This land enters tapped unless you control a Mountain. {T}: Add {R}. {R}, {T}, Exert this land: Add {R}{R}. If that mana is spent on a creature spell, it gains haste until end of turn. (An exerted permanent won't untap during your next untap step.)

As this land enters, choose a creature type. {T}: Add {C}. {T}: Add one mana of any color. Spend this mana only to cast a creature spell of the chosen type, and that spell can't be countered.

If you control two or more other lands, this land enters tapped. {T}: Add {R}. {3}{R}: Until end of turn, this land 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.

This land enters tapped. {T}: Add {R}. Cycling {1}{R} ({1}{R}, Discard this card: Draw a card.)

({T}: Add {R}.) This land enters tapped unless you control three or more other Mountains. When this land enters untapped, create a 1/1 red Dwarf creature token.

This land enters tapped. {T}: Add {R}. Cycling {R} ({R}, Discard this card: Draw a card.)

{T}: Add {R}.

Mines of Moria enters 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}.)

{T}: Add {C}. {2}, {T}: Choose a color. Add an amount of mana of that color equal to your devotion to that color. (Your devotion to a color is the number of mana symbols of that color in the mana costs of permanents you control.)

This land enters 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.)

You have no maximum hand size. {T}: Add {C}.

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

{T}: Add one mana of any color in your commander's color identity. Sacrifice this artifact: Draw a card.

You have no maximum hand size. {T}: Add one mana of any color.

{T}: Add one mana of any color that a land an opponent controls could produce.

This artifact enters tapped. {T}: Add {R}.

{T}: Add {R}. Put a stash counter on this artifact. {T}, Sacrifice this artifact: Add X mana of any one color, where X is the number of stash counters on this artifact.

As this artifact enters, choose a color. Creatures you control of the chosen color get +1/+0. {T}: Add one mana of the chosen color.

Flash Indestructible When Mithril Coat enters, attach it to target legendary creature you control. Equipped creature has indestructible. Equip {3}

{T}: Add {R}. When that mana is spent to cast a red instant or sorcery spell, copy that spell and you may choose new targets for the copy.

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

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

Target creature gains double strike until end of turn. (It deals both first-strike and regular combat damage.)

This spell costs {1} less to cast for each creature on the battlefield. Blasphemous Act deals 13 damage to each creature.

Chain Reaction deals X damage to each creature, where X is the number of creatures on the battlefield.

Gain control of target creature until end of turn. Untap that creature. It gains haste until end of turn. Create a Treasure token. (It's an artifact with "{T}, Sacrifice this token: Add one mana of any color.")

Put a +1/+1 counter on target creature. That creature gains haste until end of turn and can't be blocked by Walls this turn. Venture into the dungeon. (Enter the first room or advance to the next room.)

Target creature gets +3/+0 and gains haste until end of turn. Flashback {2}{R} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Target creature can't block this turn. Draw a card.

Target creature gets +5/+0 and gains haste until end of turn.

Untap target creature. After this main phase, there is an additional combat phase followed by an additional main phase. Flashback {2}{R} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Gain control of target creature until end of turn. Untap that creature. It gains haste until end of turn. Add two mana of any one color. (The creature can attack and {T} this turn.)

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.

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.

When this creature enters, create a 1/1 red Goblin creature token.

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

Whenever you cast an instant or sorcery spell, this creature deals 2 damage to each opponent.

{T}: Add {R}.

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

Whenever Krenko attacks, put a +1/+1 counter on it, then create a number of 1/1 red Goblin creature tokens equal to Krenko's power.

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 this creature enters or dies, create a 1/1 red Goblin creature token.

First strike, menace, trample Partner (You can have two commanders if both have partner.)

Raid — At the beginning of your end step, if you attacked this turn, create a 1/1 red Goblin creature token.

When this creature enters, create three 1/1 red Goblin creature tokens. {1}{R}, Sacrifice a Goblin: This creature deals 2 damage to any target.

This creature gets +1/+0 for each artifact you control. Magecraft — Whenever you cast or copy an instant or sorcery spell, create a Treasure token.

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 this enchantment. You may cast any number of the copies without paying their mana costs.

When this enchantment enters, the Ring tempts you. Whenever you cast an instant or sorcery spell, this enchantment deals 2 damage to each opponent.

Whenever a creature you control enters, this enchantment deals 1 damage to each opponent.

Choose one — • Abrade deals 3 damage to target creature. • Destroy target artifact.

Target creature gets +2/+0 and gains first strike until end of turn. Create a Treasure token. (It's an artifact with "{T}, Sacrifice this token: Add one mana of any color.")

Target creature gets +4/+3 until end of turn.

Add {R} for each creature you control.

Target creature gets +1/+0 and gains first strike until end of turn. Scry 1. (Look at the top card of your library. You may put that card on the bottom.)

Until end of turn, target attacking creature gets +2/+2 and gains trample and "Whenever this creature deals combat damage to a player, destroy target artifact that player controls."

Target creature gains haste until end of turn. Draw a card.

Draw a card. Until end of turn, target creature gains trample and gets +1/+0 for each card you've drawn this turn. (A creature with trample can deal excess combat damage to the player or planeswalker it's attacking.)

Lightning Bolt deals 3 damage to any target.

Target creature you control gets +X/+0 and gains first strike and trample until end of turn.

Target creature you control gets +1/+0 until end of turn. Then it deals damage equal to its power to target creature you don't control.

Target creature gets +3/+1 until end of turn. If it's your turn, that creature gains trample until end of turn. Otherwise, it gains first strike until end of turn. (A creature with trample can deal excess combat damage to the player or planeswalker it's attacking. A creature with first strike deals combat damage before creatures without first strike.)

Target creature can't block this turn. Draw a card.

Target creature gets +2/+0 and gains first strike until end of turn. Create a Treasure token. (It's an artifact with "{T}, Sacrifice this token: Add one mana of any color.")

Target creature gets +3/+0 until end of turn. When it dies this turn, manifest dread. (Look at the top two cards of your library. Put one onto the battlefield face down as a 2/2 creature and the other into your graveyard. Turn it face up any time for its mana cost if it's a creature card.)

Choose one — • When you cast your next instant or sorcery spell this turn, copy that spell. You may choose new targets for the copy. • Target creature you control gains double strike until end of turn. (It deals both first-strike and regular combat damage.)

Double the power of target creature until end of turn.

Choose one — • Destroy target artifact. • Change the target of target spell or ability with a single target. • One or two target creatures can't block this turn.