When Beetleback Chief enters the battlefield, create two 1/1 red Goblin creature tokens.
2 /
2
{2}
Blade of Selves
Artifact - Equipment
Equipped creature has myriad. (Whenever it attacks, for each opponent other than defending player, you may create a token copy that's tapped and attacking that player or a planeswalker they control. Exile the tokens at end of combat.)
Equip {4}
{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.
{4}{R}{R}{R}
Chancellor of the Forge
Creature - Phyrexian Giant
You may reveal this card from your opening hand. If you do, at the beginning of the first upkeep, create a 1/1 red Phyrexian Goblin creature token with haste.
When Chancellor of the Forge enters the battlefield, create X 1/1 red Phyrexian Goblin creature tokens with haste, where X is the number of creatures you control.
5 /
5
{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
{3}
Commander's Sphere
Artifact
{T}: Add one mana of any color in your commander's color identity.
Sacrifice Commander's Sphere: Draw a card.
{3}
Darksteel Ingot
Artifact
Indestructible (Effects that say "destroy" don't destroy this artifact.)
{T}: Add one mana of any color.
{4}{R}{R}
Descent of the Dragons
Sorcery
Destroy any number of target creatures. For each creature destroyed this way, its controller creates a 4/4 red Dragon creature token with flying.
{1}{R}
Dragon Fodder
Sorcery
Create two 1/1 red Goblin creature tokens.
{R}
Dragonmaster Outcast
Creature - Human Shaman
At the beginning of your upkeep, if you control six or more lands, create a 5/5 red Dragon creature token with flying.
1 /
1
{6}
Dreamstone Hedron
Artifact
{T}: Add {C}{C}{C}.
{3}, {T}, Sacrifice Dreamstone Hedron: Draw three cards.
{3}
Druidic Satchel
Artifact
{2}, {T}: Reveal the top card of your library. If it's a creature card, create a 1/1 green Saproling creature token. If it's a land card, put that card onto the battlefield under your control. If it's a noncreature, nonland card, you gain 2 life.
{3}{R}
Elemental Mastery
Enchantment - Aura
Enchant creature
Enchanted creature has "{T}: Create X 1/1 red Elemental creature tokens with haste, where X is this creature's power. Exile them at the beginning of the next end step."
{3}{R}
Empty the Warrens
Sorcery
Create two 1/1 red Goblin creature tokens.
Storm (When you cast this spell, copy it for each spell cast before it this turn.)
{4}{R}
Emrakul's Hatcher
Creature - Eldrazi Drone
When Emrakul's Hatcher enters the battlefield, create three 0/1 colorless Eldrazi Spawn creature tokens. They have "Sacrifice this creature: Add {C}."
Multikicker {2} (You may pay an additional {2} any number of times as you cast this spell.)
Everflowing Chalice enters the battlefield with a charge counter on it for each time it was kicked.
{T}: Add {C} for each charge counter on Everflowing Chalice.
{1}
Expedition Map
Artifact
{2}, {T}, Sacrifice Expedition Map: Search your library for a land card, reveal it, put it into your hand, then shuffle.
{1}{R}{R}
Feldon of the Third Path
Legendary Creature - Human Artificer
{2}{R}, {T}: Create a token that's a copy of target creature card in your graveyard, except it's an artifact in addition to its other types. It gains haste. Sacrifice it at the beginning of the next end step.
2 /
3
{X}{R}{R}
Firecat Blitz
Sorcery
Create X 1/1 red Elemental Cat creature tokens with haste. Exile them at the beginning of the next end step.
Flashback--{R}{R}, Sacrifice X Mountains. (You may cast this card from your graveyard for its flashback cost. Then exile it.)
{3}{R}
Flameshadow Conjuring
Enchantment
Whenever a nontoken creature enters the battlefield under your control, you may pay {R}. If you do, create a token that's a copy of that creature. That token gains haste. Exile it at the beginning of the next end step.
--
Forgotten Cave
Land
Forgotten Cave enters tapped.
{T}: Add {R}.
Cycling {R} ({R}, Discard this card: Draw a card.)
{1}{R}
Goblin Bombardment
Enchantment
Sacrifice a creature: Goblin Bombardment deals 1 damage to any target.
{4}{R}{R}
Goblin Marshal
Creature - Goblin Warrior
Echo {4}{R}{R} (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay its echo cost.)
When Goblin Marshal enters the battlefield or dies, create two 1/1 red Goblin creature tokens.
3 /
3
{2}{R}
Goblin Matron
Creature - Goblin
When Goblin Matron enters, you may search your library for a Goblin card, reveal that card, put it into your hand, then shuffle.
1 /
1
{X}{1}{R}{R}
Goblin Offensive
Sorcery
Create X 1/1 red Goblin creature tokens.
{3}{R}{R}
Goblin Rally
Sorcery
Create four 1/1 red Goblin creature tokens.
{3}{R}{R}
Goblin Scouts
Sorcery
Create three 1/1 red Goblin Scout creature tokens with mountainwalk. (They can't be blocked as long as defending player controls a Mountain.)
{2}{R}
Goblin Warrens
Enchantment
{2}{R}, Sacrifice two Goblins: Create three 1/1 red Goblin creature tokens.
{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.
{2}{R}
Grinning Ignus
Creature - Elemental
{R}, Return Grinning Ignus to its owner's hand: Add {C}{C}{R}. Activate only as a sorcery.
2 /
2
{X}{X}
Hangarback Walker
Artifact Creature - Construct
Hangarback Walker enters with X +1/+1 counters on it.
When Hangarback Walker dies, create a 1/1 colorless Thopter artifact creature token with flying for each +1/+1 counter on Hangarback Walker.
