{T}: Add one mana of any color in your commander's color identity.

Whenever a creature attacks, Caltrops deals 1 damage to it.

{1}, {T}: Add {U}{R}.

Suspend 3—{0} (Rather than cast this card from your hand, pay {0} and exile it with three time counters on it. At the beginning of your upkeep, remove a time counter. When the last is removed, you may cast it without paying its mana cost.) {T}, Sacrifice Lotus Bloom: Add three mana of any one color.

Red spells you cast cost {1} less to cast.

Blue spells you cast cost {1} less to cast.

{T}: Add {C}{C}.

You may activate abilities of creatures you control as though those creatures had haste. {1}, {T}: Untap target creature.

{1}, {T}: Blisterspit Gremlin deals 1 damage to each opponent. Whenever you cast a noncreature spell, untap Blisterspit Gremlin.

{T}: Chandra's Magmutt deals 1 damage to target player or planeswalker.

Haste {T}: Cunning Sparkmage deals 1 damage to any target.

{T}: Gelectrode deals 1 damage to any target. Whenever you cast an instant or sorcery spell, you may untap Gelectrode.

Instant and sorcery spells you cast cost {1} less to cast.

Goblin Sharpshooter doesn't untap during your untap step. Whenever a creature dies, untap Goblin Sharpshooter. {T}: Goblin Sharpshooter deals 1 damage to any target.

When Imperial Recruiter enters the battlefield, search your library for a creature card with power 2 or less, reveal it, put it into your hand, then shuffle.

Flying You don't lose unspent red mana as steps and phases end. When Leyline Tyrant dies, you may pay any amount of {R}. When you do, it deals that much damage to any target.

Coruscating Flames — Whenever you cast an instant or sorcery spell, Pink Horror deals 2 damage to any target. Split — When Pink Horror dies, create two 2/2 blue and red Demon Horror creature tokens named Blue Horror with "Whenever you cast an instant or sorcery spell, this creature deals 1 damage to any target."

Pirate Ship can't attack unless defending player controls an Island. {T}: Pirate Ship deals 1 damage to any target. When you control no Islands, sacrifice Pirate Ship.

{T}: Prodigal Pyromancer deals 1 damage to any target.

{T}: Prodigal Sorcerer deals 1 damage to any target.

{1}{R}{R}: Pyroclastic Elemental deals 1 damage to target player.

Defender {T}: Thermo-Alchemist deals 1 damage to each opponent. Whenever you cast an instant or sorcery spell, untap Thermo-Alchemist.

If a red source you control would deal damage to an opponent or a permanent an opponent controls, it deals that much damage plus 2 instead.

{T}: Vithian Stinger deals 1 damage to any target. Unearth {1}{R} ({1}{R}: Return this card from your graveyard to the battlefield. It gains haste. Exile it at the beginning of the next end step or if it would leave the battlefield. Unearth only as a sorcery.)

Haste {T}: Vulshok Sorcerer deals 1 damage to any target.

Whenever you cast your first instant or sorcery spell each turn, exile an instant or sorcery card at random from your graveyard. Then copy each card exiled with Arcane Bombardment. You may cast any number of the copies without paying their mana costs.

Cumulative upkeep—Add {R}. (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.)

Instant and sorcery spells you control have rebound. (Exile the spell as it resolves if you cast it from your hand. At the beginning of your next upkeep, you may cast that card from exile without paying its mana cost.)

Whenever a creature without flying attacks you or a planeswalker you control, Circle of Flame deals 1 damage to that creature.

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.)

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."

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.

Untap all nonland permanents you control.

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 "target" in its text to "each.")

Engulfing Flames deals 1 damage to target creature. It can't be regenerated this turn. Flashback {3}{R} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Search your library for an instant card with mana value 3, reveal it, and put it into your hand. Then repeat this process for instant cards with mana values 2 and 1. Then shuffle.

Copy target instant or sorcery spell, except that the copy is red. You may choose new targets for the copy.

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.)

You may cast up to two instant and/or sorcery spells with total mana value 6 or less from your graveyard and/or hand without paying their mana costs. If those spells would be put into your graveyard, exile them instead. Exile Invoke Calamity.

Search your library for a card, then shuffle and put that card third from the top.

Search your library for an instant or sorcery card, reveal it, then shuffle and put that card on top.

Puncture Bolt deals 1 damage to target creature. Put a -1/-1 counter on that creature.

