Whenever enchanted creature attacks, scry 1. (Look at the top card of your library. You may put that card on the bottom.)
{2}{W}
Arrest
Enchantment - Aura
Enchant creature
Enchanted creature can't attack or block, and its activated abilities can't be activated.
{W}{U}
Azorius Charm
Instant
Choose one --
• Creatures you control gain lifelink until end of turn.
• Draw a card.
• Put target attacking or blocking creature on top of its owner's library.
{2}{W}
Banishing Light
Enchantment
When Banishing Light enters, exile target nonland permanent an opponent controls until Banishing Light leaves the battlefield.
{U}
Brainstorm
Instant
Draw three cards, then put two cards from your hand on top of your library in any order.
{W}
Brave the Elements
Instant
Choose a color. White creatures you control gain protection from the chosen color until end of turn.
--
Celestial Colonnade
Land
Celestial Colonnade enters the battlefield tapped.
{T}: Add {W} or {U}.
{3}{W}{U}: Until end of turn, Celestial Colonnade becomes a 4/4 white and blue Elemental creature with flying and vigilance. It's still a land.
--
Command Tower
Land
{T}: Add one mana of any color in your commander's color identity.
{U}{U}
Counterspell
Instant
Counter target spell.
{1}{U}
Cyclonic Rift
Instant
Return target nonland permanent you don't control to its owner's hand.
Overload {6}{U} (You may cast this spell for its overload cost. If you do, change "target" in its text to "each.")
{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.)
{1}{W}{U}
Ephara's Enlightenment
Enchantment - Aura
Enchant creature
When Ephara's Enlightenment enters the battlefield, put a +1/+1 counter on enchanted creature.
Enchanted creature has flying.
Whenever a creature enters the battlefield under your control, you may return Ephara's Enlightenment to its owner's hand.
--
Evolving Wilds
Land
{T}, Sacrifice Evolving Wilds: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.
--
Flooded Strand
Land
{T}, Pay 1 life, Sacrifice Flooded Strand: Search your library for a Plains or Island card, put it onto the battlefield, then shuffle.
{1}{W}{U}
Geist of Saint Traft
Legendary Creature - Spirit Cleric
Hexproof (This creature can't be the target of spells or abilities your opponents control.)
Whenever Geist of Saint Traft attacks, create a 4/4 white Angel creature token with flying that's tapped and attacking. Exile that token at end of combat.
2 /
2
--
Glacial Fortress
Land
Glacial Fortress enters tapped unless you control a Plains or an Island.
{T}: Add {W} or {U}.
--
Hallowed Fountain
Land - Plains Island
({T}: Add {W} or {U}.)
As Hallowed Fountain enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped.
{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.
--
Island
Basic Land - Island
({T}: Add {U}.)
--
Island
Basic Land - Island
({T}: Add {U}.)
--
Island
Basic Land - Island
({T}: Add {U}.)
{1}{W}{U}
Lyev Skyknight
Creature - Human Knight
Flying
When Lyev Skyknight enters the battlefield, detain target nonland permanent an opponent controls. (Until your next turn, that permanent can't attack or block and its activated abilities can't be activated.)
3 /
1
{1}{U}
Mana Leak
Instant
Counter target spell unless its controller pays {3}.
{X}{W}{W}
Martial Coup
Sorcery
Create X 1/1 white Soldier creature tokens. If X is 5 or more, destroy all other creatures.
{1}{U}
Memory Lapse
Instant
Counter target spell. If that spell is countered this way, put it on top of its owner's library instead of into that player's graveyard.
{1}{W/U}
Mistmeadow Witch
Creature - Kithkin Wizard
{2}{W}{U}: Exile target creature. Return that card to the battlefield under its owner's control at the beginning of the next end step.
1 /
1
{2}{W}
Monastery Mentor
Creature - Human Monk
Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.)
Whenever you cast a noncreature spell, create a 1/1 white Monk creature token with prowess.
2 /
2
{1}{U}
Negate
Instant
Counter target noncreature spell.
{W}{U}
New Prahv Guildmage
Creature - Human Wizard
{W}{U}: Target creature gains flying until end of turn.
{3}{W}{U}: Detain target nonland permanent an opponent controls. (Until your next turn, that permanent can't attack or block and its activated abilities can't be activated.)
2 /
2
{2}{W}
Oblivion Ring
Enchantment
When Oblivion Ring enters, exile another target nonland permanent.
When Oblivion Ring leaves the battlefield, return the exiled card to the battlefield under its owner's control.
{2}
Phyrexian Revoker
Artifact Creature - Phyrexian Horror
As Phyrexian Revoker enters the battlefield, choose a nonland card name.
Activated abilities of sources with the chosen name can't be activated.
2 /
1
--
Plains
Basic Land - Plains
({T}: Add {W}.)
--
Plains
Basic Land - Plains
({T}: Add {W}.)
