As Alhammarret, High Arbiter enters the battlefield, each opponent reveals their hand. You choose the name of a nonland card revealed this way.
Your opponents can't cast spells with the chosen name (as long as this creature is on the battlefield).
5 /
5
{1}{U}
Anticipate
Instant
Look at the top three cards of your library. Put one of them into your hand and the rest on the bottom of your library in any order.
{4}{U}{U}
Arbiter of the Ideal
Creature - Sphinx
Flying
Inspired -- Whenever Arbiter of the Ideal becomes untapped, reveal the top card of your library. If it's an artifact, creature, or land card, you may put it onto the battlefield with a manifestation counter on it. That permanent is an enchantment in addition to its other types.
4 /
5
{2}{U}{U}
Argent Sphinx
Creature - Sphinx
Flying
Metalcraft -- {U}: Exile Argent Sphinx. Return it to the battlefield under your control at the beginning of the next end step. Activate only if you control three or more artifacts.
4 /
3
{3}{U}{U}{U}
Atemsis, All-Seeing
Legendary Creature - Sphinx
Flying
{2}{U}, {T}: Draw two cards, then discard a card.
Whenever Atemsis, All-Seeing deals damage to an opponent, you may reveal your hand. If cards with at least six different mana values are revealed this way, that player loses the game.
4 /
5
{4}{U}
Belltower Sphinx
Creature - Sphinx
Flying
Whenever a source deals damage to Belltower Sphinx, that source's controller mills that many cards.
2 /
5
{U}
Brainstorm
Instant
Draw three cards, then put two cards from your hand on top of your library in any order.
{1}{U}{U}
Cancel
Instant
Counter target spell.
{3}{U}
Capture Sphere
Enchantment - Aura
Flash (You may cast this spell any time you could cast an instant.)
Enchant creature
When Capture Sphere enters the battlefield, tap enchanted creature.
Enchanted creature doesn't untap during its controller's untap step.
{4}{U}{U}{U}
Chancellor of the Spires
Creature - Phyrexian Sphinx
You may reveal this card from your opening hand. If you do, at the beginning of the first upkeep, each opponent mills seven cards.
Flying
When Chancellor of the Spires enters the battlefield, you may cast target instant or sorcery card from an opponent's graveyard without paying its mana cost.
5 /
7
{1}{U}{U}
Charmed Sleep
Enchantment - Aura
Enchant creature
When Charmed Sleep enters the battlefield, tap enchanted creature.
Enchanted creature doesn't untap during its controller's untap step.
{5}{U}
Citywatch Sphinx
Creature - Sphinx
Flying
When Citywatch Sphinx dies, surveil 2. (Look at the top two cards of your library, then put any number of them into your graveyard and the rest on top of your library in any order.)
5 /
4
{1}{U}{U}
Claustrophobia
Enchantment - Aura
Enchant creature
When Claustrophobia enters the battlefield, tap enchanted creature.
Enchanted creature doesn't untap during its controller's untap step.
{4}{U}
Cloudreader Sphinx
Creature - Sphinx
Flying
When Cloudreader Sphinx enters the battlefield, scry 2. (Look at the top two cards of your library, then put any number of them on the bottom of your library and the rest on top in any order.)
3 /
4
{U}
Clutch of Currents
Sorcery
Return target creature to its owner's hand.
Awaken 3--{4}{U} (If you cast this spell for {4}{U}, also put three +1/+1 counters on target land you control and it becomes a 0/0 Elemental creature with haste. It's still a land.)
{2}{U}
Code of Constraint
Instant
Target creature gets -4/-0 until end of turn.
Draw a card.
Addendum -- If you cast this spell during your main phase, tap that creature and it doesn't untap during its controller's next untap step.
{2}{U}{U}
Conundrum Sphinx
Creature - Sphinx
Flying
Whenever Conundrum Sphinx attacks, each player chooses a card name. Then each player reveals the top card of their library. If the card a player revealed has the name they chose, that player puts it into their hand. If it doesn't, that player puts it on the bottom of their library.
4 /
4
{2}{U}{U}
Countermand
Instant
Counter target spell. Its controller mills four cards.
{U}{U}
Counterspell
Instant
Counter target spell.
{2}{U}
Crippling Chill
Instant
Tap target creature. It doesn't untap during its controller's next untap step.
Draw a card.
{1}{U}
Cunning Evasion
Enchantment
Whenever a creature you control becomes blocked, you may return it to its owner's hand.
{2}{U}{U}
Curator of Mysteries
Creature - Sphinx
Flying
Whenever you cycle or discard another card, scry 1.
Cycling {U} ({U}, Discard this card: Draw a card.)
4 /
4
{3}{U}
Decision Paralysis
Instant
Tap up to two target creatures. Those creatures don't untap during their controller's next untap step.
{2}{U}
Deep Freeze
Enchantment - Aura
Enchant creature
Enchanted creature has base power and toughness 0/4, has defender, loses all other abilities, and is a blue Wall in addition to its other colors and types.