Replicate {1}{R} (When you cast this spell, copy it for each time you paid its replicate cost. You may choose new targets for the copies.) Pyromatics deals 1 damage to any target.

Searing Blaze deals 1 damage to target player or planeswalker and 1 damage to target creature that player or that planeswalker's controller controls. Landfall — If you had a land enter the battlefield under your control this turn, Searing Blaze deals 3 damage to that player or planeswalker and 3 damage to that creature instead.

When you cast your next instant or sorcery spell this turn, copy that spell X times. You may choose new targets for the copies.

If Balduvian Trading Post would enter the battlefield, sacrifice an untapped Mountain instead. If you do, put Balduvian Trading Post onto the battlefield. If you don't, put it into its owner's graveyard. {T}: Add {C}{R}. {1}, {T}: Balduvian Trading Post deals 1 damage to target attacking creature.

{T}: Add {C}. {U/R}, {T}: Add {U}{U}, {U}{R}, or {R}{R}.

{T}: Add one mana of any color in your commander's color identity.

{T}: Add {C}. {T}: Desert deals 1 damage to target attacking creature. Activate only during the end of combat step.

{T}: Add {C}. {1}{U}{R}, {T}: Draw a card, then discard a card.

Dormant Volcano enters the battlefield tapped. When Dormant Volcano enters the battlefield, sacrifice it unless you return an untapped Mountain you control to its owner's hand. {T}: Add {C}{R}.

Dwarven Hold enters the battlefield tapped. You may choose not to untap Dwarven Hold during your untap step. At the beginning of your upkeep, if Dwarven Hold is tapped, put a storage counter on it. {T}, Remove any number of storage counters from Dwarven Hold: Add {R} for each storage counter removed this way.

{T}, Sacrifice Fabled Passage: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle. Then if you control four or more lands, untap that land.

({T}: Add {U}.)

Keldon Megaliths enters the battlefield tapped. {T}: Add {R}. Hellbent — {1}{R}, {T}: Keldon Megaliths deals 1 damage to any target. Activate only if you have no cards in hand.

{T}: Add {U}. {U}, {T}: Untap target legendary permanent.

({T}: Add {R}.)

{T}: Add {C}. {2}{R}, {T}: Shivan Gorge deals 1 damage to each opponent.

Spirebluff Canal enters the battlefield tapped unless you control two or fewer other lands. {T}: Add {U} or {R}.

Stormcarved Coast enters the battlefield tapped unless you control two or more other lands. {T}: Add {U} or {R}.

Sulfur Falls enters the battlefield tapped unless you control an Island or a Mountain. {T}: Add {U} or {R}.

Swiftwater Cliffs enters the battlefield tapped. When Swiftwater Cliffs enters the battlefield, you gain 1 life. {T}: Add {U} or {R}.

Temple of Epiphany enters the battlefield tapped. When Temple of Epiphany enters the battlefield, scry 1. {T}: Add {U} or {R}.

Thriving Bluff enters the battlefield tapped. As Thriving Bluff enters the battlefield, choose a color other than red. {T}: Add {R} or one mana of the chosen color.

Thriving Isle enters the battlefield tapped. As Thriving Isle enters the battlefield, choose a color other than blue. {T}: Add {U} or one mana of the chosen color.

Training Center enters the battlefield tapped unless you have two or more opponents. {T}: Add {U} or {R}.

+1: Untap target Mountain. It becomes a 4/4 red Elemental creature until end of turn. It's still a land. −2: Add {R} for each Mountain you control. −5: You get an emblem with "Mountains you control have '{T}: This land deals 1 damage to any target.'"

Exile the top seven cards of your library. Until end of turn, you may cast spells from among them. If this spell was cast from your hand, add ten mana of any one color.

Exile the top six cards of your library. You may cast up to two sorcery spells with mana value 3 or less from among them without paying their mana costs. Put the exiled cards not cast this way on the bottom of your library in a random order.

Shuffle your library. As many times as you choose, you may exile the top card of your library. If the total mana value of the cards exiled this way is 13 or less, you may cast any number of spells from among those cards without paying their mana costs.

Exile the top X cards of your library. You may cast instant and sorcery spells with mana value X or less from among them without paying their mana costs. Then put all cards exiled this way that weren't cast into your graveyard.

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.

