Thopter Arrest

When Thopter Arrest enters, exile target artifact or creature an opponent controls until Thopter Arrest leaves the battlefield.

Negate

Unwind

Counter target noncreature spell. Untap up to three lands.

Torpor Orb

Creatures entering don't cause abilities to trigger.

Azorius Arrester

When Azorius Arrester enters, detain target creature an opponent controls. (Until your next turn, that creature can't attack or block and its activated abilities can't be activated.)

Swan Song

Counter target enchantment, instant, or sorcery spell. Its controller creates a 2/2 blue Bird creature token with flying.

Demotion

Enchant creature
Enchanted creature can't block, and its activated abilities can't be activated.

Dovin's Veto

This spell can't be countered.
Counter target noncreature spell.

Encrust

Enchant artifact or creature
Enchanted permanent doesn't untap during its controller's untap step and its activated abilities can't be activated.

Mana Leak

Counter target spell unless its controller pays {3}.

Unwinding Clock

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

Humility

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

Arcane Denial

Counter target spell. Its controller may draw up to two cards at the beginning of the next turn's upkeep.
You draw a card at the beginning of the next turn's upkeep.

Rewind

Counter target spell. Untap up to four lands.

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.

Wash Away

Cleave {1}{U}{U} (You may cast this spell for its cleave cost. If you do, remove the words in square brackets.)
Counter target spell [that wasn't cast from its owner's hand].

Disallow

Counter target spell, activated ability, or triggered ability. (Mana abilities can't be targeted.)

Detainment Spell

Enchant creature
Enchanted creature's activated abilities can't be activated.
{1}{W}: Attach Detainment Spell to target creature.

Tale's End

Counter target activated ability, triggered ability, or legendary spell.

Desert's Hold

Enchant creature
When Desert's Hold enters, if you control a Desert or there is a Desert card in your graveyard, you gain 3 life.
Enchanted creature can't attack or block, and its activated abilities can't be activated.

Cursed Totem

Activated abilities of creatures can't be activated.

Counterspell

Azorius Guildmage

{2}{W}: Tap target creature.
{2}{U}: Counter target activated ability. (Mana abilities can't be targeted.)

Supreme Verdict

This spell can't be countered.
Destroy all creatures.

Dovin Baan

+1: Until your next turn, up to one target creature gets -3/-0 and its activated abilities can't be activated.
−1: You gain 2 life and draw a card.
−7: You get an emblem with "Your opponents can't untap more than two permanents during their untap steps."

Arrest

Enchant creature
Enchanted creature can't attack or block, and its activated abilities can't be activated.