Search target opponent's library for an artifact card and put that card onto the battlefield under your control. Then that player shuffles.
{3}{U}
Aetherize
Instant
Return all attacking creatures to their owner's hand.
{3}
Altar of the Lost
Artifact
Altar of the Lost enters the battlefield tapped.
{T}: Add two mana in any combination of colors. Spend this mana only to cast spells with flashback from a graveyard.
{4}{U}
Arcane Melee
Enchantment
Instant and sorcery spells cost {2} less to cast.
{8}{R}
Blasphemous Act
Sorcery
This spell costs {1} less to cast for each creature on the battlefield.
Blasphemous Act deals 13 damage to each creature.
{U}
Brainstorm
Instant
Draw three cards, then put two cards from your hand on top of your library in any order.
{1}{U}{U}
Cackling Counterpart
Instant
Create a token that's a copy of target creature you control.
Flashback {5}{U}{U} (You may cast this card from your graveyard for its flashback cost. Then exile it.)
{2}{U}
Call to Mind
Sorcery
Return target instant or sorcery card from your graveyard to your hand.
--
Cascade Bluffs
Land
{T}: Add {C}.
{U/R}, {T}: Add {U}{U}, {U}{R}, or {R}{R}.
{5}{R}
Charmbreaker Devils
Creature - Devil
At the beginning of your upkeep, return an instant or sorcery card at random from your graveyard to your hand.
Whenever you cast an instant or sorcery spell, Charmbreaker Devils gets +4/+0 until end of turn.
4 /
4
--
Command Tower
Land
{T}: Add one mana of any color in your commander's color identity.
{U}{U}
Counterspell
Instant
Counter target spell.
{3}
Crystal Ball
Artifact
{1}, {T}: 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.)
{U}
Curiosity
Enchantment - Aura
Enchant creature
Whenever enchanted creature deals damage to an opponent, you may draw a card.
{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.")
{3}
Darksteel Ingot
Artifact
Indestructible
{T}: Add one mana of any color.
{3}
Darksteel Plate
Artifact - Equipment
Indestructible
Equipped creature has indestructible.
Equip {2}
{5}{U}{U}
Diluvian Primordial
Creature - Avatar
Flying
When Diluvian Primordial enters the battlefield, for each opponent, you may cast up to one target instant or sorcery card from that player's graveyard without paying its mana cost. If a spell cast this way would be put into a graveyard, exile it instead.
5 /
5
{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}{R}
Dual Casting
Enchantment - Aura
Enchant creature
Enchanted creature has "{R}, {T}: Copy target instant or sorcery spell you control. You may choose new targets for the copy."
--
Evolving Wilds
Land
{T}, Sacrifice Evolving Wilds: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.
{2}{U}
Frantic Search
Instant
Draw two cards, then discard two cards. Untap up to three lands.
{3}{R}{R}
Galvanoth
Creature - Beast
At the beginning of your upkeep, you may look at the top card of your library. You may cast it without paying its mana cost if it's an instant or sorcery spell.
3 /
3
{5}
Gilded Lotus
Artifact
{T}: Add three mana of any one color.
--
Halimar Depths
Land
Halimar Depths enters the battlefield tapped.
When Halimar Depths enters the battlefield, look at the top three cards of your library, then put them back in any order.
{T}: Add {U}.
{2}{R}
Heat Shimmer
Sorcery
Create a token that's a copy of target creature, except it has haste and "At the beginning of the end step, exile this permanent."
{1}{U}{U}
Hinder
Instant
Counter target spell. If that spell is countered this way, put that card on the top or bottom of its owner's library instead of into that player's graveyard.
{4}{R}{R}
Hoard-Smelter Dragon
Creature - Dragon
Flying
{3}{R}: Destroy target artifact. Hoard-Smelter Dragon gets +X/+0 until end of turn, where X is that artifact's mana value.
5 /
5
{3}{R}{R}
Hoarding Dragon
Creature - Dragon
Flying
When Hoarding Dragon enters the battlefield, you may search your library for an artifact card, exile it, then shuffle.
When Hoarding Dragon dies, you may put the exiled card into its owner's hand.
4 /
4
{3}{U}{R}
Hypersonic Dragon
Creature - Dragon
Flying, haste
You may cast sorcery spells as though they had flash. (You may cast them any time you could cast an instant.)
4 /
4
{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.)
--
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}.)
--
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}.
--
Izzet Guildgate
Land - Gate
Izzet Guildgate enters the battlefield tapped.
{T}: Add {U} or {R}.
{3}
Izzet Keyrune
Artifact
{T}: Add {U} or {R}.
{U}{R}: Until end of turn, Izzet Keyrune becomes a 2/1 blue and red Elemental artifact creature.
Whenever Izzet Keyrune deals combat damage to a player, you may draw a card. If you do, discard a card.
{2}
Izzet Signet
Artifact
{1}, {T}: Add {U}{R}.
{3}{U}{U}
Jace's Ingenuity
Instant
Draw three cards.
{1}{U}
Jeskai Elder
Creature - Human Monk
Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.)
Whenever Jeskai Elder deals combat damage to a player, you may draw a card. If you do, discard a card.
1 /
2
{R}
Lightning Bolt
Instant
Lightning Bolt deals 3 damage to any target.
{2}
Lightning Greaves
Artifact - Equipment
Equipped creature has haste and shroud. (It can't be the target of spells or abilities.)
Equip {0}
{4}{U}{R}
Melek, Izzet Paragon
Legendary Creature - Weird Wizard
Play with the top card of your library revealed.