You may cast up to one target instant card and/or up to one target sorcery card from your graveyard each with mana value X or less without paying their mana costs. If a spell cast this way would be put into your graveyard, exile it instead. If X is 10 or more, copy each of those spells twice. You may choose new targets for the copies.

This spell costs {1} more to cast for each target beyond the first. Fireball deals X damage divided evenly, rounded down, among any number of targets.

Until end of turn, permanents you control gain "{T}: This permanent deals 1 damage to any target."

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.)

Untap all creatures and gain control of them until end of turn. They gain haste until end of turn.

Search your library for a blue instant card, reveal that card, put it into your hand, then shuffle.

Exile target card that's an instant or sorcery from your graveyard. For each card exiled this way, copy it, and you may cast the copy without paying its mana cost. Exile Mizzix's Mastery. Overload {5}{R}{R}{R} (You may cast this spell for its overload cost. If you do, change "target" in its text to "each.")

Exile target instant or sorcery card from a graveyard. Copy that card three times. You may cast the copies without paying their mana costs. Exile Mnemonic Deluge.

Psychic Purge deals 1 damage to any target. When a spell or ability an opponent controls causes you to discard Psychic Purge, that player loses 5 life.

Astral Cornucopia enters the battlefield with X charge counters on it. {T}: Choose a color. Add one mana of that color for each charge counter on Astral Cornucopia.

{T}, Sacrifice a creature: Blasting Station deals 1 damage to any target. Whenever a creature enters the battlefield, you may untap Blasting Station.

Haste When Bloodthirsty Adversary enters the battlefield, you may pay {2}{R} any number of times. When you pay this cost one or more times, put that many +1/+1 counters on Bloodthirsty Adversary, then exile up to that many target instant and/or sorcery cards with mana value 3 or less from your graveyard and copy them. You may cast any number of the copies without paying their mana costs.

Flying Whenever Cemetery Illuminator enters the battlefield or attacks, exile a card from a graveyard. You may look at the top card of your library any time. Once each turn, you may cast a spell from the top of your library if it shares a card type with a card exiled with Cemetery Illuminator.

You may have Clever Impersonator enter the battlefield as a copy of any nonland permanent on the battlefield.

Electrolyze deals 2 damage divided as you choose among one or two targets. Draw a card.

Imprint — When Extraplanar Lens enters the battlefield, you may exile target land you control. Whenever a land with the same name as the exiled card is tapped for mana, its controller adds one mana of any type that land produced.

{T}: Grapeshot Catapult deals 1 damage to target creature with flying.

Whenever an opponent activates an ability of an artifact, creature, or land that isn't a mana ability, Immolation Shaman deals 1 damage to that player. {3}{R}{R}: Immolation Shaman gets +3/+3 and gains menace until end of turn.

If Leyline of Punishment is in your opening hand, you may begin the game with it on the battlefield. Players can't gain life. Damage can't be prevented.

Take an extra turn after this one. If Nexus of Fate would be put into a graveyard from anywhere, reveal Nexus of Fate and shuffle it into its owner's library instead.

Flying Whenever Niv-Mizzet, Dracogenius deals damage to a player, you may draw a card. {U}{R}: Niv-Mizzet, Dracogenius deals 1 damage to any target.

Enchant creature Enchanted creature has "{T}: This creature deals 1 damage to any target."

Enchant creature Enchanted creature has "{T}: This creature deals 1 damage to target player or planeswalker. You draw a card."

Whenever a player casts an instant or sorcery spell, exile it instead of putting it into a graveyard as it resolves. {X}, {T}, Sacrifice Rod of Absorption: You may cast any number of spells from among cards exiled with Rod of Absorption with total mana value X or less without paying their mana costs.

Whenever you cast a red spell, if Runaway Steam-Kin has fewer than three +1/+1 counters on it, put a +1/+1 counter on Runaway Steam-Kin. Remove three +1/+1 counters from Runaway Steam-Kin: Add {R}{R}{R}.

Cast this spell only during your turn and only during combat. Choose one — • Creatures you control gain double strike until end of turn. • Untap all creatures you control. After this phase, there is an additional combat phase. Entwine {1}{R} (Choose both if you pay the entwine cost.)

Flash When Snapcaster Mage enters the battlefield, target instant or sorcery card in your graveyard gains flashback until end of turn. The flashback cost is equal to its mana cost. (You may cast that card from your graveyard for its flashback cost. Then exile it.)

Whenever an opponent taps an artifact for mana, gain control of that artifact until the end of your next turn.