Counter target noncreature spell. Its controller creates two Treasure tokens. (They're artifacts with "{T}, Sacrifice this artifact: Add one mana of any color.")
{1}{U}
Arcane Denial
Instant
Counter target spell. Its controller may draw up to two cards at the beginning of the next turn's upkeep.
You draw a card at the beginning of the next turn's upkeep.
{2}
Arcane Signet
Artifact
{T}: Add one mana of any color in your commander's color identity.
{2}{U}{U}
Archmage Emeritus
Creature - Human Wizard
Magecraft -- Whenever you cast or copy an instant or sorcery spell, draw a card.
2 /
2
{1}
Basilisk Collar
Artifact - Equipment
Equipped creature has deathtouch and lifelink.
Equip {2}
{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.
{R}
Blazing Volley
Sorcery
Blazing Volley deals 1 damage to each creature your opponents control.
{1}{R}
Boiling Earth
Sorcery
Boiling Earth deals 1 damage to each creature your opponents control.
Awaken 4--{6}{R} (If you cast this spell for {6}{R}, also put four +1/+1 counters on target land you control and it becomes a 0/0 Elemental creature with haste. It's still a land.)
{U}
Brainstorm
Instant
Draw three cards, then put two cards from your hand on top of your library in any order.
{1}{R}
Cast into the Fire
Instant
Choose one --
• Cast into the Fire deals 1 damage to each of up to two target creatures.
• Exile target artifact.
{1}{R}
Chandra's Pyrohelix
Instant
Chandra's Pyrohelix deals 2 damage divided as you choose among one or two targets.
{2}{R}
Chaos Warp
Instant
The owner of target permanent shuffles it into their library, then reveals the top card of their library. If it's a permanent card, they put it onto the battlefield.
{1}{R}
Circle of Flame
Enchantment
Whenever a creature without flying attacks you or a planeswalker you control, Circle of Flame deals 1 damage to that creature.
--
Command Tower
Land
{T}: Add one mana of any color in your commander's color identity.
{U}{U}
Counterspell
Instant
Counter target spell.
{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.")
{2}{R}
Deflecting Swat
Instant
If you control a commander, you may cast this spell without paying its mana cost.
You may choose new targets for target spell or ability.
{R}
Dual Shot
Instant
Dual Shot deals 1 damage to each of up to two target creatures.
{R}
Electrickery
Instant
Electrickery deals 1 damage to target creature you don't control.
Overload {1}{R} (You may cast this spell for its overload cost. If you do, change its text by replacing all instances of "target" with "each.")
{1}{U}{R}
Electrolyze
Instant
Electrolyze deals 2 damage divided as you choose among one or two targets.
Draw a card.
{1}{R}
Electrostatic Field
Creature - Wall
Defender
Whenever you cast an instant or sorcery spell, Electrostatic Field deals 1 damage to each opponent.
0 /
4
{R}
End the Festivities
Sorcery
End the Festivities deals 1 damage to each opponent and each creature and planeswalker they control.
{1}{R}
Erebor Flamesmith
Creature - Dwarf Artificer
Whenever you cast an instant or sorcery spell, Erebor Flamesmith deals 1 damage to each opponent.
2 /
1
--
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}{R}
Exalted Flamer of Tzeentch
Creature - Demon
Sorcerous Inspiration -- At the beginning of your upkeep, return an instant or sorcery card at random from your graveyard to your hand.
Fire of Tzeentch -- Whenever you cast an instant or sorcery spell, Exalted Flamer of Tzeentch deals 1 damage to each opponent.
2 /
4
--
Exotic Orchard
Land
{T}: Add one mana of any color that a land an opponent controls could produce.
{X}{R}
Fear, Fire, Foes!
Sorcery
Damage can't be prevented this turn. Fear, Fire, Foes! deals X damage to target creature and 1 damage to each other creature with the same controller.
{2}{U}
Fierce Guardianship
Instant
If you control a commander, you may cast this spell without paying its mana cost.
Counter target noncreature spell.
{1}{R}
Firebrand Archer
Creature - Human Archer
Whenever you cast a noncreature spell, Firebrand Archer deals 1 damage to each opponent.