{2}{U}{U}
Devious Cover-Up
Instant
Counter target spell. If that spell is countered this way, exile it instead of putting it into its owner's graveyard. You may shuffle up to four target cards from your graveyard into your library.
{2}{U}{U}
Dismiss
Instant
Counter target spell.
Draw a card.
{1}{U}{U}
Dissipate
Instant
Counter target spell. If that spell is countered this way, exile it instead of putting it into its owner's graveyard.
{1}{U}{U}
Dissolve
Instant
Counter target spell. Scry 1. (Look at the top card of your library. You may put that card on the bottom of your library.)
{3}
Extraplanar Lens
Artifact
Imprint -- When Extraplanar Lens enters the battlefield, you may exile target land you control.
Whenever a land with the same name as the exiled card is tapped for mana, its controller adds one mana of any type that land produced.
{2}{U}{U}
Failed Inspection
Instant
Counter target spell. Draw a card, then discard a card.
{1}{U}
Force Away
Instant
Return target creature to its owner's hand.
Ferocious -- If you control a creature with power 4 or greater, you may draw a card. If you do, discard a card.
{3}{U}
Fortune's Favor
Instant
Target opponent looks at the top four cards of your library and separates them into a face-down pile and a face-up pile. Put one pile into your hand and the other into your graveyard.
{3}{U}{U}
Glyph Keeper
Creature - Sphinx
Flying
Whenever Glyph Keeper becomes the target of a spell or ability for the first time each turn, counter that spell or ability.
Embalm {5}{U}{U} ({5}{U}{U}, Exile this card from your graveyard: Create a token that's a copy of it, except it's a white Zombie Sphinx with no mana cost. Embalm only as a sorcery.)
5 /
3
{5}{U}{U}
Goliath Sphinx
Creature - Sphinx
Flying
8 /
7
{3}{U}{U}
Guardian of Tazeem
Creature - Sphinx
Flying
Landfall -- Whenever a land enters the battlefield under your control, tap target creature an opponent controls. If that land is an Island, that creature doesn't untap during its controller's next untap step.
4 /
5
{5}{U}
Horizon Scholar
Creature - Sphinx
Flying
When Horizon Scholar enters the battlefield, scry 2. (Look at the top two cards of your library, then put any number of them on the bottom of your library and the rest on top in any order.)
4 /
4
{1}{U}
Ice Over
Enchantment - Aura
Enchant artifact or creature
Enchanted permanent doesn't untap during its controller's untap step.
{X}{U}
Icy Blast
Instant
Tap X target creatures.
Ferocious -- If you control a creature with power 4 or greater, those creatures don't untap during their controllers' next untap steps.
{2}{U}
Illusory Wrappings
Enchantment - Aura
Enchant creature
Enchanted creature has base power and toughness 0/2.
{2}{U}{U}
Insidious Will
Instant
Choose one --
• Counter target spell.
• You may choose new targets for target spell.
• Copy target instant or sorcery spell. You may choose new targets for the copy.
--
Island
Basic Land - Island
({T}: Add {U}.)
--
Island
Basic Land - Island
({T}: Add {U}.)
--
Island
Basic Land - Island
({T}: Add {U}.)
--
Island
Basic Land - Island
({T}: Add {U}.)
--
Island
Basic Land - Island
({T}: Add {U}.)
--
Island
Basic Land - Island
({T}: Add {U}.)
--
Island
Basic Land - Island
({T}: Add {U}.)
--
Island
Basic Land - Island
({T}: Add {U}.)
--
Island
Basic Land - Island
({T}: Add {U}.)
--
Island
Basic Land - Island
({T}: Add {U}.)
--
Island
Basic Land - Island
({T}: Add {U}.)
--
Island
Basic Land - Island
({T}: Add {U}.)
--
Island
Basic Land - Island
({T}: Add {U}.)
--
Island
Basic Land - Island
({T}: Add {U}.)
--
Island
Basic Land - Island
({T}: Add {U}.)
--
Island
Basic Land - Island
({T}: Add {U}.)
--
Island
Basic Land - Island
({T}: Add {U}.)
--
Island
Basic Land - Island
({T}: Add {U}.)
--
Island
Basic Land - Island
({T}: Add {U}.)
--
Island
Basic Land - Island
({T}: Add {U}.)
--
Island
Basic Land - Island
({T}: Add {U}.)
--
Island
Basic Land - Island
({T}: Add {U}.)
--
Island
Basic Land - Island
({T}: Add {U}.)
--
Island
Basic Land - Island
({T}: Add {U}.)
--
Island
Basic Land - Island
({T}: Add {U}.)
--
Island
Basic Land - Island
({T}: Add {U}.)
--
Island
Basic Land - Island
({T}: Add {U}.)
--
Island
Basic Land - Island
({T}: Add {U}.)
--
Island
Basic Land - Island
({T}: Add {U}.)
--
Island
Basic Land - Island
({T}: Add {U}.)
--
Island
Basic Land - Island
({T}: Add {U}.)
--
Island
Basic Land - Island
({T}: Add {U}.)
