If you control two or more other lands, Den of the Bugbear enters the battlefield tapped. {T}: Add {R}. {3}{R}: Until end of turn, Den of the Bugbear becomes a 3/2 red Goblin creature with "Whenever this creature attacks, create a 1/1 red Goblin creature token that's tapped and attacking." It's still a land.

Haste (This creature can attack and {T} as soon as it comes under your control.) Other Goblin creatures you control get +1/+1 and have haste.

Sacrifice a Goblin: Regenerate target creature.

Other Goblins get +1/+1 and have mountainwalk.

Other Goblin creatures you control get +1/+1. {T}: Regenerate another target Goblin.

Whenever a creature you control attacks, it gets +1/+0 until end of turn for each other attacking creature that shares a creature type with it.

Whenever another Goblin you control is put into a graveyard from the battlefield, you may have Boggart Shenanigans deal 1 damage to target player or planeswalker.

Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for {1} or one mana of that creature's color.) If a source you control would deal damage to a permanent or player, it deals triple that damage instead.

Goblin War Strike deals damage to target player or planeswalker equal to the number of Goblins you control.

Haste {T}: Create a token that's a copy of target nonlegendary creature you control, except it has haste. Sacrifice it at the beginning of the next end step.

Whenever a creature enters the battlefield under your control this turn, put a +1/+1 counter on it and it gains haste until end of turn. Learn. (You may reveal a Lesson card you own from outside the game and put it into your hand, or discard a card to draw a card.)

At the beginning of your end step, if you descended this turn, create a Treasure token. (You descended if a permanent card was put into your graveyard from anywhere.)

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.

Whenever one or more creatures you control deal combat damage to a player, you may sacrifice one of them. If you do, reveal cards from the top of your library until you reveal a creature card that shares a creature type with the sacrificed creature. Put that card onto the battlefield and the rest on the bottom of your library in a random order.

When Muxus, Goblin Grandee enters the battlefield, reveal the top six cards of your library. Put all Goblin creature cards with mana value 5 or less from among them onto the battlefield and the rest on the bottom of your library in a random order. Whenever Muxus attacks, it gets +1/+1 until end of turn for each other Goblin you control.

Other Goblins you control get +1/+1. Whenever Rundvelt Hordemaster or another Goblin you control dies, exile the top card of your library. If it's a Goblin creature card, you may cast that card until the end of your next turn.

Equipped creature gets +1/-1. Whenever equipped creature dies, draw two cards. Equip {1}

As Auntie's Hovel enters the battlefield, you may reveal a Goblin card from your hand. If you don't, Auntie's Hovel enters the battlefield tapped. {T}: Add {B} or {R}.

Bojuka Bog enters the battlefield tapped. When Bojuka Bog enters the battlefield, exile target player's graveyard. {T}: Add {B}.

Castle Embereth enters the battlefield tapped unless you control a Mountain. {T}: Add {R}. {1}{R}{R}, {T}: Creatures you control get +1/+0 until end of turn.

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

Dragonskull Summit enters the battlefield tapped unless you control a Swamp or a Mountain. {T}: Add {B} or {R}.

As Foreboding Ruins enters the battlefield, you may reveal a Swamp or Mountain card from your hand. If you don't, Foreboding Ruins enters the battlefield tapped. {T}: Add {B} or {R}.

Mines of Moria enters the battlefield tapped unless you control a legendary creature. {T}: Add {R}. {3}{R}, {T}, Exile three cards from your graveyard: Create two Treasure tokens.

({T}: Add {R}.)

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.

Path of Ancestry enters the battlefield tapped. {T}: Add one mana of any color in your commander's color identity. When that mana is spent to cast a creature spell that shares a creature type with your commander, scry 1. (Look at the top card of your library. You may put that card on the bottom.)

Rakdos Carnarium enters the battlefield tapped. When Rakdos Carnarium enters the battlefield, return a land you control to its owner's hand. {T}: Add {B}{R}.

{T}: Add {C}. {4}, {T}: Target creature can't be blocked this turn.

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

({T}: Add {B} or {R}.) Smoldering Marsh enters the battlefield tapped unless you control two or more basic lands.

{T}: Add {C}. {T}: Add {B} or {R}. Sulfurous Springs deals 1 damage to you.

({T}: Add {B}.)

{T}: Add {C}. {T}: Add {B} or {R}. Activate only if you control a Swamp.

Changeling (This card is every creature type.) Haste Champion a creature (When this enters the battlefield, sacrifice it unless you exile another creature you control. When this leaves the battlefield, that card returns to the battlefield.)

Sacrifice a creature: Add {C}{C}.

Add {R} for each creature you control.

Add {R} for each Goblin on the battlefield.

Add {B}{B}{B}.

Add {R}{R}{R}. Splice onto Arcane {1}{R} (As you cast an Arcane spell, you may reveal this card from your hand and pay its splice cost. If you do, add this card's effects to that spell.)

When Dockside Extortionist enters the battlefield, create X Treasure tokens, where X is the number of artifacts and enchantments your opponents control. (Treasure tokens are artifacts with "{T}, Sacrifice this artifact: Add one mana of any color.")

Haste Goblin spells and Rogue spells you cast cost {1} less to cast.

