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}
Arcane Melee
Enchantment
Instant and sorcery spells cost {2} less to cast.
--
Ash Barrens
Land
{T}: Add {C}.
Basic landcycling {1} ({1}, Discard this card: Search your library for a basic land card, reveal it, put it into your hand, then shuffle.)
{3}{R}{R}
Backdraft Hellkite
Creature - Dragon
Flying
Whenever Backdraft Hellkite attacks, each instant and sorcery card in your graveyard gains flashback until end of turn. The flashback cost is equal to its mana cost.
4 /
4
{1}{U}
Blink of an Eye
Instant
Kicker {1}{U} (You may pay an additional {1}{U} as you cast this spell.)
Return target nonland permanent to its owner's hand. If this spell was kicked, draw a card.
{3}{R}
Bolt Bend
Instant
This spell costs {3} less to cast if you control a creature with power 4 or greater.
Change the target of target spell or ability with a single target.
{6}{R}
Brass's Bounty
Sorcery
For each land you control, create a Treasure token. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.")
{1}{R}
Cathartic Reunion
Sorcery
As an additional cost to cast this spell, discard two cards.
Draw three cards.
{1}{U}{R}
Cerebral Vortex
Instant
Target player draws two cards, then Cerebral Vortex deals damage to that player equal to the number of cards they've drawn this turn.
{2}
Corrupted Grafstone
Artifact
Corrupted Grafstone enters the battlefield tapped.
{T}: Choose a color of a card in your graveyard. Add one mana of that color.
{R}
Crash Through
Sorcery
Creatures you control gain trample until end of turn. (A creature with trample can deal excess combat damage to the player or planeswalker it's attacking.)
Draw a card.
{R}
Crimson Wisps
Instant
Target creature becomes red and gains haste until end of turn.
Draw a card.
{1}{U}
Curious Homunculus
Creature - Homunculus
{T}: Add {C}. Spend this mana only to cast an instant or sorcery spell.
At the beginning of your upkeep, if there are three or more instant and/or sorcery cards in your graveyard, transform Curious Homunculus.
1 /
1
--
Voracious Reader
Creature - Eldrazi Homunculus
Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.)
Instant and sorcery spells you cast cost {1} less to cast.
1 /
1
{1}{U}
Deliberate
Instant
Scry 2, then draw a card.
{2}{U}
Depths of Desire
Instant
Return target creature to its owner's hand. Create a Treasure token. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.")
{1}{R}
Desperate Ravings
Instant
Draw two cards, then discard a card at random.
Flashback {2}{U} (You may cast this card from your graveyard for its flashback cost. Then exile it.)
{1}{U}
Disperse
Instant
Return target nonland permanent to its owner's hand.
{U}
Dive Down
Instant
Target creature you control gets +0/+3 and gains hexproof until end of turn. (It can't be the target of spells or abilities your opponents control.)
--
Evolving Wilds
Land
{T}, Sacrifice Evolving Wilds: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.
{R}
Expedite
Instant
Target creature gains haste until end of turn.
Draw a card.
{1}{R}
Fists of Flame
Instant
Draw a card. Until end of turn, target creature gains trample and gets +1/+0 for each card you've drawn this turn.
{2}{R}
Flame Sweep
Instant
Flame Sweep deals 2 damage to each creature except for creatures you control with flying.
{U}
Fleeting Distraction
Instant
Target creature gets -1/-0 until end of turn.
Draw a card.
{2}{U}{U}
Foil
Instant
You may discard an Island card and another card rather than pay this spell's mana cost.
Counter target spell.
{2}{U}
Frantic Search
Instant
Draw two cards, then discard two cards. Untap up to three lands.
{U}{R}
Goblin Electromancer
Creature - Goblin Wizard
Instant and sorcery spells you cast cost {1} less to cast.
2 /
2
--
Highland Lake
Land
Highland Lake enters the battlefield tapped.
{T}: Add {U} or {R}.
--
Highland Lake
Land
Highland Lake enters the battlefield tapped.
{T}: Add {U} or {R}.
--
Highland Lake
Land
Highland Lake enters the battlefield tapped.
{T}: Add {U} or {R}.
--
Highland Lake
Land
Highland Lake enters the battlefield tapped.
{T}: Add {U} or {R}.
{2}{R}
Improvised Weaponry
Sorcery
Improvised Weaponry deals 2 damage to any target. Create a Treasure token. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.")
