mana value as the revealed card.

Feroz's Ban

Zur's Weirding

Players play with their hands revealed.
If a player would draw a card, they reveal it instead. Then any other player may pay 2 life. If a player does, put that card into its owner's graveyard. Otherwise, that player draws a card.

Primal Order

At the beginning of each player's upkeep, Primal Order deals damage to that player equal to the number of nonbasic lands they control.

Gaddock Teeg

Noncreature spells with mana value 4 or greater can't be cast.
Noncreature spells with {X} in their mana costs can't be cast.

Derevi, Empyrial Tactician

Flying
When Derevi, Empyrial Tactician enters and whenever a creature you control deals combat damage to a player, you may tap or untap target permanent.
{1}{G}{W}{U}: Put Derevi onto the battlefield from the command zone.