2 /
1
{2}{R}
Flick a Coin
Instant
Flick a Coin deals 1 damage to any target. You create a Treasure token. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.")
Draw a card.
{2}{U}
Frantic Search
Instant
Draw two cards, then discard two cards. Untap up to three lands.
--
Frostboil Snarl
Land
As Frostboil Snarl enters the battlefield, you may reveal an Island or Mountain card from your hand. If you don't, Frostboil Snarl enters the battlefield tapped.
{T}: Add {U} or {R}.
{R}
Geistflame
Instant
Geistflame deals 1 damage to any target.
Flashback {3}{R} (You may cast this card from your graveyard for its flashback cost. Then exile it.)
{1}{U}{R}
Gelectrode
Creature - Weird
{T}: Gelectrode deals 1 damage to any target.
Whenever you cast an instant or sorcery spell, you may untap Gelectrode.
0 /
1
{1}{U}{R}
Ghyrson Starn, Kelermorph
Legendary Creature - Tyranid Human
Ward {2} (Whenever this creature becomes the target of a spell or ability an opponent controls, counter it unless that player pays {2}.)
Three Autostubs -- Whenever another source you control deals exactly 1 damage to a permanent or player, Ghyrson Starn, Kelermorph deals 2 damage to that permanent or player.
3 /
2
{R}{R}{R}
Goblin Chainwhirler
Creature - Goblin Warrior
First strike
When Goblin Chainwhirler enters the battlefield, it deals 1 damage to each opponent and each creature and planeswalker they control.
3 /
3
{U}{R}
Goblin Electromancer
Creature - Goblin Wizard
Instant and sorcery spells you cast cost {1} less to cast.
2 /
2
{1}{R}
Grapeshot
Sorcery
Grapeshot deals 1 damage to any target.
Storm (When you cast this spell, copy it for each spell cast before it this turn. You may choose new targets for the copies.)
{R/P}
Gut Shot
Instant
({R/P} can be paid with either {R} or 2 life.)
Gut Shot deals 1 damage to any target.
--
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.
{2}
Izzet Signet
Artifact
{1}, {T}: Add {U}{R}.
{2}{R}
Jeska's Will
Sorcery
Choose one. If you control a commander as you cast this spell, you may choose both instead.
• Add {R} for each card in target opponent's hand.
• Exile the top three cards of your library. You may play them this turn.
{1}{R}
Kessig Flamebreather
Creature - Human Shaman
Whenever you cast a noncreature spell, Kessig Flamebreather deals 1 damage to each opponent.
1 /
3
{R}
Lava Dart
Instant
Lava Dart deals 1 damage to any target.
Flashback--Sacrifice a Mountain. (You may cast this card from your graveyard for its flashback cost. Then exile it.)
{2}
Lightning Greaves
Artifact - Equipment
Equipped creature has haste and shroud. (It can't be the target of spells or abilities.)
Equip {0}
--
Maestros Theater
Land
When Maestros Theater enters the battlefield, sacrifice it. When you do, search your library for a basic Island, Swamp, or Mountain card, put it onto the battlefield tapped, then shuffle and you gain 1 life.
{U}{U}
Mana Drain
Instant
Counter target spell. At the beginning of your next main phase, add an amount of {C} equal to that spell's mana value.
{3}{R}
Manabarbs
Enchantment
Whenever a player taps a land for mana, Manabarbs deals 1 damage to that player.
--
Mountain
Basic Land - Mountain
({T}: Add {R}.)
--
Mountain
Basic Land - Mountain
({T}: Add {R}.)
--
Myriad Landscape
Land
Myriad Landscape enters the battlefield tapped.
{T}: Add {C}.
{2}, {T}, Sacrifice Myriad Landscape: Search your library for up to two basic land cards that share a land type, put them onto the battlefield tapped, then shuffle.
{R}
Needle Drop
Instant
Needle Drop deals 1 damage to any target that was dealt damage this turn.
Draw a card.
{1}{U}
Negate
Instant
Counter target noncreature spell.
{3}{R}{R}
Neheb, the Eternal
Legendary Creature - Zombie Minotaur Warrior
Afflict 3 (Whenever this creature becomes blocked, defending player loses 3 life.)
