Manticore Eternal

Afflict 3 (Whenever this creature becomes blocked, defending player loses 3 life.)
This creature attacks each combat if able.

Goblin Balloon Brigade

{R}: This creature gains flying until end of turn.

Sizzle

Mountain

Volcanic Rambler

{2}{R}: This creature deals 1 damage to target player or planeswalker.

Goblin Sledder

Sacrifice a Goblin: Target creature gets +1/+1 until end of turn.

Fire Drake

Flying
{R}: This creature gets +1/+0 until end of turn. Activate only once each turn.

Goblin Spelunkers

Mountainwalk (This creature can't be blocked as long as defending player controls a Mountain.)

Pyrotechnics

Pyrotechnics deals 4 damage divided as you choose among any number of targets.

Orcish Spy

{T}: Look at the top three cards of target player's library.

Rowan, Fearless Sparkmage

+1: Up to one target creature gets +3/+0 and gains first strike until end of turn.
−2: Rowan deals 1 damage to each of up to two target creatures. Those creatures can't block this turn.
−9: Gain control of all creatures until end of turn. Untap them. They gain haste until end of turn.

Karplusan Wolverine

Whenever this creature becomes blocked, you may have it deal 1 damage to any target.

Skinbrand Goblin

Bloodrush — {R}, Discard this card: Target attacking creature gets +2/+1 until end of turn.

Wall of Fire

Defender (This creature can't attack.)
{R}: This creature gets +1/+0 until end of turn.

War-Torch Goblin

{R}, Sacrifice this creature: It deals 2 damage to target blocking creature.

Fanning the Flames

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.)
Fanning the Flames deals X damage to any target.

Bird Maiden

Wall of Stone

Cobblebrute

Sparring Collar

Equipped creature has first strike.
{R}{R}: Attach this Equipment to target creature you control.
Equip {1} ({1}: Attach to target creature you control. Equip only as a sorcery.)

Lightning Berserker

{R}: This creature gets +1/+0 until end of turn.
Dash {R} (You may cast this spell for its dash cost. If you do, it gains haste, and it's returned from the battlefield to its owner's hand at the beginning of the next end step.)

Dragon's Claw

Whenever a player casts a red spell, you may gain 1 life.

Talons of Falkenrath

Flash (You may cast this spell any time you could cast an instant.)
Enchant creature
Enchanted creature has "{1}{R}: This creature gets +2/+0 until end of turn."

Canyon Wildcat

Foundry Street Denizen

Whenever another red creature you control enters, this creature gets +1/+0 until end of turn.

Bogardan Rager

Flash (You may cast this spell any time you could cast an instant.)
When this creature enters, target creature gets +4/+0 until end of turn.

Brazen Scourge

Haste (This creature can attack and {T} as soon as it comes under your control.)

Spitfire Handler

This creature can't block creatures with power greater than this creature's power.
{R}: This creature gets +1/+0 until end of turn.

Ember Beast

This creature can't attack or block alone.

Stormwing Dragon

Flying, first strike
Megamorph {5}{R}{R} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its megamorph cost and put a +1/+1 counter on it.)
When this creature is turned face up, put a +1/+1 counter on each other Dragon creature you control.

Violent Impact

Destroy target artifact or land.
Cycling {2} ({2}, Discard this card: Draw a card.)

Koth's Courier

Forestwalk (This creature can't be blocked as long as defending player controls a Forest.)

Maniacal Rage

Enchant creature
Enchanted creature gets +2/+2 and can't block.

Spitting Earth

Spitting Earth deals damage to target creature equal to the number of Mountains you control.

Spitting Drake

Stone Spirit

This creature can't be blocked by creatures with flying.

Wave of Indifference

X target creatures can't block this turn.

Fireshrieker

Equipped creature has double strike. (It deals both first-strike and regular combat damage.)
Equip {2} ({2}: Attach to target creature you control. Equip only as a sorcery.)

Firebreathing

Enchant creature
{R}: Enchanted creature gets +1/+0 until end of turn.

Excruciator

Damage that would be dealt by this creature can't be prevented.

Reduce to Ashes

Reduce to Ashes deals 5 damage to target creature. If that creature would die this turn, exile it instead.

Fanatic of Mogis

When this creature enters, it deals damage to each opponent equal to your devotion to red. (Each {R} in the mana costs of permanents you control counts toward your devotion to red.)

Lava Axe

Lava Axe deals 5 damage to target player or planeswalker.

Break Through the Line

{R}: Target creature with power 2 or less gains haste until end of turn and can't be blocked this turn.

Act of Treason

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.)

Skirk Commando

Whenever this creature deals combat damage to a player, you may have it deal 2 damage to target creature that player controls.
Morph {2}{R} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.)

Goblin Sky Raider

Flying (This creature can't be blocked except by creatures with flying or reach.)

Boggart Brute

Menace (This creature can't be blocked except by two or more creatures.)

Skirk Marauder

Morph {2}{R} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.)
When this creature is turned face up, it deals 2 damage to any target.

Blastfire Bolt

Blastfire Bolt deals 5 damage to target creature. Destroy all Equipment attached to that creature.

Embermage Goblin

When this creature enters, you may search your library for a card named Embermage Goblin, reveal it, put it into your hand, then shuffle.
{T}: This creature deals 1 damage to any target.

Insolence

Enchant creature
Whenever enchanted creature becomes tapped, this Aura deals 2 damage to that creature's controller.

Goblin Brawler

First strike
This creature can't be equipped.

Molten Frame

Destroy target artifact creature.
Cycling {2} ({2}, Discard this card: Draw a card.)

Laccolith Whelp

Whenever this creature becomes blocked, you may have it deal damage equal to its power to target creature. If you do, this creature assigns no combat damage this turn.

Eternal Warrior

Enchant creature
Enchanted creature has vigilance.

Needlepeak Spider

Lava Burst

Lava Burst deals X damage to any target. If Lava Burst would deal damage to a creature, that damage can't be prevented or dealt instead to another permanent or player.

Lightning Shrieker

Flying, trample, haste
At the beginning of the end step, this creature's owner shuffles it into their library.

Intimidator Initiate

Whenever a player casts a red spell, you may pay {1}. If you do, target creature can't block this turn.

Fit of Rage

Target creature gets +3/+3 and gains first strike until end of turn.

Jeering Instigator

Morph {2}{R} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.)
When this creature is turned face up, if it's your turn, gain control of another target creature until end of turn. Untap that creature. It gains haste until end of turn.