{R}{R}
Increasing Vengeance
Instant
Copy target instant or sorcery spell you control. If this spell was cast from a graveyard, copy that spell twice instead. You may choose new targets for the copies.
Flashback {3}{R}{R} (You may cast this card from your graveyard for its flashback cost. Then exile it.)
{3}{R}
Inner Fire
Sorcery
Add {R} for each card in your hand.
{1}{U}
Into the Roil
Instant
Kicker {1}{U} (You may pay an additional {1}{U} as you cast this spell.)
Return target nonland permanent to its owner's hand. If this spell was kicked, draw a card.
{5}{U}{U}
Into the Story
Instant
This spell costs {3} less to cast if an opponent has seven or more cards in their graveyard.
Draw four cards.
--
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}.)
--
Izzet Boilerworks
Land
Izzet Boilerworks enters the battlefield tapped.
When Izzet Boilerworks enters the battlefield, return a land you control to its owner's hand.
{T}: Add {U}{R}.
{U}{R}
Izzet Charm
Instant
Choose one --
• Counter target noncreature spell unless its controller pays {2}.
• Izzet Charm deals 2 damage to target creature.
• Draw two cards, then discard two cards.
--
Izzet Guildgate
Land - Gate
Izzet Guildgate enters the battlefield tapped.
{T}: Add {U} or {R}.
--
Izzet Guildgate
Land - Gate
Izzet Guildgate enters the battlefield tapped.
{T}: Add {U} or {R}.
--
Izzet Guildgate
Land - Gate
Izzet Guildgate enters the battlefield tapped.
{T}: Add {U} or {R}.
{3}{U}
Jace's Sanctum
Enchantment
Instant and sorcery spells you cast cost {1} less to cast.
Whenever you cast an instant or sorcery spell, scry 1. (Look at the top card of your library. You may put that card on the bottom of your library.)
{1}{U}
Lazotep Plating
Instant
Amass 1. (Put a +1/+1 counter on an Army you control. If you don't control one, create a 0/0 black Zombie Army creature token first.)
You and permanents you control gain hexproof until end of turn. (You and they can't be the targets of spells or abilities your opponents control.)
{1}{U}
Mass Diminish
Sorcery
Until your next turn, creatures target player controls have base power and toughness 1/1.
Flashback {3}{U} (You may cast this card from your graveyard for its flashback cost. Then exile it.)
--
Mountain
Basic Land - Mountain
({T}: Add {R}.)
--
Mountain
Basic Land - Mountain
({T}: Add {R}.)
--
Mountain
Basic Land - Mountain
({T}: Add {R}.)
--
Mountain
Basic Land - Mountain
({T}: Add {R}.)
--
Mountain
Basic Land - Mountain
({T}: Add {R}.)
--
Mountain
Basic Land - Mountain
({T}: Add {R}.)
--
Mountain
Basic Land - Mountain
({T}: Add {R}.)
--
Mountain
Basic Land - Mountain
({T}: Add {R}.)
--
Mountain
Basic Land - Mountain
({T}: Add {R}.)
--
Mountain
Basic Land - Mountain
({T}: Add {R}.)
{2}{U}
Naiad of Hidden Coves
Enchantment Creature - Nymph
As long as it's not your turn, spells you cast cost {1} less to cast.
2 /
3
{1}{U}
Negate
Instant
Counter target noncreature spell.
{U}{U}{U}{R}{R}{R}
Niv-Mizzet, Parun
Legendary Creature - Dragon Wizard
This spell can't be countered.
Flying
Whenever you draw a card, Niv-Mizzet, Parun deals 1 damage to any target.
Whenever a player casts an instant or sorcery spell, you draw a card.
5 /
5
{U}
Opt
Instant
Scry 1.
Draw a card.
{3}{R}
Pirate's Pillage
Sorcery
As an additional cost to cast this spell, discard a card.
Draw two cards and create two Treasure tokens. (They're artifacts with "{T}, Sacrifice this artifact: Add one mana of any color.")
{1}{U}
Radical Idea
Instant
Draw a card.
Jump-start (You may cast this card from your graveyard by discarding a card in addition to paying its other costs. Then exile this card.)
{U}
Reach Through Mists
Instant - Arcane
Draw a card.
{1}{U}
Refocus
Instant
Untap target creature.
Draw a card.