You may cast instant and sorcery spells from the top of your library.
Whenever you cast an instant or sorcery spell from your library, copy it. You may choose new targets for the copy.
2 /
4
{4}{U}{U}
Mind's Desire
Sorcery
Shuffle your library. Then exile the top card of your library. Until end of turn, you may play that card without paying its mana cost.
Storm (When you cast this spell, copy it for each spell cast before it this turn.)
{R}
Monastery Swiftspear
Creature - Human Monk
Haste
Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.)
1 /
2
--
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}.)
--
Mountain
Basic Land - Mountain
({T}: Add {R}.)
--
Mountain
Basic Land - Mountain
({T}: Add {R}.)
--
Mountain
Basic Land - Mountain
({T}: Add {R}.)
{2}
Neurok Stealthsuit
Artifact - Equipment
Equipped creature has shroud. (It can't be the target of spells or abilities.)
{U}{U}: Attach Neurok Stealthsuit to target creature you control.
Equip {1} ({1}: Attach to target creature you control. Equip only as a sorcery.)
{2}{U}{U}{R}{R}
Niv-Mizzet, the Firemind
Legendary Creature - Dragon Wizard
Flying
Whenever you draw a card, Niv-Mizzet, the Firemind deals 1 damage to any target.
{T}: Draw a card.
4 /
4
{1}{U}{R}
Nivix Cyclops
Creature - Cyclops
Defender
Whenever you cast an instant or sorcery spell, Nivix Cyclops gets +3/+0 until end of turn and can attack this turn as though it didn't have defender.
1 /
4
{7}{U}{U}{U}
Omniscience
Enchantment
You may cast spells from your hand without paying their mana costs.
{5}{U}{U}
Pearl Lake Ancient
Creature - Leviathan
Flash
This spell can't be countered.
Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.)
Return three lands you control to their owner's hand: Return Pearl Lake Ancient to its owner's hand.
6 /
7
{U}
Ponder
Sorcery
Look at the top three cards of your library, then put them back in any order. You may shuffle.
Draw a card.
{4}{U}{U}
Recurring Insight
Sorcery
Draw cards equal to the number of cards in target opponent's hand.
Rebound (If you cast this spell from your hand, exile it as it resolves. At the beginning of your next upkeep, you may cast this card from exile without paying its mana cost.)
{1}{R}{R}
Reiterate
Instant
Buyback {3} (You may pay an additional {3} as you cast this spell. If you do, put this card into your hand as it resolves.)
Copy target instant or sorcery spell. You may choose new targets for the copy.
--
Reliquary Tower
Land
You have no maximum hand size.
{T}: Add {C}.
{R}{R}
Reverberate
Instant
Copy target instant or sorcery spell. You may choose new targets for the copy.
{2}
Runechanter's Pike
Artifact - Equipment
Equipped creature has first strike and gets +X/+0, where X is the number of instant and sorcery cards in your graveyard.
Equip {2}
{1}
Sensei's Divining Top
Artifact
{1}: Look at the top three cards of your library, then put them back in any order.
{T}: Draw a card, then put Sensei's Divining Top on top of its owner's library.
{1}{R}{R}
Slagstorm
Sorcery
Choose one --
• Slagstorm deals 3 damage to each creature.
• Slagstorm deals 3 damage to each player.
{1}
Sol Ring
Artifact
{T}: Add {C}{C}.
{U}
Soothsaying
Enchantment
{3}{U}{U}: Shuffle your library.
{X}: Look at the top X cards of your library, then put them back in any order.
{1}{U}{R}
Spellheart Chimera
Creature - Chimera
Flying, trample
Spellheart Chimera's power is equal to the number of instant and sorcery cards in your graveyard.
* /
3
{3}{U}{U}
Spellweaver Volute
Enchantment - Aura
Enchant instant card in a graveyard
Whenever you cast a sorcery spell, copy the enchanted instant card. You may cast the copy without paying its mana cost. If you do, exile the enchanted card and attach Spellweaver Volute to another instant card in a graveyard.
{2}{R}{R}
Splinter Twin
Enchantment - Aura
Enchant creature
Enchanted creature has "{T}: Create a token that's a copy of this creature, except it has haste. Exile that token at the beginning of the next end step."
{6}
Staff of Nin
Artifact
At the beginning of your upkeep, draw a card.
{T}: Staff of Nin deals 1 damage to any target.
--
Steam Vents
Land - Island Mountain
({T}: Add {U} or {R}.)
As Steam Vents enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped.
{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}.
{2}{U}{U}
Talrand, Sky Summoner
Legendary Creature - Merfolk Wizard
Whenever you cast an instant or sorcery spell, create a 2/2 blue Drake creature token with flying.
2 /
2
--
Terramorphic Expanse
Land
{T}, Sacrifice Terramorphic Expanse: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.
{7}{U}
Treasure Cruise
Sorcery
Delve (Each card you exile from your graveyard while casting this spell pays for {1}.)
Draw three cards.
{U}{U}
Twincast
Instant
Copy target instant or sorcery spell. You may choose new targets for the copy.
{R}
Vandalblast
Sorcery
Destroy target artifact you don't control.
Overload {4}{R} (You may cast this spell for its overload cost. If you do, change "target" in its text to "each.")
{1}{U}{R}
Wee Dragonauts
Creature - Faerie Wizard
Flying
Whenever you cast an instant or sorcery spell, Wee Dragonauts gets +2/+0 until end of turn.