, : Move the CRANK counter to your Contraption deck's next sprocket and crank any number of that sprocket's Contraptions.

Flying

Clockwork Avian enters with four +1/+0 counters on it.

At end of combat, if Clockwork Avian attacked or blocked this combat, remove a +1/+0 counter from it.

, : Put up to X +1/+0 counters on Clockwork Avian. This ability can't cause the total number of +1/+0 counters on Clockwork Avian to be greater than four. Activate only during your upkeep.

Clockwork Beetle enters with two +1/+1 counters on it.

Whenever Clockwork Beetle attacks or blocks, remove a +1/+1 counter from it at end of combat.

Flying

Clockwork Dragon enters with six +1/+1 counters on it.

Whenever Clockwork Dragon attacks or blocks, remove a +1/+1 counter from it at end of combat.

: Put a +1/+1 counter on Clockwork Dragon.

You may exert Clockwork Droid as it attacks. When you do, it can't be blocked this turn and you scry 1. (An exerted creature won't untap during your next untap step. To scry 1, look at the top card of your library. You may put that card on the bottom.)

, : Regenerate target artifact creature.

Haste

When Clockwork Percussionist dies, exile the top card of your library. You may play it until the end of your next turn.

Clockwork Steed enters with four +1/+0 counters on it.

Clockwork Steed can't be blocked by artifact creatures.

At end of combat, if Clockwork Steed attacked or blocked this combat, remove a +1/+0 counter from it.

, : Put up to X +1/+0 counters on Clockwork Steed. This ability can't cause the total number of +1/+0 counters on Clockwork Steed to be greater than four. Activate only during your upkeep.

Trample

Clockwork Vorrac enters with four +1/+1 counters on it.

Whenever Clockwork Vorrac attacks or blocks, remove a +1/+1 counter from it at end of combat.

: Put a +1/+1 counter on Clockwork Vorrac.

Imprint — When Clone Shell enters, look at the top four cards of your library, exile one face down, then put the rest on the bottom of your library in any order.

When Clone Shell dies, turn the exiled card face up. If it's a creature card, put it onto the battlefield under your control.

Flying

: Cloudheath Drake gains vigilance until end of turn.

Whenever a nonartifact permanent you control enters, you may return another permanent you control that shares a permanent type with it to its owner's hand.

Visit — Create a 1/1 white Clown Robot artifact creature token.

Lights — 2, 6

Visit — Create a 1/1 white Clown Robot artifact creature token.

Lights — 4, 6

, Sacrifice Coal Golem: Add .

Defender

Coastal Bulwark gets +2/+0 as long as you control an Island.

, : Surveil 1. (Look at the top card of your library. You may put that card into your graveyard.)

: Cobalt Golem gains flying until end of turn.

: Target player mills a card. (They put the top card of their library into their graveyard.)

, , Sacrifice Codex Shredder: Return target card from your graveyard to your hand.

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.

Flying

: Reassemble target Contraption you control. (Move it onto another one of your sprockets.)

: Create a token that's a copy of target artifact. That token gains haste. Exile it at the beginning of the next end step.

Draft Cogwork Librarian face up.

As you draft a card, you may draft an additional card from that booster pack. If you do, put Cogwork Librarian into that booster pack.

Reveal Cogwork Tracker as you draft it and note the player who passed it to you.

Cogwork Tracker attacks each combat if able.

Cogwork Tracker attacks a player you noted for cards named Cogwork Tracker each combat if able.

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.

: Exile target creature you control.

Sacrifice Cold Storage: Return each creature card exiled with Cold Storage to the battlefield under your control.

Whenever a creature with toughness 4 or greater is put into your graveyard from the battlefield, you may exile it.

At the beginning of the end step, if three or more cards have been exiled with Colfenor's Urn, sacrifice it. If you do, return those cards to the battlefield under their owner's control.

, : 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.")

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.)

Defender, indestructible

: Monstrosity 10. (If this creature isn't monstrous, put ten +1/+1 counters on it and it becomes monstrous.)

As long as Colossus of Akros is monstrous, it has trample and can attack as though it didn't have defender.

, Sacrifice Combat Courier: Draw a card.

Unearth (: Return this card from your graveyard to the battlefield. It gains haste. Exile it at the beginning of the next end step or if it would leave the battlefield. Unearth only as a sorcery.)

Creature tokens you control have flying.

, , Sacrifice a token: Create a 4/4 green Beast creature token. Activate only as a sorcery.

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

Equip commander

Equip

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.

, 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.

Equipped creature gets +3/+0.

Disguise (You may cast this card face down for as a 2/2 creature with ward . Turn it face up any time for its disguise cost.)

When Concealed Weapon is turned face up, attach it to target creature you control.

Equip

Visit — Create a Food token. (It's an artifact with ", , Sacrifice this artifact: You gain 3 life.")

Lights — 3, 6

Visit — Create a Food token. (It's an artifact with ", , Sacrifice this artifact: You gain 3 life.")

Lights — 5, 6

When Conductive Machete enters, manifest dread, then attach Conductive Machete to that creature. (Look at the top two cards of your library. Put one onto the battlefield face down as a 2/2 creature and the other into your graveyard. Turn it face up any time for its mana cost if it's a creature card.)

Equipped creature gets +2/+1.

Equip

When Confession Dial enters, surveil 3.

: Target legendary creature card in your graveyard gains escape until end of turn. The escape cost is equal to its mana cost plus exile three other cards from your graveyard. (You may cast it from your graveyard for its escape cost this turn.)

At the beginning of your end step, you may exile target creature you control, then return that card to the battlefield under your control.

Equipped creature gets +1/+1 for each color among permanents you control.

As long as Conqueror's Flail is attached to a creature, your opponents can't cast spells during your turn.

Equip

, : Prevent the next 2 damage that would be dealt to you this turn.

Defender

Reach (This creature can block creatures with flying.)

At the beginning of your upkeep, each opponent loses 1 life and you gain 1 life.

When Contagion Engine enters, put a -1/-1 counter on each creature target player controls.

, : Proliferate twice. (Choose any number of permanents and/or players, then give each another counter of each kind already there. Then do it again.)

Whenever you're dealt combat damage, the attacking player gains control of Contested Game Ball and untaps it.

, : Draw a card and put a point counter on Contested Game Ball. Then if it has five or more point counters on it, sacrifice it and create a Treasure token.

Dynastic Command Node — As long as you control your commander, activated abilities of cards in your graveyard cost less to activate. This effect can't reduce the mana in that ability's activation cost to less than one mana.

Translocation Protocols — , : Mill three cards.

, : Exile target artifact card from a graveyard. Put a charge counter on Conversion Chamber.

, , Remove a charge counter from Conversion Chamber: Create a 3/3 colorless Phyrexian Golem artifact creature token.

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

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