{1}, {T}: Put a +1/+1 counter on Hangarback Walker.
0 /
0
{5}{R}
Hellion Eruption
Sorcery
Sacrifice all creatures you control, then create that many 4/4 red Hellion creature tokens.
{1}{R}{R}
Hordeling Outburst
Sorcery
Create three 1/1 red Goblin creature tokens.
{3}{R}
Ib Halfheart, Goblin Tactician
Legendary Creature - Goblin Advisor
Whenever another Goblin you control becomes blocked, sacrifice it. If you do, it deals 4 damage to each creature blocking it.
Sacrifice two Mountains: Create two 1/1 red Goblin creature tokens.
3 /
2
{1}{R}
Impact Tremors
Enchantment
Whenever a creature enters the battlefield under your control, Impact Tremors deals 1 damage to each opponent.
{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
{4}
Khalni Gem
Artifact
When Khalni Gem enters the battlefield, return two lands you control to their owner's hand.
{T}: Add two mana of any one color.
--
Kher Keep
Legendary Land
{T}: Add {C}.
{1}{R}, {T}: Create a 0/1 red Kobold creature token named Kobolds of Kher Keep.
{2}{R}{R}
Koth of the Hammer
Legendary Planeswalker - Koth
+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.'"
L:
3
{1}{R}
Krenko's Command
Sorcery
Create two 1/1 red Goblin creature tokens.
{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
{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}{R}
Mizzix's Mastery
Sorcery
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.")
{3}{R}{R}
Mogg Infestation
Sorcery
Destroy all creatures target player controls. For each creature that died this way, that player creates two 1/1 red Goblin creature tokens.
{1}{R}
Mogg War Marshal
Creature - Goblin Warrior
Echo {1}{R} (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay its echo cost.)
When Mogg War Marshal enters the battlefield or dies, create a 1/1 red Goblin creature token.
1 /
1
{2}{R}{R}
Moggcatcher
Creature - Human Mercenary
{3}, {T}: Search your library for a Goblin permanent card, put it onto the battlefield, then shuffle.
2 /
2
{1}{R}{R}
Molten Birth
Sorcery
Create two 1/1 red Elemental creature tokens, then flip a coin. If you win the flip, return Molten Birth to its owner's hand.
{3}
Palladium Myr
Artifact Creature - Myr
{T}: Add {C}{C}.
2 /
2
{2}{R}{R}
Rakka Mar
Legendary Creature - Human Shaman
Haste
{R}, {T}: Create a 3/1 red Elemental creature token with haste.
2 /
2
{5}{R}
Rally the Horde
Sorcery
Exile the top card of your library. Exile the top card of your library. Exile the top card of your library. If the last card exiled isn't a land card, repeat this process. Create a 1/1 red Warrior creature token for each nonland card exiled this way.
{5}{R}
Rapacious One
Creature - Eldrazi Drone
Trample
Whenever Rapacious One deals combat damage to a player, create that many 0/1 colorless Eldrazi Spawn creature tokens. They have "Sacrifice this creature: Add {C}."
5 /
4
{2}
Ruby Medallion
Artifact
Red spells you cast cost {1} less to cast.
{1}{R}
Shattering Pulse
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.)
Destroy target artifact.
{3}{R}{R}
Siege-Gang Commander
Creature - Goblin
When Siege-Gang Commander enters, create three 1/1 red Goblin creature tokens.
{1}{R}, Sacrifice a Goblin: Siege-Gang Commander deals 2 damage to any target.
2 /
2
{7}
Skittering Invasion
Kindred Sorcery - Eldrazi
Create five 0/1 colorless Eldrazi Spawn creature tokens. They have "Sacrifice this creature: Add {C}."
{4}
Snake Basket
Artifact
{X}, Sacrifice Snake Basket: Create X 1/1 green Snake creature tokens. Activate only as a sorcery.
--
Spawning Bed
Land
{T}: Add {C}.
{6}, {T}, Sacrifice Spawning Bed: Create three 1/1 colorless Eldrazi Scion creature tokens. They have "Sacrifice this creature: Add {C}."
{2}
Spawning Pit
Artifact
Sacrifice a creature: Put a charge counter on Spawning Pit.
{1}, Remove two charge counters from Spawning Pit: Create a 2/2 colorless Spawn artifact creature token.
--
Temple of the False God
Land
{T}: Add {C}{C}. Activate only if you control five or more lands.
{X}{R}
Tempt with Vengeance
Sorcery
Tempting offer -- Create X 1/1 red Elemental creature tokens with haste. Each opponent may create X 1/1 red Elemental creature tokens with haste. For each opponent who does, create X 1/1 red Elemental creature tokens with haste.
{4}{R}{R}{R}
Thieves' Auction
Sorcery
Exile all nontoken permanents. Starting with you, each player chooses one of the exiled cards and puts it onto the battlefield tapped under their control. Repeat this process until all cards exiled this way have been chosen.
{4}
Ur-Golem's Eye
Artifact
{T}: Add {C}{C}.
{6}{R}{R}
Utvara Hellkite
Creature - Dragon
Flying
Whenever a Dragon you control attacks, create a 6/6 red Dragon creature token with flying.
6 /
6
{R}
Warbreak Trumpeter
Creature - Goblin
Morph {X}{X}{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 Warbreak Trumpeter is turned face up, create X 1/1 red Goblin creature tokens.
1 /
1
{5}{R}
Warstorm Surge
Enchantment
Whenever a creature you control enters, it deals damage equal to its power to any target.
{1}
Wayfarer's Bauble
Artifact
{2}, {T}, Sacrifice Wayfarer's Bauble: Search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.
{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.