--
Island
Basic Land - Island
({T}: Add {U}.)
--
Island
Basic Land - Island
({T}: Add {U}.)
--
Island
Basic Land - Island
({T}: Add {U}.)
--
Island
Basic Land - Island
({T}: Add {U}.)
{4}{U}
Jwar Isle Avenger
Creature - Sphinx
Surge {2}{U} (You may cast this spell for its surge cost if you or a teammate has cast another spell this turn.)
Flying
3 /
3
{3}
Kefnet's Monument
Legendary Artifact
Blue creature spells you cast cost {1} less to cast.
Whenever you cast a creature spell, target creature an opponent controls doesn't untap during its controller's next untap step.
{3}{U}
Malfunction
Enchantment - Aura
Enchant artifact or creature
When Malfunction enters the battlefield, tap enchanted permanent.
Enchanted permanent doesn't untap during its controller's untap step.
{2}{U}{U}
Memory Drain
Instant
Counter target spell. Scry 2.
{3}{U}{U}
Prognostic Sphinx
Creature - Sphinx
Flying
Discard a card: Prognostic Sphinx gains hexproof until end of turn. Tap it.
Whenever Prognostic Sphinx attacks, scry 3.
3 /
5
{2}{U}
Quiet Contemplation
Enchantment
Whenever you cast a noncreature spell, you may pay {1}. If you do, tap target creature an opponent controls and it doesn't untap during its controller's next untap step.
{2}{U}{U}
Rescuer Sphinx
Creature - Sphinx
Flying
As Rescuer Sphinx enters the battlefield, you may return a nonland permanent you control to its owner's hand. If you do, Rescuer Sphinx enters the battlefield with a +1/+1 counter on it.
3 /
2
{4}{U}{U}
Riddlemaster Sphinx
Creature - Sphinx
Flying (This creature can't be blocked except by creatures with flying or reach.)
When Riddlemaster Sphinx enters the battlefield, you may return target creature an opponent controls to its owner's hand.
5 /
5
{U}
Rush of Ice
Sorcery
Tap target creature. It doesn't untap during its controller's next untap step.
Awaken 3--{4}{U} (If you cast this spell for {4}{U}, also put three +1/+1 counters on target land you control and it becomes a 0/0 Elemental creature with haste. It's still a land.)
{7}
Sandstone Oracle
Artifact Creature - Sphinx
Flying
When Sandstone Oracle enters the battlefield, choose an opponent. If that player has more cards in hand than you, draw cards equal to the difference.
4 /
4
{1}{U}
Send to Sleep
Instant
Tap up to two target creatures.
Spell mastery -- If there are two or more instant and/or sorcery cards in your graveyard, those creatures don't untap during their controllers' next untap steps.
{1}{U}
Singing Bell Strike
Enchantment - Aura
Enchant creature
When Singing Bell Strike enters the battlefield, tap enchanted creature.
Enchanted creature doesn't untap during its controller's untap step.
Enchanted creature has "{6}: Untap this creature."
{1}{U}
Slimebind
Enchantment - Aura
Flash
Enchant creature
Enchanted creature gets -4/-0.
{1}{U}{U}
Spell Snuff
Instant
Counter target spell.
Fateful hour -- If you have 5 or less life, draw a card.
{5}{U}{U}
Sphinx of Uthuun
Creature - Sphinx
Flying
When Sphinx of Uthuun enters the battlefield, reveal the top five cards of your library. An opponent separates those cards into two piles. Put one pile into your hand and the other into your graveyard.
5 /
6
{5}{U}{U}
Sphinx of the Final Word
Creature - Sphinx
This spell can't be countered.
Flying, hexproof
Instant and sorcery spells you control can't be countered.
5 /
5
{U}
Spontaneous Mutation
Enchantment - Aura
Flash
Enchant creature
Enchanted creature gets -X/-0, where X is the number of cards in your graveyard.
{2}{U}{U}
Statute of Denial
Instant
Counter target spell. If you control a blue creature, draw a card, then discard a card.
{U}
Take into Custody
Instant
Tap target creature. It doesn't untap during its controller's next untap step.
{3}{U}{U}
Tezzeret's Ambition
Sorcery
Draw three cards. If you control no artifacts, discard a card.
{1}{U}{U}
Thought Collapse
Instant
Counter target spell. Its controller mills three cards.
{4}{U}{U}
Unesh, Criosphinx Sovereign
Legendary Creature - Sphinx
Flying
Sphinx spells you cast cost {2} less to cast.
Whenever Unesh, Criosphinx Sovereign or another Sphinx enters the battlefield under your control, reveal the top four cards of your library. An opponent separates those cards into two piles. Put one pile into your hand and the other into your graveyard.
4 /
4
{U}
Unsummon
Instant
Return target creature to its owner's hand.
{1}{U}{U}
Waterknot
Enchantment - Aura
Enchant creature
When Waterknot enters the battlefield, tap enchanted creature.
Enchanted creature doesn't untap during its controller's untap step.