Exile target nonland permanent. Its controller creates a Treasure token. (It's an artifact with ", Sacrifice this artifact: Add one mana of any color.")

As Caged Sun enters, 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.

: Add .

, : Put a storage counter on Calciform Pools.

, Remove X storage counters from Calciform Pools: Add X mana in any combination of and/or .

Haste

Whenever Captain Lannery Storm attacks, create a Treasure token. (It's an artifact with ", Sacrifice this artifact: Add one mana of any color.")

Whenever you sacrifice a Treasure, Captain Lannery Storm gets +1/+0 until end of turn.

Whenever Careening Mine Cart attacks, create a Treasure token. (It's an artifact with ", Sacrifice this artifact: Add one mana of any color.")

Crew 1 (Tap any number of creatures you control with total power 1 or more: This Vehicle becomes an artifact creature until end of turn.)

At the beginning of each of your main phases, if you haven't added mana with this ability this turn, you may add X mana of any one color, where X is the number of Islands target opponent controls.

Castle Garenbrig enters tapped unless you control a Forest.

: Add .

, : Add six . Spend this mana only to cast creature spells or activate abilities of creatures.

Whenever Caustic Bronco attacks, reveal the top card of your library and put it into your hand. You lose life equal to that card's mana value if Caustic Bronco isn't saddled. Otherwise, each opponent loses that much life.

Saddle 3 (Tap any number of other creatures you control with total power 3 or more: This Mount becomes saddled until end of turn. Saddle only as a sorcery.)

As Cavern of Souls enters, choose a creature type.

: Add .

: 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.

When Centaur Nurturer enters, you gain 3 life.

: Add one mana of any color.

+1: Add . Chandra, Dressed to Kill deals 1 damage to up to one target player or planeswalker.

+1: Exile the top card of your library. If it's red, you may cast it this turn.

−7: Exile the top five cards of your library. You may cast red spells from among them this turn. You get an emblem with "Whenever you cast a red spell, this emblem deals X damage to any target, where X is the amount of mana spent to cast that spell."

: Add . Spend this mana only to cast an Elemental spell or a Chandra planeswalker spell.

When Channeler Initiate enters, put three -1/-1 counters on target creature you control.

, Remove a -1/-1 counter from Channeler Initiate: Add one mana of any color.

: Add one mana of any color.

, : Create X 1/1 white Soldier creature tokens, where X is the number of Bobbleheads you control. Activate only as a sorcery.

Forestwalk (This creature can't be blocked as long as defending player controls a Forest.)

As an additional cost to cast creature spells, you may pay any amount of mana. If you do, that creature enters with that many additional +1/+1 counters on it.

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

: Add .

, : Draw a card for each color among permanents you control.

, , Sacrifice Chromatic Star: Add one mana of any color.

When Chromatic Star is put into a graveyard from the battlefield, draw a card.

When Chronicler of Worship enters the battlefield, put a random Shrine card from among the top seven cards of your library into your hand. It perpetually gains "This spell costs less to cast." Then shuffle.

: Add one mana of any color.

, Tap an untapped artifact or creature you control: Add one mana of any color.

Whenever City of Brass becomes tapped, it deals 1 damage to you.

: Add one mana of any color.

Vigilance

Whenever Clement, the Worrywort or another creature you control enters, return up to one target creature you control with lesser mana value to its owner's hand.

Frogs you control have ": Add or . Spend this mana only to cast a creature spell."

: Add one mana of any color.

: Put a charge counter on Coalition Relic.

At the beginning of your first main phase, remove all charge counters from Coalition Relic. Add one mana of any color for each charge counter removed this way.

Commanders you control have ward .

: Add . Spend this mana only to cast Aura and/or Equipment spells.

: Attach target Aura or Equipment you control to target creature you control. Activate only as a sorcery.

, : Draw a card, then discard a card. Create a Treasure token. (It's an artifact with ", Sacrifice this artifact: Add one mana of any color.")

: Add one mana of any color in your commander's color identity.

At the beginning of your end step, put a loyalty counter on another target planeswalker you control.

+1: Create a 1/1 red Wizard creature token with ": Add . Spend this mana only to cast a planeswalker spell."

