Anax's power is equal to your devotion to red. (Each {R} in the mana costs of permanents you control counts toward your devotion to red.)

Whenever Anax or another nontoken creature you control dies, create a 1/1 red Satyr creature token with "This creature can't block." If the creature had power 4 or greater, create two of those tokens instead.

Indestructible

Whenever Brash Taunter is dealt damage, it deals that much damage to target opponent.

{2}{R}, {T}: Brash Taunter fights another target creature.

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.

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.

Destroy target land. Its controller may search their library for a basic land card, put it onto the battlefield tapped, then shuffle.

Draw a card.

Vigilance (Attacking doesn't cause this creature to tap.)

As Diamond Knight enters the battlefield, choose a color.

Whenever you cast a spell of the chosen color, put a +1/+1 counter on Diamond Knight.

Whenever you cast your first instant or sorcery spell each turn, copy that spell. You may choose new targets for the copy.

When you cast your next instant or sorcery spell this turn, copy that spell. You may choose new targets for the copy.

Flash

This spell costs {1} less to cast for each attacking creature you control.

When Embercleave enters the battlefield, attach it to target creature you control.

Equipped creature gets +1/+1 and has double strike and trample.

Equip {3}

Creatures with power greater than the number of cards in your hand can't attack.

Whenever Etali, Primal Storm attacks, exile the top card of each player's library, then you may cast any number of spells from among those cards without paying their mana costs.

As an additional cost to cast this spell, you may tap any number of untapped creatures you control. This spell costs {1} less to cast for each creature tapped this way.

Explosive Singularity deals 10 damage to any target.

Draw two cards, then discard two cards.

Flashback {2}{R} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Damage can't be prevented this turn. Fear, Fire, Foes! deals X damage to target creature and 1 damage to each other creature with the same controller.

Haste

Feldon, Ronom Excavator can't block.

Whenever Feldon is dealt damage, exile that many cards from the top of your library. Choose one of them. Until the end of your next turn, you may play that card.

If a source you control would deal damage to a permanent or player, it deals triple that damage to that permanent or player instead.

When Fiery Inscription enters the battlefield, the Ring tempts you.

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

This spell costs {1} more to cast for each target beyond the first.

Fireball deals X damage divided evenly, rounded down, among any number of targets.

Whenever Frenzied Goblin attacks, you may pay {R}. If you do, target creature can't block this turn.

Destroy target land. Its controller may search their library for a basic land card, put it onto the battlefield, then shuffle.

Draw a card.

{T}: Add {R}. Put a stash counter on Glittering Stockpile.

{T}, Sacrifice Glittering Stockpile: Add X mana of any one color, where X is the number of stash counters on Glittering Stockpile.

Menace

When Goblin Dark-Dwellers enters the battlefield, you may cast target instant or sorcery card with mana value 3 or less from your graveyard without paying its mana cost. If that spell would be put into your graveyard, exile it instead.

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.

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.

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

Goblins you control have haste.

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

As Heraldic Banner enters the battlefield, choose a color.

Creatures you control of the chosen color get +1/+0.

{T}: Add one mana of the chosen color.

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.

Whenever two or more creatures you control attack a player, look at the top five cards of your library. You may reveal a creature card from among them and put it into your hand. Put the rest on the bottom of your library in a random order.

Whenever a creature enters the battlefield under your control, Impact Tremors deals 1 damage to each opponent.

When Impulsive Pilferer dies, create a Treasure token. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.")

Encore {3}{R} ({3}{R}, Exile this card from your graveyard: For each opponent, create a token copy that attacks that opponent this turn if able. They gain haste. Sacrifice them at the beginning of the next end step. Activate only as a sorcery.)

Untap all creatures and gain control of them until end of turn. They gain haste until end of turn.

If another red source you control would deal damage to a permanent or player, it deals that much damage plus 1 to that permanent or player instead.

-2: Jaya, Venerated Firemage deals 2 damage to any target.

{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.

Lightning Bolt deals 3 damage to any target.

{1}, Sacrifice an artifact or creature: Makeshift Munitions deals 1 damage to any target.

If a red or artifact source you control would deal damage to an opponent or a permanent an opponent controls, it deals that much damage plus 1 instead.

Flash

Indestructible

When Mithril Coat enters the battlefield, attach it to target legendary creature you control.

Equipped creature has indestructible.

Equip {3}

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

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.

Nyx Lotus enters the battlefield tapped.

{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.)

Whenever Pashalik Mons or another Goblin you control dies, Pashalik Mons deals 1 damage to any target.

{3}{R}, Sacrifice a Goblin: Create two 1/1 red Goblin creature tokens.

Indestructible

As long as your devotion to red is less than five, Purphoros isn't a creature.

Other creatures you control have haste.

{2}{R}: You may put a red creature card or an artifact creature card from your hand onto the battlefield. Sacrifice it at the beginning of the next end step.

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.

Add {R}{R}{R}.

Kicker {5} (You may pay an additional {5} as you cast this spell.)

Roil Eruption deals 3 damage to any target. If this spell was kicked, it deals 5 damage instead.

At the beginning of each player's upkeep, Roiling Vortex deals 1 damage to them.

Whenever a player casts a spell, if no mana was spent to cast that spell, Roiling Vortex deals 5 damage to that player.

{R}: Your opponents can't gain life this turn.

Menace

When Ruin Grinder dies, each player may discard their hand and draw seven cards.

Mountaincycling {2} ({2}, Discard this card: Search your library for a Mountain card, reveal it, put it into your hand, then shuffle.)

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.

First strike, trample

Whenever Sardian Avenger attacks, it gets +X/+0 until end of turn, where X is the number of artifacts your opponents control.

Whenever an artifact an opponent controls is put into a graveyard from the battlefield, Sardian Avenger deals 1 damage to that player.

Destroy target land. Up to two target creatures can't block this turn.

Shock deals 2 damage to any target.

Equipped creature gets +1/-1.

Whenever equipped creature dies, draw two cards.

Equip {1}

You may cast Squee, the Immortal from your graveyard or from exile.

Equipped creature gets +1/+1 and has haste.

At the beginning of each combat, untap equipped creature.

Equipped creature has first strike as long as it's blocking or blocked by a Goblin or Orc.

Equip {2}

At the beginning of each player's upkeep, Sulfuric Vortex deals 2 damage to that player.

If a player would gain life, that player gains no life instead.

Equipped creature gets +2/+2 and has protection from red and from green.

Whenever equipped creature deals combat damage to a player, exile the top two cards of your library. You may play those cards this turn. You may play an additional land this turn.

Equip {2}

As an additional cost to cast this spell, discard a card.

Draw two cards.

Thundering Rebuke deals 4 damage to target creature or planeswalker.

If a red source you control would deal damage to an opponent or a permanent an opponent controls, it deals that much damage plus 2 instead.

Whenever an opponent taps an artifact for mana, gain control of that artifact until the end of your next turn.

Turn to Slag deals 5 damage to target creature. Destroy all Equipment attached to that creature.

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.

Landfall -- Whenever a land enters the battlefield under your control, exile the top card of your library. You may play that card for as long as it remains exiled.

At the beginning of your end step, if there are cards exiled with Valakut Exploration, put them into their owner's graveyard, then Valakut Exploration deals that much damage to each opponent.

Volcanic Geyser deals X damage to any target.

Exile the top two cards of your library. Until the end of your next turn, you may play those cards.