Enchanted creature has shroud. (It can't be the target of spells or abilities.)
{2}{U}{U}
Archaeomancer
Creature - Human Wizard
When Archaeomancer enters the battlefield, return target instant or sorcery card from your graveyard to your hand.
1 /
2
--
Barren Moor
Land
Barren Moor enters the battlefield tapped.
{T}: Add {B}.
Cycling {B} ({B}, Discard this card: Draw a card.)
{5}{B}
Blitz Leech
Creature - Leech
Flash
When Blitz Leech enters the battlefield, target creature an opponent controls gets -2/-2 until end of turn. Remove all counters from that creature.
5 /
2
--
Bojuka Bog
Land
Bojuka Bog enters the battlefield tapped.
When Bojuka Bog enters the battlefield, exile target player's graveyard.
{T}: Add {B}.
{U}
Brainstorm
Instant
Draw three cards, then put two cards from your hand on top of your library in any order.
{3}{U}
Cloaked Siren
Creature - Siren
Flash (You may cast this spell any time you could cast an instant.)
Flying
3 /
2
--
Command Tower
Land
{T}: Add one mana of any color in your commander's color identity.
{1}{U}
Confound
Instant
Counter target spell that targets a creature.
Draw a card.
{3}{U}
Crookclaw Transmuter
Creature - Bird Wizard
Flash
Flying
When Crookclaw Transmuter enters the battlefield, switch target creature's power and toughness until end of turn.
3 /
1
{3}{U}
Crystacean
Creature - Crab
Flash
1 /
6
{U/B}{U/B}
Cunning Nightbonder
Creature - Human Rogue
Flash
Spells with flash you cast cost {1} less to cast and can't be countered.
2 /
2
--
Desert of the Glorified
Land - Desert
Desert of the Glorified enters the battlefield tapped.
{T}: Add {B}.
Cycling {1}{B} ({1}{B}, Discard this card: Draw a card.)
--
Desert of the Mindful
Land - Desert
Desert of the Mindful enters the battlefield tapped.
{T}: Add {U}.
Cycling {1}{U} ({1}{U}, Discard this card: Draw a card.)
{1}{U}{U}
Dewdrop Spy
Creature - Faerie Rogue
Flash
Flying
When Dewdrop Spy enters the battlefield, look at the top card of target player's library.
2 /
2
--
Dimir Aqueduct
Land
Dimir Aqueduct enters the battlefield tapped.
When Dimir Aqueduct enters the battlefield, return a land you control to its owner's hand.
{T}: Add {U}{B}.
--
Dimir Guildgate
Land - Gate
Dimir Guildgate enters the battlefield tapped.
{T}: Add {U} or {B}.
--
Dismal Backwater
Land
Dismal Backwater enters the battlefield tapped.
When Dismal Backwater enters the battlefield, you gain 1 life.
{T}: Add {U} or {B}.
{4}{U}
Dreamtail Heron
Creature - Elemental Bird
Mutate {3}{U} (If you cast this spell for its mutate cost, put it over or under target non-Human creature you own. They mutate into the creature on top plus all abilities from under it.)
Flying
Whenever this creature mutates, draw a card.
3 /
4
{3}{B}
Drudge Reavers
Creature - Skeleton
Flash (You may cast this spell any time you could cast an instant.)
{B}: Regenerate Drudge Reavers.
2 /
1
{1}{U}
Eel Umbra
Enchantment - Aura
Flash (You may cast this spell any time you could cast an instant.)
Enchant creature
Enchanted creature gets +1/+1.
Totem armor (If enchanted creature would be destroyed, instead remove all damage from it and destroy this Aura.)
{3}{U}
Elgaud Shieldmate
Creature - Human Soldier
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 Elgaud Shieldmate is paired with another creature, both creatures have hexproof. (They can't be the targets of spells or abilities your opponents control.)
2 /
3
{2}{U}
Exclude
Instant
Counter target creature spell.
Draw a card.
{1}{U}
Faerie Duelist
Creature - Faerie Rogue
Flash
Flying
When Faerie Duelist enters the battlefield, target creature an opponent controls gets -2/-0 until end of turn.
1 /
2
{4}{U}
Faerie Invaders
Creature - Faerie Rogue
Flash (You may cast this spell any time you could cast an instant.)
Flying
3 /
3
{2}{B}
Footbottom Feast
Instant
Put any number of target creature cards from your graveyard on top of your library.
Draw a card.