Whenever Goblin Lackey deals damage to a player, you may put a Goblin permanent card from your hand onto the battlefield.

Goblin spells you cast cost {1} less to cast. Goblins you control have haste.

As Herald's Horn enters the battlefield, choose a creature type. Creature spells you cast of the chosen type cost {1} less to cast. At the beginning of your upkeep, look at the top card of your library. If it's a creature card of the chosen type, you may reveal it and put it into your hand.

{T}: Add {R}.

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.

{T}: Add {C}. {T}: Target nonland permanent becomes an artifact in addition to its other types until end of turn.

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

Sacrifice a Goblin: Add {R}.

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

{T}: Add {C}. {T}: Add {B} or {R}. Talisman of Indulgence deals 1 damage to you.

{1}{R}, Sacrifice Vessel of Volatility: Add {R}{R}{R}{R}.

As an additional cost to cast this spell, sacrifice a Goblin. Goblin Grenade deals 5 damage to any target.

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.

Other Goblins you control get +1/+1. {R}, {T}: Hobgoblin Bandit Lord deals damage equal to the number of Goblins that entered the battlefield under your control this turn to any target.

Choose a creature type. Destroy all creatures that aren't of the chosen type.

Champion a Goblin or Shaman (When this enters the battlefield, sacrifice it unless you exile another Goblin or Shaman you control. When this leaves the battlefield, that card returns to the battlefield.) {T}: Lightning Crafter deals 3 damage to any target.

Flash When Munitions Expert enters the battlefield, you may have it deal damage to target creature or planeswalker equal to the number of Goblins you control.

Champion a Goblin (When this enters the battlefield, sacrifice it unless you exile another Goblin you control. When this leaves the battlefield, that card returns to the battlefield.) Whenever a Goblin you control deals combat damage to a player, you may create a 1/1 black Goblin Rogue creature token.

When Goblin Instigator enters the battlefield, create a 1/1 red Goblin creature token.

Choose a creature type. For each creature you control of the chosen type, create a token that's a copy of that creature. Those tokens gain haste. Exile them at the beginning of the next end step.

{T}: Create X 1/1 red Goblin creature tokens, where X is the number of Goblins you control.

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.

When Boggart Harbinger enters the battlefield, you may search your library for a Goblin card, reveal it, then shuffle and put that card on top.

Search your library for a card, put that card into your hand, discard a card at random, then shuffle.

When Goblin Matron enters the battlefield, you may search your library for a Goblin card, reveal that card, put it into your hand, then shuffle.

When Goblin Recruiter enters the battlefield, search your library for any number of Goblin cards, reveal them, then shuffle and put those cards on top in any order.

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.

{3}, {T}: Search your library for a Goblin permanent card, put it onto the battlefield, then shuffle.

Equipped creature has "{2}, {T}: This creature deals 1 damage to any target" and "Whenever a creature dies, untap this creature." Whenever a Shaman creature enters the battlefield, you may attach Thornbite Staff to it. Equip {4}

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

Equipped creature has deathtouch and lifelink. Equip {2}

When Beetleback Chief enters the battlefield, create two 1/1 red Goblin creature tokens.

This spell costs {3} less to cast if you control a creature with power 4 or greater. Change the target of target spell or ability with a single target.

Whenever an attacking creature you control dies, Brazen Cannonade deals 2 damage to each opponent. Raid — At the beginning of your postcombat main phase, if you attacked with a creature this turn, exile the top card of your library. Until end of combat on your next turn, you may play that card.

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.

Cycling {1}{R} ({1}{R}, Discard this card: Draw a card.) When you cycle Gempalm Incinerator, you may have it deal X damage to target creature, where X is the number of Goblins on the battlefield.

Protection from blue (This creature can't be blocked, targeted, dealt damage, or enchanted by anything blue.) Whenever Goblin Piledriver attacks, it gets +2/+0 until end of turn for each other attacking Goblin.

Whenever a Goblin you control is put into a graveyard from the battlefield, you may put a +1/+1 counter on Knucklebone Witch.

Mentor (Whenever this creature attacks, put a +1/+1 counter on target attacking creature with lesser power.) At the beginning of combat on your turn, create a 1/1 red Goblin creature token. That token gains haste until end of turn and attacks this combat if able.

Massive Raid deals damage to any target equal to the number of creatures you control.

Mob Justice deals damage to target player or planeswalker equal to the number of creatures you control.

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.

Whenever a Goblin enters the battlefield under your control, you may put a quest counter on Quest for the Goblin Lord. As long as Quest for the Goblin Lord has five or more quest counters on it, creatures you control get +2/+0.

When Siege-Gang Commander enters the battlefield, create three 1/1 red Goblin creature tokens. {1}{R}, Sacrifice a Goblin: Siege-Gang Commander deals 2 damage to any target.

As Species Specialist enters the battlefield, choose a creature type. Whenever a creature of the chosen type dies, you may draw a card.

Menace At the beginning of your end step, if you descended this turn, put a +1/+1 counter on Stalactite Stalker. (You descended if a permanent card was put into your graveyard from anywhere.) {2}{B}, Sacrifice Stalactite Stalker: Target creature gets -X/-X until end of turn, where X is Stalactite Stalker's power.