--
Plains
Basic Land - Plains
({T}: Add {W}.)
--
Polluted Delta
Land
{T}, Pay 1 life, Sacrifice Polluted Delta: Search your library for an Island or Swamp card, put it onto the battlefield, then shuffle.
--
Reflecting Pool
Land
{T}: Add one mana of any type that a land you control could produce.
--
Reliquary Tower
Land
You have no maximum hand size.
{T}: Add {C}.
{2}{U}
Rhystic Study
Enchantment
Whenever an opponent casts a spell, you may draw a card unless that player pays {1}.
--
Rogue's Passage
Land
{T}: Add {C}.
{4}, {T}: Target creature can't be blocked this turn.
--
Seraph Sanctuary
Land
When Seraph Sanctuary enters the battlefield, you gain 1 life.
Whenever an Angel enters the battlefield under your control, you gain 1 life.
{T}: Add {C}.
{1}{W}{W}
Silverblade Paladin
Creature - Human Knight
Soulbond (You may pair this creature with another unpaired creature when either enters the battlefield. They remain paired for as long as you control both of them.)
As long as Silverblade Paladin is paired with another creature, both creatures have double strike.
2 /
2
{1}{U}
Snapcaster Mage
Creature - Human Wizard
Flash
When Snapcaster Mage enters the battlefield, target instant or sorcery card in your graveyard gains flashback until end of turn. The flashback cost is equal to its mana cost. (You may cast that card from your graveyard for its flashback cost. Then exile it.)
2 /
1
{X}{W}{U}{U}
Sphinx's Revelation
Instant
You gain X life and draw X cards.
{2}{W/U}
Steel of the Godhead
Enchantment - Aura
Enchant creature
As long as enchanted creature is white, it gets +1/+1 and has lifelink. (Damage dealt by the creature also causes its controller to gain that much life.)
As long as enchanted creature is blue, it gets +1/+1 and can't be blocked.
--
Temple of Enlightenment
Land
Temple of Enlightenment enters tapped.
When Temple of Enlightenment enters, scry 1.
{T}: Add {W} or {U}.
{2}{U}
Thassa, God of the Sea
Legendary Enchantment Creature - God
Indestructible
As long as your devotion to blue is less than five, Thassa isn't a creature. (Each {U} in the mana costs of permanents you control counts toward your devotion to blue.)
At the beginning of your upkeep, scry 1.
{1}{U}: Target creature you control can't be blocked this turn.
5 /
5
{2}{W}
Unquestioned Authority
Enchantment - Aura
Enchant creature
When Unquestioned Authority enters the battlefield, draw a card.
Enchanted creature has protection from creatures.
{1}{W}{U}
Wall of Denial
Creature - Wall
Defender, flying
Shroud (This creature can't be the target of spells or abilities.)
0 /
8
{X}{W}{W}{W}
White Sun's Zenith
Instant
Create X 2/2 white Cat creature tokens. Shuffle White Sun's Zenith into its owner's library.
--
Windswept Heath
Land
{T}, Pay 1 life, Sacrifice Windswept Heath: Search your library for a Forest or Plains card, put it onto the battlefield, then shuffle.
{W}
Ajani's Presence
Instant
Strive -- This spell costs {2}{W} more to cast for each target beyond the first.
Any number of target creatures each get +1/+1 and gain indestructible until end of turn. (Damage and effects that say "destroy" don't destroy them.)
{2}{W}
Battle Mastery
Enchantment - Aura
Enchant creature
Enchanted creature has double strike. (It deals both first-strike and regular combat damage.)
{1}{W}
Containment Priest
Creature - Human Cleric
Flash
If a nontoken creature would enter and it wasn't cast, exile it instead.
2 /
2
{1}{W}
Hero of Iroas
Creature - Human Soldier
Aura spells you cast cost {1} less to cast.
Heroic -- Whenever you cast a spell that targets Hero of Iroas, put a +1/+1 counter on Hero of Iroas.
2 /
2
--
Island
Basic Land - Island
({T}: Add {U}.)
{1}{U}{U}
Jace Beleren
Legendary Planeswalker - Jace
+2: Each player draws a card.
-1: Target player draws a card.
-10: Target player mills twenty cards.
L:
3
{1}{U}
Mirror Mockery
Enchantment - Aura
Enchant creature
Whenever enchanted creature attacks, you may create a token that's a copy of that creature. Exile that token at end of combat.
{1}{W}
Silkwrap
Enchantment
When Silkwrap enters the battlefield, exile target creature with mana value 3 or less an opponent controls until Silkwrap leaves the battlefield. (That creature returns under its owner's control.)
{U}
Stubborn Denial
Instant
Counter target noncreature spell unless its controller pays {1}.
Ferocious -- If you control a creature with power 4 or greater, counter that spell instead.
{3}
Whispersilk Cloak
Artifact - Equipment
Equipped creature can't be blocked and has shroud. (It can't be the target of spells or abilities.)