{R}
Renegade Tactics
Sorcery
Target creature can't block this turn.
Draw a card.
{2}{R}
Seize the Spoils
Sorcery
As an additional cost to cast this spell, discard a card.
Draw two cards and create a Treasure token. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.")
{U}{U}
Silumgar's Scorn
Instant
As an additional cost to cast this spell, you may reveal a Dragon card from your hand.
Counter target spell unless its controller pays {1}. If you revealed a Dragon card or controlled a Dragon as you cast this spell, counter that spell instead.
{U}
Slip Through Space
Sorcery
Devoid (This card has no color.)
Target creature can't be blocked this turn.
Draw a card.
{R}
Spark of Creativity
Sorcery
Choose target creature. Exile the top card of your library. You may have Spark of Creativity deal damage to that creature equal to the exiled card's mana value. If you don't, you may play that card until end of turn.
{3}{U}{R}
Storm Skreelix
Creature - Drake Horror
Flying
Instant and sorcery spells you cast cost {1} less to cast.
Whenever you cast an instant or sorcery spell, Storm Skreelix gets +2/+0 until end of turn.
2 /
4
{R}
Strike It Rich
Sorcery
Create a Treasure token. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.")
Flashback {2}{R} (You may cast this card from your graveyard for its flashback cost. Then exile it.)
{1}{R}
Sudden Breakthrough
Instant
Target creature gets +2/+0 and gains first strike until end of turn.
Create a Treasure token. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.")
{6}{U}
Swarm Intelligence
Enchantment
Whenever you cast an instant or sorcery spell, you may copy that spell. You may choose new targets for the copy.
{2}
Swiftfoot Boots
Artifact - Equipment
Equipped creature has hexproof and haste. (It can't be the target of spells or abilities your opponents control.)
Equip {1}
--
Swiftwater Cliffs
Land
Swiftwater Cliffs enters the battlefield tapped.
When Swiftwater Cliffs enters the battlefield, you gain 1 life.
{T}: Add {U} or {R}.
--
Terramorphic Expanse
Land
{T}, Sacrifice Terramorphic Expanse: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.
{1}{U}
Thassa's Rebuff
Instant
Counter target spell unless its controller pays {X}, where X is your devotion to blue. (Each {U} in the mana costs of permanents you control counts toward your devotion to blue.)
{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.)
{1}{R}
Thrill of Possibility
Instant
As an additional cost to cast this spell, discard a card.
Draw two cards.
{1}{R}
Tormenting Voice
Sorcery
As an additional cost to cast this spell, discard a card.
Draw two cards.
{7}{U}
Treasure Cruise
Sorcery
Delve (Each card you exile from your graveyard while casting this spell pays for {1}.)
Draw three cards.
{2}{U}
Uncovered Clues
Sorcery
Look at the top four cards of your library. You may reveal up to two instant and/or sorcery cards from among them and put the revealed cards into your hand. Put the rest on the bottom of your library in any order.
{2}{R}{R}
Unexpected Windfall
Instant
As an additional cost to cast this spell, discard a card.
Draw two cards and create two Treasure tokens. (They're artifacts with "{T}, Sacrifice this artifact: Add one mana of any color.")
{R}
Warlord's Fury
Sorcery
Creatures you control gain first strike until end of turn.
Draw a card.
{R}{R}
Wild Guess
Sorcery
As an additional cost to cast this spell, discard a card.
Draw two cards.
{2}{U}
Windrider Wizard
Creature - Human Wizard
Flying
Whenever you cast an instant, sorcery, or Wizard spell, you may draw a card. If you do, discard a card.
2 /
2
{1}{R}
You've Been Caught Stealing
Sorcery
Choose one --
• Threaten the Merchant -- Each creature blocks this turn if able.
• Bribe the Guards -- You create a Treasure token for each opponent who was dealt damage this turn. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.")
{3}{R}{ // }{1}{R}
Young Red Dragon // Bathe in Gold
Creature - Dragon // Instant - Adventure
Flying
Young Red Dragon can't block.
Create a Treasure token. (Then exile this card. You may cast the creature later from exile.)
3 /
2
{2}{R}{ // }{R}
Merchant of the Vale // Haggle
Creature - Human Peasant // Instant - Adventure
{2}{R}, Discard a card: Draw a card.
You may discard a card. If you do, draw a card. (Then exile this card. You may cast the creature later from exile.)