{U/P}
Gitaxian Probe
Sorcery
({U/P} can be paid with either {U} or 2 life.)
Look at target player's hand.
Draw a card.
{1}{B}
Grave Servitude
Enchantment - Aura
You may cast Grave Servitude as though it had flash. If you cast it any time a sorcery couldn't have been cast, the controller of the permanent it becomes sacrifices it at the beginning of the next cleanup step.
Enchant creature
Enchanted creature gets +3/-1 and is black.
{1}{B}
Greel's Caress
Enchantment - Aura
Flash
Enchant creature
Enchanted creature gets -3/-0.
{4}{U}
Gush
Instant
You may return two Islands you control to their owner's hand rather than pay this spell's mana cost.
Draw two cards.
{1}{U}
Hampering Snare
Instant
Creatures your opponents control get -2/-0 until end of turn.
Cycling {2} ({2}, Discard this card: Draw a card.)
{2}{B}
Hired Blade
Creature - Human Assassin
Flash (You may cast this spell any time you could cast an instant.)
3 /
2
--
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}.)
{2}{U}
Jhessian Thief
Creature - Human Rogue
Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.)
Whenever Jhessian Thief deals combat damage to a player, draw a card.
1 /
3
{1}{U}
Keep Safe
Instant
Counter target spell that targets a permanent you control.
Draw a card.
--
Lonely Sandbar
Land
Lonely Sandbar enters the battlefield tapped.
{T}: Add {U}.
Cycling {U} ({U}, Discard this card: Draw a card.)
{1}{U}
Looter il-Kor
Creature - Kor Rogue
Shadow (This creature can block or be blocked by only creatures with shadow.)
Whenever Looter il-Kor deals damage to an opponent, draw a card, then discard a card.
1 /
1
{3}{B}
Lurking Deadeye
Creature - Human Assassin
Flash
When Lurking Deadeye enters the battlefield, destroy target creature that was dealt damage this turn.
4 /
2
{2}{B}
Maggot Therapy
Enchantment - Aura
Flash
Enchant creature
Enchanted creature gets +2/-2.
{1}{U}
Mana Leak
Instant
Counter target spell unless its controller pays {3}.
{1}{U}
Miscalculation
Instant
Counter target spell unless its controller pays {2}.
Cycling {2} ({2}, Discard this card: Draw a card.)
{4}{U}
Mnemonic Wall
Creature - Wall
Defender
When Mnemonic Wall enters the battlefield, you may return target instant or sorcery card from your graveyard to your hand.
0 /
4
{4}{B}
Mob
Instant
Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for {1} or one mana of that creature's color.)
Destroy target creature.
--
Mortuary Mire
Land
Mortuary Mire enters the battlefield tapped.
When Mortuary Mire enters the battlefield, you may put target creature card from your graveyard on top of your library.
{T}: Add {B}.
{4}{U}
Mulldrifter
Creature - Elemental
Flying
When Mulldrifter enters the battlefield, draw two cards.
Evoke {2}{U} (You may cast this spell for its evoke cost. If you do, it's sacrificed when it enters the battlefield.)
2 /
2
{1}{B}{B}
Murder
Instant
Destroy target creature.
{B}
Mutual Destruction
Sorcery
This spell has flash as long as you control a permanent with flash.
As an additional cost to cast this spell, sacrifice a creature.
Destroy target creature.
{1}{U}
Mystic Veil
Enchantment - Aura
You may cast Mystic Veil as though it had flash. If you cast it any time a sorcery couldn't have been cast, the controller of the permanent it becomes sacrifices it at the beginning of the next cleanup step.
Enchant creature
Enchanted creature has shroud. (It can't be the target of spells or abilities.)
{3}{U}
Mystical Teachings
Instant
Search your library for an instant card or a card with flash, reveal it, put it into your hand, then shuffle.
Flashback {5}{B} (You may cast this card from your graveyard for its flashback cost. Then exile it.)
{3}{U}
Nephalia Seakite
Creature - Bird
Flash (You may cast this spell any time you could cast an instant.)
Flying
2 /
3
{3}{U}
Nivix Barrier
Creature - Illusion Wall
Flash (You may cast this spell any time you could cast an instant.)
Defender (This creature can't attack.)
When Nivix Barrier enters the battlefield, target attacking creature gets -4/-0 until end of turn.
0 /
4
{1}{B}
Oblivion Crown
Enchantment - Aura
Flash (You may cast this spell any time you could cast an instant.)
