Search target opponent's library for an artifact card and put that card onto the battlefield under your control. Then that player shuffles.
{4}{U}
Arcane Melee
Enchantment
Instant and sorcery spells cost {2} less to cast.
{3}{U}{U}{U}
Arcanis the Omnipotent
Legendary Creature - Wizard
{T}: Draw three cards.
{2}{U}{U}: Return Arcanis the Omnipotent to its owner's hand.
3 /
4
{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.
--
Buried Ruin
Land
{T}: Add {C}.
{2}, {T}, Sacrifice Buried Ruin: Return target artifact card from your graveyard to your hand.
{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.)
{6}
Caged Sun
Artifact
As Caged Sun enters the battlefield, choose a color.
Creatures you control of the chosen color get +1/+1.
Whenever a land's ability causes you to add one or more mana of the chosen color, add one additional mana of that color.
{1}{U}{U}
Capsize
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.)
Return target permanent to its owner's hand.
{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
{X}{R}{R}
Comet Storm
Instant
Multikicker {1} (You may pay an additional {1} any number of times as you cast this spell.)
Choose any target, then choose another target for each time this spell was kicked. Comet Storm deals X damage to each of them.
--
Command Tower
Land
{T}: Add one mana of any color in your commander's color identity.
{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.)
{3}
Darksteel Plate
Artifact - Equipment
Indestructible
Equipped creature has indestructible.
Equip {2}
--
Desolate Lighthouse
Land
{T}: Add {C}.
{1}{U}{R}, {T}: Draw a card, then discard a card.
{X}{R}
Devil's Play
Sorcery
Devil's Play deals X damage to any target.
Flashback {X}{R}{R}{R} (You may cast this card from your graveyard for its flashback cost. Then exile it.)
{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}{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."
{3}{U}{U}
Evacuation
Instant
Return all creatures to their owners' hands.
--
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}
Fabricate
Sorcery
Search your library for an artifact card, reveal it, put it into your hand, then shuffle.
{3}{U}
Fact or Fiction
Instant
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.
{1}{U}
Fog Bank
Creature - Wall
Defender, flying
Prevent all combat damage that would be dealt to and dealt by Fog Bank.
0 /
2
{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
{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}.)
--
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}.
{3}{R}{R}
Kazuul, Tyrant of the Cliffs
Legendary Creature - Ogre Warrior
Whenever a creature an opponent controls attacks, if you're the defending player, create a 3/3 red Ogre creature token unless that creature's controller pays {3}.
5 /
4
{5}{U}{U}
Knowledge Exploitation
Tribal Sorcery - Rogue
Prowl {3}{U} (You may cast this for its prowl cost if you dealt combat damage to a player this turn with a Rogue.)
Search target opponent's library for an instant or sorcery card. You may cast that card without paying its mana cost. Then that player shuffles.
{3}{R}{R}
Mana Geyser
Sorcery
Add {R} for each tapped land your opponents control.
{4}{R}{R}
Mana-Charged Dragon
Creature - Dragon
Flying, trample
Join forces -- Whenever Mana-Charged Dragon attacks or blocks, each player starting with you may pay any amount of mana. Mana-Charged Dragon gets +X/+0 until end of turn, where X is the total amount of mana paid this way.
5 /
5
{4}{U}
Meloku the Clouded Mirror
Legendary Creature - Moonfolk Wizard
Flying
{1}, Return a land you control to its owner's hand: Create a 1/1 blue Illusion creature token with flying.
2 /
4
--
Minamo, School at Water's Edge
Legendary Land
{T}: Add {U}.
{U}, {T}: Untap target legendary permanent.
{1}{R}
Mizzium Mortars
Sorcery
Mizzium Mortars deals 4 damage to target creature you don't control.
Overload {3}{R}{R}{R} (You may cast this spell for its overload cost. If you do, change "target" in its text to "each.")
{3}
Mizzium Transreliquat
Artifact
{3}: Mizzium Transreliquat becomes a copy of target artifact until end of turn.
{1}{U}{R}: Mizzium Transreliquat becomes a copy of target artifact, except it has this ability.
--
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}.)
{3}{U}
Mystic Retrieval
Sorcery
Return target instant or sorcery card from your graveyard to your hand.
Flashback {2}{R} (You may cast this card from your graveyard for its flashback cost. Then exile it.)
{U}
Mystical Tutor
Instant
Search your library for an instant or sorcery card, reveal it, then shuffle and put that card on top.
{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
{3}{R}
Past in Flames
Sorcery
Each instant and sorcery card in your graveyard gains flashback until end of turn. The flashback cost is equal to its mana cost.
Flashback {4}{R} (You may cast this card from your graveyard for its flashback cost. Then exile it.)
{3}{U/P}
Phyrexian Metamorph
Artifact Creature - Phyrexian Shapeshifter
({U/P} can be paid with either {U} or 2 life.)
