Small creatures whose text stops your opponents doing something — searching, untapping, casting for free. A body attached to a rule change.
73%Esper Sentinel Artifact Creature — Human SoldierWhenever an opponent casts their first noncreature spell each turn, draw a card unless that player pays {X}, where X is this creat$61.01
70%Grand Abolisher Creature — Human ClericDuring your turn, your opponents can't cast spells or activate abilities of artifacts, creatures, or enchantments.$18.58
81%Drannith Magistrate Creature — Human WizardYour opponents can't cast spells from anywhere other than their hands.$13.97
80%Aven Mindcensor Creature — Bird WizardFlash Flying If an opponent would search a library, that player searches the top four cards of that library instead.$1.68
73%Thalia, Heretic Cathar Legendary Creature — Human SoldierFirst strike Creatures and nonbasic lands your opponents control enter tapped.$2.05
78%Grand Arbiter Augustin IV Legendary Creature — Human AdvisorWhite spells you cast cost {1} less to cast. Blue spells you cast cost {1} less to cast. Spells your opponents cast cost {1} more $18.32
76%Manglehorn Creature — BeastWhen this creature enters, you may destroy target artifact. Artifacts your opponents control enter tapped.$0.99
94%Thalia, Guardian of Thraben Legendary Creature — Human SoldierFirst strike Noncreature spells cost {1} more to cast.$0.39
83%Harsh Mentor Creature — Human ClericWhenever an opponent activates an ability of an artifact, creature, or land on the battlefield, if it isn't a mana ability, this c$0.29
74%Collector Ouphe Creature — OupheActivated abilities of artifacts can't be activated.$3.47
73%Baird, Steward of Argive Legendary Creature — Human SoldierVigilance Creatures can't attack you or planeswalkers you control unless their controller pays {1} for each of those creatures.$0.34
71%Ethersworn Canonist Artifact Creature — Human ClericEach player who has cast a nonartifact spell this turn can't cast additional nonartifact spells.$5.16
75%Lavinia, Azorius Renegade Legendary Creature — Human SoldierEach opponent can't cast noncreature spells with mana value greater than the number of lands that player controls. Whenever an opp$0.66
70%Kinjalli's Sunwing Creature — DinosaurFlying Creatures your opponents control enter tapped.$0.94
79%Esior, Wardwing Familiar Legendary Creature — BirdFlying Spells your opponents cast that target one or more commanders you control cost {3} more to cast. Partner (You can have two $0.79
71%Charix, the Raging Isle Legendary Creature — Leviathan CrabSpells your opponents cast that target Charix cost {2} more to cast. {3}: Charix gets +X/-X until end of turn, where X is the numb$0.41
74%Nils, Discipline Enforcer Legendary Creature — Human ClericAt the beginning of your end step, for each player, put a +1/+1 counter on up to one target creature that player controls. Each cr$0.36
73%Unsettled Mariner Creature — ShapeshifterChangeling (This card is every creature type.) Whenever you or a permanent you control becomes the target of a spell or ability an$3.96
70%Dauntless Dismantler Creature — Human ArtificerArtifacts your opponents control enter tapped. {X}{X}{W}, Sacrifice this creature: Destroy each artifact with mana value X.$0.29
74%Kopala, Warden of Waves Legendary Creature — Merfolk WizardSpells your opponents cast that target a Merfolk you control cost {2} more to cast. Abilities your opponents activate that target $0.36
70%Diffusion Sliver Creature — SliverWhenever a Sliver creature you control becomes the target of a spell or ability an opponent controls, counter that spell or abilit$4.19
73%Containment Priest Creature — Human ClericFlash If a nontoken creature would enter and it wasn't cast, exile it instead.$0.56
70%Spider-Woman, Stunning Savior Legendary Creature — Spider Human HeroFlying Venom Blast — Artifacts and creatures your opponents control enter tapped.$2.29
80%Phyrexian Revoker Artifact Creature — Phyrexian HorrorAs this creature enters, choose a nonland card name. Activated abilities of sources with the chosen name can't be activated.$0.37
73%Reidane, God of the Worthy // Valkmira, Protector's Shield Legendary Creature — God // Legendary ArtifactReidane, God of the Worthy: Flying, vigilance Snow lands your opponents control enter tapped. Noncreature spells your opponents ca$0.42
71%Onakke Oathkeeper Creature — Ogre SpiritCreatures can't attack planeswalkers you control unless their controller pays {1} for each creature they control that's attacking $1.88
84%Leonin Arbiter Creature — Cat ClericPlayers can't search libraries. Any player may pay {2} for that player to ignore this effect until end of turn.$0.49
89%Tithe Taker Creature — Human SoldierDuring your turn, spells your opponents cast cost {1} more to cast and abilities your opponents activate cost {1} more to activate$0.34
72%Gnat Miser Creature — Rat ShamanEach opponent's maximum hand size is reduced by one.$1.02
81%Vryn Wingmare Creature — PegasusFlying Noncreature spells cost {1} more to cast.$0.25
Prices and legality come from Scryfall. Every card here was scored by the same search that runs when you type a question.
