If Balduvian Trading Post would enter the battlefield, sacrifice an untapped Mountain instead. If you do, put Balduvian Trading Post onto the battlefield. If you don't, put it into its owner's graveyard.

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

{1}, {T}: Balduvian Trading Post deals 1 damage to target attacking creature.

Attacking creatures you control have double strike.

Equipped creature gets +2/+0.

Whenever equipped creature deals combat damage to a player, create a token that's a copy of Bloodforged Battle-Axe.

Equip {2}

Changeling (This card is every creature type.)

As Bloodline Pretender enters the battlefield, choose a creature type.

Whenever another creature of the chosen type enters the battlefield under your control, put a +1/+1 counter on Bloodline Pretender.

Each noncreature, non-Equipment artifact is an Equipment with equip {X} and "Equipped creature gets +X/+0," where X is that artifact's mana value.

Equipped creature gets +1/+0 and has haste.

Equip {1} ({1}: Attach to target creature you control. Equip only as a sorcery.)

When you cast this spell, copy it. (The copy becomes a token.)

Equipped creature has double strike as long as two or more Equipment are attached to it.

Equip {1} ({1}: Attach to target creature you control. Equip only as a sorcery.)

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.

Choose one --

• Cathartic Pyre deals 3 damage to target creature or planeswalker.

• Discard up to two cards, then draw that many cards.

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.

Equipped creature gets +3/+3 and has protection from each color that's not in your commander's color identity.

Equip commander {3}

Equip {5}

+2: Discard up to two cards, then draw that many cards.

-2: Sacrifice an artifact. If you do, return target artifact card from your graveyard to the battlefield.

-10: You get an emblem with "Whenever an artifact is put into your graveyard from the battlefield, return that card to the battlefield at the beginning of the next end step."

Daretti, Scrap Savant can be your commander.

{1}, Sacrifice a creature: Exile the top card of your library. You may play that card this turn. (You still pay its costs. You can play a land this way only if you have an available land play remaining.)

Indestructible

Equipped creature has indestructible.

Equip {2}

Destroy any number of target creatures. For each creature destroyed this way, its controller creates a 4/4 red Dragon creature token with flying.

Dormant Volcano enters the battlefield tapped.

When Dormant Volcano enters the battlefield, sacrifice it unless you return an untapped Mountain you control to its owner's hand.

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

Enchant creature

When Dragon Mantle enters the battlefield, draw a card.

Enchanted creature has "{R}: This creature gets +1/+0 until end of turn."

Dwarven Hold enters the battlefield tapped.

You may choose not to untap Dwarven Hold during your untap step.

At the beginning of your upkeep, if Dwarven Hold is tapped, put a storage counter on it.

{T}, Remove any number of storage counters from Dwarven Hold: Add {R} for each storage counter removed this way.

{T}, Sacrifice Evolving Wilds: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

Target creature gains haste until end of turn.

Draw a 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.

Fire Diamond enters the battlefield tapped.

{T}: Add {R}.

Draw a card. Until end of turn, target creature gains trample and gets +1/+0 for each card you've drawn this turn.

As Gauntlet of Power enters the battlefield, choose a color.

Creatures of the chosen color get +1/+1.

Whenever a basic land is tapped for mana of the chosen color, its controller adds an additional one mana of that color.

When Godo, Bandit Warlord enters the battlefield, you may search your library for an Equipment card, put it onto the battlefield, then shuffle.

Whenever Godo attacks for the first time each turn, untap it and all Samurai you control. After this phase, there is an additional combat phase.

Whenever you attack, you may sacrifice another creature or an artifact. If you do, create a 4/1 black Skeleton creature token with menace that's tapped and attacking. (It can't be blocked except by two or more creatures.)

Choose a Background (You can have a Background as a second commander.)

Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.)

If an ability of a Shaman or another Wizard you control triggers, that ability triggers an additional time.

At the beginning of combat on your turn, create a token that's a copy of equipped creature, except the token isn't legendary. That token gains haste.

Equip {5}

Destroy X target artifacts and/or creatures. For each permanent destroyed this way, its controller reveals cards from the top of their library until an artifact or creature card is revealed and exiles that card. Those players put the exiled cards onto the battlefield, then shuffle.

Nonartifact spells you cast have improvise. (Your artifacts can help cast those spells. Each artifact you tap after you're done activating mana abilities pays for {1}.)

Imprint -- When Isochron Scepter enters the battlefield, 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.

+1: Create a 1/1 red Monk creature token with prowess.

-1: Exile the top two cards of your library. Choose one of them. You may play that card this turn.

-2: Choose target creature an opponent controls. Whenever you attack this turn, Jaya, Fiery Negotiator deals damage equal to the number of attacking creatures to that creature.

-8: You get an emblem with "Whenever you cast a red instant or sorcery spell, copy it twice. You may choose new targets for the copies."

Whenever you attack, if it's the first combat phase of the turn, untap all attacking creatures. They gain first strike until end of turn. After this phase, there is an additional combat phase.

Choose a Background (You can have a Background as a second commander.)

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.

+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.'"

Equipped creature has haste and shroud. (It can't be the target of spells or abilities.)

Equip {0}

{2}, {T}: Copy target activated or triggered ability you control. You may choose new targets for the copy.

{3}, {T}: Copy target instant or sorcery spell you control. You may choose new targets for the copy.

{4}, {T}: Copy target permanent spell you control. (The copy becomes a token.)

As long as there are four or more instant and/or sorcery cards in your graveyard, Magmatic Channeler gets +3/+1.

{T}, Discard a card: Exile the top two cards of your library, then choose one of them. You may play that card this turn.

Whenever equipped creature deals combat damage to a player, you may draw two cards. If you do, discard a card.