You may have Phyrexian Metamorph enter the battlefield as a copy of any artifact or creature on the battlefield, except it's an artifact in addition to its other types.
0 /
0
{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.
{2}{U}
Propaganda
Enchantment
Creatures can't attack you unless their controller pays {2} for each creature they control that's attacking you.
{3}{U}{R}
Prophetic Bolt
Instant
Prophetic Bolt deals 4 damage to any target. Look at the top four cards of your library. Put one of those cards into your hand and the rest on the bottom of your library in any order.
{1}{U}{U}
Pulse of the Grid
Instant
Draw two cards, then discard a card. Then if an opponent has more cards in hand than you, return Pulse of the Grid to its owner's hand.
{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.)
{X}{R}
Red Sun's Zenith
Sorcery
Red Sun's Zenith deals X damage to any target. If a creature dealt damage this way would die this turn, exile it instead. Shuffle Red Sun's Zenith into its owner's library.
{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}{U}{U}
Rite of Replication
Sorcery
Kicker {5} (You may pay an additional {5} as you cast this spell.)
Create a token that's a copy of target creature. If this spell was kicked, create five of those tokens instead.
{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}
{2}{U}{U}
Sakashima the Impostor
Legendary Creature - Human Rogue
You may have Sakashima the Impostor enter the battlefield as a copy of any creature on the battlefield, except its name is Sakashima the Impostor, it's legendary in addition to its other types, and it has "{2}{U}{U}: Return this creature to its owner's hand at the beginning of the next end step."
3 /
1
{2}{R}
Seething Song
Instant
Add {R}{R}{R}{R}{R}.
{R}
Shattering Spree
Sorcery
Replicate {R} (When you cast this spell, copy it for each time you paid its replicate cost. You may choose new targets for the copies.)
Destroy target artifact.
--
Shinka, the Bloodsoaked Keep
Legendary Land
{T}: Add {R}.
{R}, {T}: Target legendary creature gains first strike until end of turn.
{1}{U}{U}
Sigil Tracer
Creature - Merfolk Wizard
{1}{U}, Tap two untapped Wizards you control: Copy target instant or sorcery spell. You may choose new targets for the copy.
2 /
2
--
Soldevi Excavations
Land
If Soldevi Excavations would enter the battlefield, sacrifice an untapped Island instead. If you do, put Soldevi Excavations onto the battlefield. If you don't, put it into its owner's graveyard.
{T}: Add {C}{U}.
{1}, {T}: Scry 1.
{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}{U}
Spell Crumple
Instant
Counter target spell. If that spell is countered this way, put it on the bottom of its owner's library instead of into that player's graveyard. Put Spell Crumple on the bottom of its owner's library.
{5}{U}
Spelltwine
Sorcery
Exile target instant or sorcery card from your graveyard and target instant or sorcery card from an opponent's graveyard. Copy those cards. Cast the copies if able without paying their mana costs. Exile Spelltwine.
{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.
{X}{R}{R}
Starstorm
Instant
Starstorm deals X damage to each creature.
Cycling {3} ({3}, Discard this card: Draw a card.)
--
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.
{4}{U}{U}
Stolen Identity
Sorcery
Create a token that's a copy of target artifact or creature.
Cipher (Then you may exile this spell card encoded on a creature you control. Whenever that creature deals combat damage to a player, its controller may cast a copy of the encoded card without paying its mana cost.)
{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}
{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
--
Temple of the False God
Land
{T}: Add {C}{C}. Activate only if you control five or more lands.
--
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}{U}
Thada Adel, Acquisitor
Legendary Creature - Merfolk Rogue
Islandwalk (This creature can't be blocked as long as defending player controls an Island.)
Whenever Thada Adel, Acquisitor deals combat damage to a player, search that player's library for an artifact card and exile it. Then that player shuffles. Until end of turn, you may play that card.
2 /
2
{5}{U}
Tomorrow, Azami's Familiar
Legendary Creature - Spirit
If you would draw a card, look at the top three cards of your library instead. Put one of those cards into your hand and the rest on the bottom of your library in any order.
1 /
5
{U}{U}
Twincast
Instant
Copy target instant or sorcery spell. You may choose new targets for the copy.
--
Vivid Crag
Land
Vivid Crag enters the battlefield tapped with two charge counters on it.
{T}: Add {R}.
{T}, Remove a charge counter from Vivid Crag: Add one mana of any color.
--
Vivid Creek
Land
Vivid Creek enters the battlefield tapped with two charge counters on it.
{T}: Add {U}.
{T}, Remove a charge counter from Vivid Creek: Add one mana of any color.
{2}{R}{R}
Wild Ricochet
Instant
You may choose new targets for target instant or sorcery spell. Then copy that spell. You may choose new targets for the copy.