When Cogworker's Puzzleknot enters, create a 1/1 colorless Servo artifact creature token.

, Sacrifice Cogworker's Puzzleknot: Create a 1/1 colorless Servo artifact creature token.

Cumulative upkeep (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.)

At the beginning of each player's upkeep, Cold Snap deals damage to that player equal to the number of snow lands they control.

When Colfenor's Plans enters, exile the top seven cards of your library face down.

You may look at the cards exiled with Colfenor's Plans, and you may play lands and cast spells from among those cards.

Skip your draw step.

You can't cast more than one spell each turn.

Destroy target creature with toughness 4 or greater.

Activated abilities of artifacts can't be activated.

Flying (This creature can't be blocked except by creatures with flying or reach.)

Whenever Colossal Plow attacks, add and you gain 3 life. Until end of turn, you don't lose this mana as steps and phases end.

Crew 6 (Tap any number of creatures you control with total power 6 or more: This Vehicle becomes an artifact creature until end of turn.)

Flying

Inklings can't attack you or planeswalkers you control.

Whenever a player attacks one of your opponents, that attacking player creates a tapped 2/1 white and black Inkling creature token with flying that's attacking that opponent.

0: Roll a six-sided die.

1 or 2 — +2, then create two 1/1 green Squirrel creature tokens. They gain haste until end of turn.

3 — −1, then return a card with mana value 2 or less from your graveyard to your hand.

4 or 5 — Comet, Stellar Pup deals damage equal to the number of loyalty counters on him to a creature or player, then −2.

6 — +1, and you may activate Comet, Stellar Pup's loyalty ability two more times this turn.

Choose two —

• Open an Attraction. (Put the top card of your Attraction deck onto the battlefield.)

• Roll to visit your Attractions.

• You get .

• You may put a sticker on a nonland permanent you own.

Whenever you attack, spells you cast from exile this turn cost less to cast, where X is the number of players being attacked. Exile the top X cards of your library. Until end of turn, you may cast spells from among those exiled cards.

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

Sacrifice Commander's Sphere: Draw a card.

Look at the top four cards of your library. You may reveal an enchantment or land card from among them and put it into your hand. Put the rest on the bottom of your library in a random order.

Command Section — When Company Commander enters, create a number of 1/1 white Soldier creature tokens equal to the number of opponents you have.

Bring it Down — Whenever Company Commander attacks, creatures you control gain deathtouch until end of turn.

When Compass Gnome enters, you may search your library for a basic land card or Cave card, reveal it, then shuffle and put that card on top.

Target player mills five cards.

Cycling (, Discard this card: Draw a card.)

When Complaints Clerk enters, open an Attraction. (Put the top card of your Attraction deck onto the battlefield.)

Whenever you roll a 1, create a 1/1 white Clown Robot artifact creature token.

When this creature transforms into Compleated Conjurer, exile the top card of your library. Until the end of your next turn, you may play that card.

Devoid (This card has no color.)

Exile target creature with power 3 or less.

At the beginning of your upkeep, if you control seven or more permanents, return Complex Automaton to its owner's hand.

Aftermath (Cast this spell only from your graveyard. Then exile it.)

Choose a card name. Until your next turn, your opponents can't cast spells with the chosen name.

, Remove a component counter from Component Pouch: Add two mana of different colors.

: Roll a d20.

1–9 | Put a component counter on Component Pouch.

10–20 | Put two component counters on Component Pouch.

Sacrifice Composite Golem: Add .

Target creature gets -1/-1 until end of turn. It gets an additional -1/-1 until end of turn for each card named Compound Fracture in your graveyard.

Target player draws three cards. Then that player discards two cards unless they discard a land card.

At the beginning of your end step, if a creature died this turn, create a tapped token that's a copy of Compy Swarm.

Menace (This creature can't be blocked except by two or more creatures.)

Backup 1, backup 1, backup 1 (When this creature enters, put a +1/+1 counter on target creature. If that's another creature, it gains the following abilities until end of turn. Each backup ability triggers separately.)

Trample

Whenever this creature deals combat damage to a player, put that many +1/+1 counters on it.

Conductor of Cacophony enters with two +1/+1 counters on it.

, Remove a +1/+1 counter from Conductor of Cacophony: It deals 1 damage to each other creature and each player.

Counter target spell.

Investigate three times. (To investigate, create a Clue token. It's an artifact with ", Sacrifice this artifact: Draw a card.")

Choose one —

• Return target planeswalker card with mana value X or less from your graveyard to the battlefield.

• Remove twice X loyalty counters from target planeswalker an opponent controls.

When Conscripted Infantry dies, create a 1/1 colorless Soldier artifact creature token.

Destroy target creature. Consign to the Pit deals 2 damage to that creature's controller.

As Conspiracy enters, choose a creature type.

Creatures you control are the chosen type. The same is true for creature spells you control and creature cards you own that aren't on the battlefield.

Flying

You may collect evidence 10 rather than pay the mana cost for spells you cast. (To collect evidence 10, exile cards with total mana value 10 or greater from your graveyard.)

Consuming Corruption deals X damage to target creature or planeswalker and you gain X life, where X is the number of Swamps you control.

Target player sacrifices a creature. You gain life equal to that creature's toughness.

Rebound (If you cast this spell from your hand, exile it as it resolves. At the beginning of your next upkeep, you may cast this card from exile without paying its mana cost.)

Roll a d20.

1–9 | Draw two cards.

10–19 | Scry 2, then draw two cards.

20 | Scry 3, then draw three cards.

Flash

If a nontoken creature would enter and it wasn't cast, exile it instead.

Whenever you cast a spell, you gain 1 life.

Proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

Draw a card.

Contortionist Troupe enters with X +1/+1 counters on it.

Coven — At the beginning of your end step, if you control three or more creatures with different powers, put a +1/+1 counter on target creature you control.

, Sacrifice Contraption Cannon: It deals damage to any target equal to the number of Contraptions you control.

Flying

Whenever Conundrum Sphinx attacks, each player chooses a card name. Then each player reveals the top card of their library. If the card a player revealed has the name they chose, that player puts it into their hand. If it doesn't, that player puts it on the bottom of their library.

Enchant creature

Enchanted creature can't attack or block.

: Exile enchanted creature.

Enchant creature

Enchanted creature has banding. (Any creatures with banding, and up to one without, can attack in a band. Bands are blocked as a group. If any creatures with banding a player controls are blocking or being blocked by a creature, that player divides that creature's combat damage, not its controller, among any of the creatures it's being blocked by or is blocking.)

, Sacrifice Copper Gnomes: You may put an artifact card from your hand onto the battlefield.

Reach

, Sacrifice Copper Longlegs: Proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

At the beginning of each player's upkeep, Copper Tablet deals 1 damage to that player.

Copperhoof Vorrac gets +1/+1 for each untapped permanent your opponents control.