−3: You draw X cards and Commodore Guff deals X damage to each opponent, where X is the number of planeswalkers you control.

Commodore Guff can be your commander.

When Conduit Pylons enters, surveil 1. (Look at the top card of your library. You may put it into your graveyard.)

: Add .

, : Add one mana of any color.

: Add .

, : You get (three energy counters).

, Pay : Add three mana in any combination of colors.

: Add . ( represents colorless mana.)

, Pay 1 life: Add one mana of any color. Spend this mana only to cast a spell with devoid.

When this creature enters, create a Treasure token. (It's an artifact with ", Sacrifice this token: Add one mana of any color.")

Other Pirates you control get +1/+1.

When Coveted Jewel enters, draw three cards.

: Add three mana of any one color.

Whenever one or more creatures an opponent controls attack you and aren't blocked, that player draws three cards and gains control of Coveted Jewel. Untap it.

: Add an amount of equal to Cradle Clearcutter's power.

//PRT-Prototype_Mech//

Prototype (You may cast this spell with different mana cost, color, and size. It keeps its abilities and types.)

1/3

As an additional cost to cast this spell, you may collect evidence 6. (Exile cards with total mana value 6 or greater from your graveyard.)

Flying

When Crimestopper Sprite enters, tap target creature. If evidence was collected, put a stun counter on it. (If a permanent with a stun counter would become untapped, remove one from it instead.)

: Add .

, : Put a storage counter on Crucible of the Spirit Dragon.

, Remove X storage counters from Crucible of the Spirit Dragon: Add X mana in any combination of colors. Spend this mana only to cast Dragon spells or activate abilities of Dragons.

Extort (Whenever you cast a spell, you may pay . If you do, each opponent loses 1 life and you gain that much life.)

Whenever you tap a Swamp for mana, add an additional .

As you create your deck, circle two of the colors below.

Cryptic Spires enters tapped.

: Add one mana of either of the circled colors.

Cryptolith Fragment enters tapped.

: Add one mana of any color. Each player loses 1 life.

At the beginning of your upkeep, if each player has 10 or less life, transform Cryptolith Fragment.

When Crystal Grotto enters, scry 1.

: Add .

, : Add one mana of any color.

Destroy each nonland permanent with mana value 2 or less. Add or for each permanent destroyed this way.

: Add one mana of any color.

Crew 3 (Tap any number of creatures you control with total power 3 or more: This Vehicle becomes an artifact creature until end of turn.)

: Add . Spend this mana only to cast an instant or sorcery spell.

At the beginning of your upkeep, if there are three or more instant and/or sorcery cards in your graveyard, transform Curious Homunculus.

: Add . Spend this mana only to cast artifact spells or activate abilities of artifacts.

Equipped creatures you control have flying and haste.

Offspring (You may pay an additional as you cast this spell. If you do, when this creature enters, create a 1/1 token copy of it.)

Flying

At the beginning of your upkeep, reveal the top card of your library and put that card into your hand. You lose life equal to its mana value.

When Dawnhart Rejuvenator enters, you gain 3 life.

: Add one mana of any color.

Deadeye Plunderers gets +1/+1 for each artifact you control.

: Create a Treasure token. (It's an artifact with ", Sacrifice this artifact: Add one mana of any color.")

Destroy target creature or planeswalker. Create a Treasure token. (It's an artifact with ", Sacrifice this artifact: Add one mana of any color.")

Deathtouch

: Add one mana of any color.

: Exile target land card from a graveyard. Add one mana of any color.

, : Exile target instant or sorcery card from a graveyard. Each opponent loses 2 life.

, : Exile target creature card from a graveyard. You gain 2 life.

Flying

As an additional cost to cast blue permanent spells, you may pay 2 life. Those spells cost less to cast if you paid life this way. This effect reduces only the amount of blue mana you pay.

Whenever you cast a blue permanent spell, draw a card.

Menace

As an additional cost to cast black permanent spells, you may pay 2 life. Those spells cost less to cast if you paid life this way. This effect reduces only the amount of black mana you pay.

Whenever you cast a black permanent spell, target creature you control gets +1/+1 and gains menace until end of turn.