Equipped creature gets +0/+3 and has vigilance. (Attacking doesn't cause it to tap.)
Equip {3} ({3}: Attach to target creature you control. Equip only as a sorcery.)
{2}{R}
Act of Treason
Sorcery
Gain control of target creature until end of turn. Untap that creature. It gains haste until end of turn. (It can attack and {T} this turn.)
{2}{R}
Blood Sun
Enchantment
When Blood Sun enters the battlefield, draw a card.
All lands lose all abilities except mana abilities.
{3}{R}
Captivating Crew
Creature - Human Pirate
{3}{R}: Gain control of target creature an opponent controls until end of turn. Untap that creature. It gains haste until end of turn. Activate only as a sorcery.
4 /
3
{3}{R}{R}
Cone of Flame
Sorcery
Cone of Flame deals 1 damage to any target, 2 damage to another target, and 3 damage to a third target.
{3}{R}
Demolish
Sorcery
Destroy target artifact or land.
{3}{R}{R}
Dictate of the Twin Gods
Enchantment
Flash
If a source would deal damage to a permanent or player, it deals double that damage to that permanent or player instead.
{1}{R}
Dragon Fodder
Sorcery
Create two 1/1 red Goblin creature tokens.
{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.")
{2}
Executioner's Hood
Artifact - Equipment
Equipped creature has intimidate. (This creature can't be blocked except by artifact creatures and/or creatures that share a color with it.)
Equip {2} ({2}: Attach to target creature you control. Equip only as a sorcery.)
{1}{R}
Falkenrath Exterminator
Creature - Vampire Archer
Whenever Falkenrath Exterminator deals combat damage to a player, put a +1/+1 counter on it.
{2}{R}: Falkenrath Exterminator deals damage to target creature equal to the number of +1/+1 counters on Falkenrath Exterminator.
1 /
1
{1}{R}
Fall of the Hammer
Instant
Target creature you control deals damage equal to its power to another target creature.
{2}{R}
Fervor
Enchantment
Creatures you control have haste. (They can attack and {T} as soon as they come under your control.)
{4}{R}{R}
Forgestoker Dragon
Creature - Dragon
Flying
{1}{R}: Forgestoker Dragon deals 1 damage to target creature. That creature can't block this combat. Activate only if Forgestoker Dragon is attacking.
5 /
4
{R}
Foundry Street Denizen
Creature - Goblin Warrior
Whenever another red creature enters the battlefield under your control, Foundry Street Denizen gets +1/+0 until end of turn.
1 /
1
{R}
Frenzied Goblin
Creature - Goblin Berserker
Whenever Frenzied Goblin attacks, you may pay {R}. If you do, target creature can't block this turn.
1 /
1
{1}{R}
Generator Servant
Creature - Elemental
{T}, Sacrifice Generator Servant: Add {C}{C}. If that mana is spent on a creature spell, it gains haste until end of turn. (That creature can attack and {T} as soon as it comes under your control.)
2 /
1
{R}
Goblin Arsonist
Creature - Goblin Shaman
When Goblin Arsonist dies, you may have it deal 1 damage to any target.
1 /
1
{3}{R}
Goblin Battle Jester
Creature - Goblin
Whenever you cast a red spell, target creature can't block this turn.
2 /
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
{4}{R}{R}
Goblin Goliath
Creature - Goblin Mutant
When Goblin Goliath enters the battlefield, create a number of 1/1 red Goblin creature tokens equal to the number of opponents you have.
{3}{R}, {T}: If a source you control would deal damage to an opponent this turn, it deals double that damage to that player instead.
5 /
4
{1}{R}
Goblin Instigator
Creature - Goblin Rogue
When Goblin Instigator enters the battlefield, create a 1/1 red Goblin creature token.
1 /
1
{2}{R}
Goblinslide
Enchantment
Whenever you cast a noncreature spell, you may pay {1}. If you do, create a 1/1 red Goblin creature token with haste.
{R}
Grim Lavamancer
Creature - Human Wizard
{R}, {T}, Exile two cards from your graveyard: Grim Lavamancer deals 2 damage to any target.
1 /
1
{2}{R}
Guttersnipe
Creature - Goblin Shaman
Whenever you cast an instant or sorcery spell, Guttersnipe deals 2 damage to each opponent.
2 /
2
{6}{R}
Hamletback Goliath
Creature - Giant Warrior
Whenever another creature enters the battlefield, you may put X +1/+1 counters on Hamletback Goliath, where X is that creature's power.
6 /
6
{3}{R}
Havengul Vampire
Creature - Vampire
Whenever Havengul Vampire deals combat damage to a player, put a +1/+1 counter on it.
Whenever another creature dies, put a +1/+1 counter on Havengul Vampire.
2 /
2
{X}{R}
Heat Ray
Instant
Heat Ray deals X damage to target creature.
{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}
Invader Parasite
Creature - Phyrexian Insect
Imprint -- When Invader Parasite enters the battlefield, exile target land.
Whenever a land with the same name as the exiled card enters the battlefield under an opponent's control, Invader Parasite deals 2 damage to that player.
3 /
2
{1}{R}{R}
Krenko's Enforcer
Creature - Goblin Warrior
Intimidate (This creature can't be blocked except by artifact creatures and/or creatures that share a color with it.)
2 /
2
{2}{R}{R}
Krenko, Mob Boss
Legendary Creature - Goblin Warrior
{T}: Create X 1/1 red Goblin creature tokens, where X is the number of Goblins you control.