Enchant creature
Enchanted creature has "Discard a card: This creature gets +1/+1 until end of turn."
{B}
Omen of the Dead
Enchantment
Flash
When Omen of the Dead enters the battlefield, return target creature card from your graveyard to your hand.
{2}{B}, Sacrifice Omen of the Dead: Scry 2.
{1}{U}
Omen of the Sea
Enchantment
Flash
When Omen of the Sea enters the battlefield, scry 2, then draw a card.
{2}{U}, Sacrifice Omen of the Sea: Scry 2.
{2}{U}
Ophidian Eye
Enchantment - Aura
Flash (You may cast this spell any time you could cast an instant.)
Enchant creature
Whenever enchanted creature deals damage to an opponent, you may draw a card.
{U}
Opt
Instant
Scry 1.
Draw a card.
{2}{U}
Pestermite
Creature - Faerie Rogue
Flash
Flying
When Pestermite enters the battlefield, you may tap or untap target permanent.
2 /
1
--
Polluted Mire
Land
Polluted Mire enters the battlefield tapped.
{T}: Add {B}.
Cycling {2} ({2}, Discard this card: Draw a card.)
{1}{B}
Ragged Veins
Enchantment - Aura
Flash
Enchant creature
Whenever enchanted creature is dealt damage, its controller loses that much life.
--
Remote Isle
Land
Remote Isle enters the battlefield tapped.
{T}: Add {U}.
Cycling {2} ({2}, Discard this card: Draw a card.)
{3}{U}
Sentinels of Glen Elendra
Creature - Faerie Soldier
Flash
Flying
2 /
3
{U}
Serum Visions
Sorcery
Draw a card. Scry 2.
{1}{U}
Snap
Instant
Return target creature to its owner's hand. Untap up to two lands.
{4}{U}
Spire Monitor
Creature - Phyrexian Drake
Flash (You may cast this spell any time you could cast an instant.)
Flying
3 /
3
{1}
Springjaw Trap
Artifact
Flash
{4}, {T}, Sacrifice Springjaw Trap: It deals 3 damage to any target.
{1}{U}
Starlit Mantle
Enchantment - Aura
Flash
Enchant creature you control
When Starlit Mantle enters the battlefield, enchanted creature gains hexproof until end of turn. (It can't be the target of spells or abilities your opponents control.)
Enchanted creature gets +1/+1.
--
Submerged Boneyard
Land
Submerged Boneyard enters the battlefield tapped.
{T}: Add {U} or {B}.
--
Swamp
Basic Land - Swamp
({T}: Add {B}.)
--
Swamp
Basic Land - Swamp
({T}: Add {B}.)
--
Swamp
Basic Land - Swamp
({T}: Add {B}.)
--
Swamp
Basic Land - Swamp
({T}: Add {B}.)
--
Swamp
Basic Land - Swamp
({T}: Add {B}.)
--
Swamp
Basic Land - Swamp
({T}: Add {B}.)
--
Swamp
Basic Land - Swamp
({T}: Add {B}.)
--
Swamp
Basic Land - Swamp
({T}: Add {B}.)
--
Swamp
Basic Land - Swamp
({T}: Add {B}.)
--
Swamp
Basic Land - Swamp
({T}: Add {B}.)
--
Swamp
Basic Land - Swamp
({T}: Add {B}.)
{2}{U}
Tandem Lookout
Creature - Human Scout
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 Tandem Lookout is paired with another creature, each of those creatures has "Whenever this creature deals damage to an opponent, draw a card."
2 /
1
{1}{U}
Think Twice
Instant
Draw a card.
Flashback {2}{U} (You may cast this card from your graveyard for its flashback cost. Then exile it.)
{B}
Tragic Slip
Instant
Target creature gets -1/-1 until end of turn.
Morbid -- That creature gets -13/-13 until end of turn instead if a creature died this turn.
{U}
Turn Aside
Instant
Counter target spell that targets a permanent you control.
{5}{B}
Twisted Abomination
Creature - Zombie Mutant
{B}: Regenerate Twisted Abomination.
Swampcycling {2} ({2}, Discard this card: Search your library for a Swamp card, reveal it, put it into your hand, then shuffle.)
5 /
3
{1}{B}
Unexpected Fangs
Instant
Put a +1/+1 counter and a lifelink counter on target creature.
{1}{B}
Unlikely Aid
Instant
Target creature gets +2/+0 and gains indestructible until end of turn. (Damage and effects that say "destroy" don't destroy it.)