At the beginning of your postcombat main phase, add {R} for each 1 life your opponents have lost this turn.
4 /
6
{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
{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}
Ponder
Sorcery
Look at the top three cards of your library, then put them back in any order. You may shuffle.
Draw a card.
{U}
Pongify
Instant
Destroy target creature. It can't be regenerated. Its controller creates a 3/3 green Ape creature token.
{U}
Preordain
Sorcery
Scry 2, then draw a card. (To scry 2, look at the top two cards of your library, then put any number of them on the bottom and the rest on top in any order.)
{2}{U}{R}
Ral, Storm Conduit
Legendary Planeswalker - Ral
Whenever you cast or copy an instant or sorcery spell, Ral, Storm Conduit deals 1 damage to target opponent or planeswalker.
+2: Scry 1.
-2: When you cast your next instant or sorcery spell this turn, copy that spell. You may choose new targets for the copy.
L:
4
{2}{U}
Rhystic Study
Enchantment
Whenever an opponent casts a spell, you may draw a card unless that player pays {1}.
--
Scalding Tarn
Land
{T}, Pay 1 life, Sacrifice Scalding Tarn: Search your library for an Island or Mountain card, put it onto the battlefield, then shuffle.
{1}{R}{ // }{1}{U}
Scalding Viper // Steam Clean
Creature - Elemental Snake // Sorcery - Adventure
Whenever an opponent casts a spell with mana value 3 or less, Scalding Viper deals 1 damage to that player.
Return target nonland permanent to its owner's hand. (Then exile this card. You may cast the creature later from exile.)
2 /
1
{1}{R}
Scouring Sands
Sorcery
Scouring Sands deals 1 damage to each creature your opponents control. Scry 1. (Look at the top card of your library. You may put that card on the bottom of your library.)
{R}
Shower of Sparks
Instant
Shower of Sparks deals 1 damage to target creature and 1 damage to target player or planeswalker.
{1}{R}
Smash to Dust
Sorcery
Choose one --
• Destroy target artifact.
• Destroy target creature with defender.
• Smash to Dust deals 1 damage to each creature your opponents control.
{1}
Sol Ring
Artifact
{T}: Add {C}{C}.
{R}
Spark Jolt
Instant
Spark Jolt deals 1 damage to any target. Scry 1. (Look at the top card of your library. You may put that card on the bottom of your library.)
{R}
Spikefield Hazard
Instant
Spikefield Hazard deals 1 damage to any target. If a permanent dealt damage this way would die this turn, exile it instead.
--
Spikefield Cave
Land
Spikefield Cave enters the battlefield tapped.
{T}: Add {R}.
--
Spirebluff Canal
Land
Spirebluff Canal enters the battlefield tapped unless you control two or fewer other lands.
{T}: Add {U} or {R}.
--
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.
--
Stormcarved Coast
Land
Stormcarved Coast enters the battlefield tapped unless you control two or more other lands.
{T}: Add {U} or {R}.
--
Sulfur Falls
Land
Sulfur Falls enters the battlefield tapped unless you control an Island or a Mountain.
{T}: Add {U} or {R}.
{U}
Swan Song
Instant
Counter target enchantment, instant, or sorcery spell. Its controller creates a 2/2 blue Bird creature token with flying.
{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}
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
{R}
Tectonic Hazard
Sorcery
Tectonic Hazard deals 1 damage to each opponent and each creature they control.
--
Temple of Epiphany
Land
Temple of Epiphany enters the battlefield tapped.
When Temple of Epiphany enters the battlefield, scry 1.
{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}{R}
Thermo-Alchemist
Creature - Human Shaman
Defender
{T}: Thermo-Alchemist deals 1 damage to each opponent.
Whenever you cast an instant or sorcery spell, untap Thermo-Alchemist.
0 /
3
--
Training Center
Land
Training Center enters the battlefield tapped unless you have two or more opponents.
{T}: Add {U} or {R}.
{2}{R}
Unruly Catapult
Artifact Creature - Construct
Defender
{T}: Unruly Catapult deals 1 damage to each opponent.
Whenever you cast an instant or sorcery spell, untap Unruly Catapult.
0 /
4
{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.")