3 /
3
{2}{R}
Krenko, Tin Street Kingpin
Legendary Creature - Goblin
Whenever Krenko, Tin Street Kingpin attacks, put a +1/+1 counter on it, then create a number of 1/1 red Goblin creature tokens equal to Krenko's power.
1 /
2
{1}{R}
Lightning Strike
Instant
Lightning Strike deals 3 damage to any target.
{3}{R}
Lightning Volley
Instant
Until end of turn, creatures you control gain "{T}: This creature deals 1 damage to any target."
{6}
Mindslaver
Legendary Artifact
{4}, {T}, Sacrifice Mindslaver: You control target player during that player's next turn. (You see all cards that player could see and make all decisions for the player.)
{5}{R}
Mirror March
Enchantment
Whenever a nontoken creature enters the battlefield under your control, flip a coin until you lose a flip. For each flip you won, create a token that's a copy of that creature. Those tokens gain haste. Exile them at the beginning of the next end step.
{4}
Moonsilver Spear
Artifact - Equipment
Equipped creature has first strike.
Whenever equipped creature attacks, create a 4/4 white Angel creature token with flying.
Equip {4}
--
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}.)
--
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}.)
--
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}.)
{4}{R}
Pharagax Giant
Creature - Giant
Tribute 2 (As this creature enters the battlefield, an opponent of your choice may put two +1/+1 counters on it.)
When Pharagax Giant enters the battlefield, if tribute wasn't paid, Pharagax Giant deals 5 damage to each opponent.
3 /
3
{3}{R}
Portent of Betrayal
Sorcery
Gain control of target creature until end of turn. Untap that creature. It gains haste until end of turn. Scry 1. (Look at the top card of your library. You may put that card on the bottom of your library.)
{2}{R}
Prodigal Pyromancer
Creature - Human Wizard
{T}: Prodigal Pyromancer deals 1 damage to any target.
1 /
1
{4}{R}
Punish the Enemy
Instant
Punish the Enemy deals 3 damage to target player or planeswalker and 3 damage to target creature.
{3}{R}
Purphoros, God of the Forge
Legendary Enchantment Creature - God
Indestructible
As long as your devotion to red is less than five, Purphoros isn't a creature.
Whenever another creature enters the battlefield under your control, Purphoros deals 2 damage to each opponent.
{2}{R}: Creatures you control get +1/+0 until end of turn.
6 /
5
{R}
Raging Goblin
Creature - Goblin Berserker
Haste (This creature can attack and {T} as soon as it comes under your control.)
1 /
1
{R}{R}
Reverberate
Instant
Copy target instant or sorcery spell. You may choose new targets for the copy.
{5}{R}{R}
Rite of Ruin
Sorcery
Choose an order for artifacts, creatures, and lands. Each player sacrifices one permanent of the first type, sacrifices two of the second type, then sacrifices three of the third type.
{X}{R}{R}
Rolling Thunder
Sorcery
Rolling Thunder deals X damage divided as you choose among any number of targets.
{2}{R}
Rummaging Goblin
Creature - Goblin Rogue
{T}, Discard a card: Draw a card.
1 /
1
{2}{R}
Rush of Blood
Instant
Target creature gets +X/+0 until end of turn, where X is its power.
{3}{R}{R}
Scourge of Geier Reach
Creature - Elemental
Scourge of Geier Reach gets +1/+1 for each creature your opponents control.
3 /
3
{1}{R}
Searing Spear
Instant
Searing Spear deals 3 damage to any target.
{3}
Semblance Anvil
Artifact
Imprint -- When Semblance Anvil enters the battlefield, you may exile a nonland card from your hand.
Spells you cast that share a card type with the exiled card cost {2} less to cast.
{5}{R}{R}
Spawn of Thraxes
Creature - Dragon
Flying
When Spawn of Thraxes enters the battlefield, it deals damage to any target equal to the number of Mountains you control.
5 /
5
{1}{R}
Spitting Earth
Sorcery
Spitting Earth deals damage to target creature equal to the number of Mountains you control.
{3}
Staff of the Flame Magus
Artifact
Whenever you cast a red spell or a Mountain enters the battlefield under your control, you gain 1 life.
{X}{R}
Street Spasm
Instant
Street Spasm deals X damage to target creature without flying you don't control.
Overload {X}{X}{R}{R} (You may cast this spell for its overload cost. If you do, change "target" in its text to "each.")
{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}
{6}
Thopter Assembly
Artifact Creature - Thopter
Flying
At the beginning of your upkeep, if you control no Thopters other than Thopter Assembly, return Thopter Assembly to its owner's hand and create five 1/1 colorless Thopter artifact creature tokens with flying.
5 /
5
{4}{R}{R}
Thunder Brute
Creature - Cyclops
Trample
Tribute 3 (As this creature enters the battlefield, an opponent of your choice may put three +1/+1 counters on it.)
When Thunder Brute enters the battlefield, if tribute wasn't paid, it gains haste until end of turn.
Gain control of target creature until end of turn. Untap that creature. Until end of turn, it gets +2/+0 and gains haste.
{3}{R}{R}
Turn to Slag
Sorcery
Turn to Slag deals 5 damage to target creature. Destroy all Equipment attached to that creature.
{1}{R}
Twinflame
Sorcery
Strive -- This spell costs {2}{R} more to cast for each target beyond the first.
Choose any number of target creatures you control. For each of them, create a token that's a copy of that creature, except it has haste. Exile those tokens at the beginning of the next end step.
{2}
Vanguard's Shield
Artifact - Equipment
Equipped creature gets +0/+3 and can block an additional creature each combat.
Equip {3} ({3}: Attach to target creature you control. Equip only as a sorcery.)