Equip {1} ({1}: Attach to target creature you control. Equip only as a sorcery.)

Memorial to War enters the battlefield tapped.

{T}: Add {R}.

{4}{R}, {T}, Sacrifice Memorial to War: Destroy target land.

Mercadian Bazaar enters the battlefield tapped.

{T}: Put a storage counter on Mercadian Bazaar.

{T}, Remove any number of storage counters from Mercadian Bazaar: Add {R} for each storage counter removed this way.

Each creature you control gets +1/+0 for each time it has attacked this turn.

Landfall -- Whenever a land enters the battlefield under your control, if it's your main phase, there's an additional combat phase after this phase. At the beginning of that combat, untap all creatures you control.

({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}.)

All permanents are artifacts in addition to their other types.

All cards that aren't on the battlefield, spells, and permanents are colorless.

Players may spend mana as though it were mana of any color.

Trample

Whenever Neheb, Dreadhorde Champion deals combat damage to a player or planeswalker, you may discard any number of cards. If you do, draw that many cards and add that much {R}. Until end of turn, you don't lose this mana as steps and phases end.

Afflict 3 (Whenever this creature becomes blocked, defending player loses 3 life.)

At the beginning of your postcombat main phase, add {R} for each 1 life your opponents have lost this turn.

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.)

Equipped creature has "{T}: Add one mana of any color."

Equip {1}

Sacrifice a creature: Add one mana of any color.

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 a creature is dealt damage, Repercussion deals that much damage to that creature's controller.

{T}: Add {C}.

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

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

Enchant permanent

When Rune of Speed enters the battlefield, draw a card.

As long as enchanted permanent is a creature, it gets +1/+0 and has haste.

As long as enchanted permanent is an Equipment, it has "Equipped creature gets +1/+0 and has haste."

Improvise (Each artifact you tap after you're done activating mana abilities pays for {1}.)

Reveal the top X cards of your library. You may put any number of artifact cards with mana value X or less from among them onto the battlefield. Then put all cards revealed this way that weren't put onto the battlefield into your graveyard.

Sandstone Needle enters the battlefield tapped with two depletion counters on it.

{T}, Remove a depletion counter from Sandstone Needle: Add {R}{R}. If there are no depletion counters on Sandstone Needle, sacrifice it.

Shatterskull Smashing deals X damage divided as you choose among up to two target creatures and/or planeswalkers. If X is 6 or more, Shatterskull Smashing deals twice X damage divided as you choose among them instead.

As Shatterskull, the Hammer Pass enters the battlefield, you may pay 3 life. If you don't, it enters the battlefield tapped.

{T}: Add {R}.

Equipped creature gets +1/-1.

Whenever equipped creature dies, draw two cards.

Equip {1}

Players can't untap more than one creature during their untap steps.

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

Hideaway 4 (When this land enters the battlefield, look at the top four cards of your library, exile one face down, then put the rest on the bottom in a random order.)

Spinerock Knoll enters the battlefield tapped.

{T}: Add {R}.

{R}, {T}: You may play the exiled card without paying its mana cost if an opponent was dealt 7 or more damage this turn.

Haste

Whenever another creature you control dies, it deals damage equal to its power to target player or planeswalker.

Enchant creature

Enchanted creature has menace and "Whenever this creature deals combat damage to a player, create a Treasure token." (It can't be blocked except by two or more creatures. The token is an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.")

When enchanted creature dies, draw a card.

{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.")

{1}, {T}: End the turn. Activate only during your turn. (Exile all spells and abilities from the stack. Discard down to your maximum hand size. Damage wears off, and "this turn" and "until end of turn" effects end.)

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

Whenever equipped creature deals combat damage to a player, you create a 2/2 green Wolf creature token and that player mills ten cards.

Equip {2}

Equipped creature gets +2/+2 and has protection from white and from blue.

Whenever equipped creature deals combat damage to a player, put a +1/+1 counter on a creature you control, then proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

Equip {2}

Equipped creature gets +1/+1.

Whenever equipped creature attacks, you may search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

Equip {2}

Equipped creature gets +1/+1. As long as it's legendary, it gets an additional +2/+2. As long as it's red, it has trample.

Equip {1} ({1}: Attach to target creature you control. Equip only as a sorcery.)

{T}, Sacrifice Terramorphic Expanse: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

Equipped creature gets +1/+1 and has trample and "Whenever this creature deals combat damage to a player or planeswalker, create that many Treasure tokens."

Equip {3}

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

Draw two cards.

At the beginning of your end step, each opponent loses life equal to the number of tapped creatures you control.

Landfall -- Whenever a land enters the battlefield under your control, create a colorless Equipment artifact token named Rock with "Equipped creature has '{1}, {T}, Sacrifice Rock: This creature deals 2 damage to any target'" and equip {1}.

Partner (You can have two commanders if both have partner.)

Dethrone (Whenever this creature attacks the player with the most life or tied for most life, put a +1/+1 counter on it.)

Pay 3 life: Add {R}.

At the beginning of combat on your turn, for each Aura and Equipment attached to Valduk, Keeper of the Flame, create a 3/1 red Elemental creature token with trample and haste. Exile those tokens at the beginning of the next end step.

Destroy target artifact you don't control.

Overload {4}{R} (You may cast this spell for its overload cost. If you do, change "target" in its text to "each.")

Haste

When Vulshok Battlemaster enters the battlefield, attach all Equipment on the battlefield to it. (Control of the Equipment doesn't change.)

{T}: Add {C}.

{3}, {T}, Pay life equal to the number of colors in your commanders' color identity: Draw a card.

Equipped creature has flying.

Whenever equipped creature deals combat damage to a player, draw a card, then discard a card.

Equip {2} ({2}: Attach to target creature you control. Equip only as a sorcery.)