({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.

{T}: Add {C}. {2}, {T}, Sacrifice this land: Destroy target nonbasic land an opponent controls. Each player searches their library for a basic land card, puts it onto the battlefield, then shuffles.

({T}: Add {R}.)

This land enters tapped. {T}: Add {C}. {2}, {T}, Sacrifice this land: Search your library for up to two basic land cards that share a land type, put them onto the battlefield tapped, then shuffle.

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

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

Creatures you control get +1/+1 and have flying and indestructible. At the beginning of your upkeep, sacrifice a creature. If you can't, sacrifice this artifact.

Imprint — When this artifact enters, you may exile an instant card with mana value 2 or less from your hand. {2}, {T}: You may copy the exiled card. If you do, you may cast the copy without paying its mana cost.

{R}, Sacrifice this artifact: It deals 2 damage to any target. {1}, Sacrifice this artifact: Draw a card.

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

{2}, {T}: Copy target triggered ability you control. You may choose new targets for the copy. (A triggered ability uses the words "when," "whenever," or "at.")

When this creature enters, create two 1/1 red Goblin creature tokens.

{3}, Sacrifice this creature: Search your library for up to two basic land cards, put them onto the battlefield tapped, then shuffle.

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

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.

{T}: Add {C}.

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.)

Whenever you cast a red spell, if this creature has fewer than three +1/+1 counters on it, put a +1/+1 counter on this creature. Remove three +1/+1 counters from this creature: Add {R}{R}{R}.

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.

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

Target creature you control deals damage equal to its power to each other creature and each opponent.

Create two 1/1 red Goblin creature tokens.

Create two 1/1 red Goblin creature tokens. Storm (When you cast this spell, copy it for each spell cast before it this turn.)

Flip a coin until you lose a flip or choose to stop flipping. If you lose a flip, Fiery Gambit has no effect. If you win one or more flips, Fiery Gambit deals 3 damage to target creature. If you win two or more flips, Fiery Gambit deals 6 damage to each opponent. If you win three or more flips, draw nine cards and untap all lands you control.

Create a token that's a copy of target creature, except it has haste and "At the beginning of the end step, exile this token."

Create three 1/1 red Goblin creature tokens.

Add {R} for each card in your hand.

Create two 1/1 red Goblin creature tokens.

As an additional cost to cast this spell, sacrifice an artifact. Create three 1/1 red Goblin creature tokens.

Add {R} for each tapped land your opponents control.

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.

Each instant and sorcery card in your graveyard gains flashback until end of turn. The flashback cost is equal to its mana cost. Flashback {4}{R} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

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.)

Choose target creature. Exile the top card of your library. You may have Spark of Creativity deal damage to that creature equal to the exiled card's mana value. If you don't, you may play that card until end of turn.

Whenever you cast a noncreature spell, you may pay {1}. If you do, create a 1/1 red Goblin creature token with haste.

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

Add {R} for each creature you control.

Target creature attacks this turn if able. Draw a card.

Add {R} for each Goblin on the battlefield.

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

Target creature gets +3/+1 and gains trample until end of turn. (It can deal excess combat damage to the player or planeswalker it's attacking.)

Target attacking creature gets +3/+3 until end of turn. If it's an artifact creature, it gains trample until end of turn.

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.

Target creature becomes red and gains haste until end of turn. (It can attack and {T} this turn.) Draw a card.

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.)

You may sacrifice a Mountain rather than pay this spell's mana cost. Target creature gets +X/+0 until end of turn, where X is the number of Mountains you control.

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.)

Choose one — • Target creature gets +4/+0 and gains trample until end of turn. • Two target creatures each get +2/+0 and gain trample until end of turn.

Target creature gets +1/+0 until end of turn. When that creature dies this turn, create a 3/2 colorless Eldrazi Horror creature token.

Cast this spell only during combat before blockers are declared. Target creature can't block this turn. Draw a card at the beginning of the next turn's upkeep.

Target creature gets +2/+1 and gains trample until end of turn.

Target creature gets +2/+1 and gains haste until end of turn. Scry 1.

Add {R}{R}{R}{R}{R}.

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

Target creature gets +3/+1 until end of turn. Scry 1. (Look at the top card of your library. You may put that card on the bottom.)