Bretagard Stronghold enters the battlefield tapped.

: Add .

, , Sacrifice Bretagard Stronghold: Put a +1/+1 counter on each of up to two target creatures you control. They gain vigilance and lifelink until end of turn. Activate only as a sorcery.

Bristling Backwoods enters the battlefield tapped.

When Bristling Backwoods enters the battlefield, it deals 1 damage to target opponent.

: Add or .

: Add .

: Add or . Brushland deals 1 damage to you.

: Add .

, , Sacrifice Buried Ruin: Return target artifact card from your graveyard to your hand.

, : Add for each Swamp you control.

: Add .

, : Add for each basic Swamp you control.

Cactus Preserve enters the battlefield tapped.

: Add one mana of any type that a land you control could produce.

: Until end of turn, Cactus Preserve becomes an X/X green Plant creature with reach, where X is the greatest mana value among your commanders. It's still a land.

Caldera Lake enters the battlefield tapped.

: Add .

: Add or . Caldera Lake deals 1 damage to you.

(: Add or .)

Canyon Slough enters the battlefield tapped.

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

: Add .

, : Add , , or .

Castle Ardenvale enters the battlefield tapped unless you control a Plains.

: Add .

, : Create a 1/1 white Human creature token.

Castle Garenbrig enters the battlefield tapped unless you control a Forest.

: Add .

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

: Add .

, : Add .

, : Add or .

White legendary creatures you control have "bands with other legendary creatures." (Any legendary creatures can attack in a band as long as at least one has "bands with other legendary creatures." Bands are blocked as a group. If at least two legendary creatures you control, one of which has "bands with other legendary creatures," are blocking or being blocked by the same creature, you divide that creature's combat damage, not its controller, among any of the creatures it's being blocked by or is blocking.)

: Add .

, : Add one mana of any color.

, , Sacrifice Cave of Temptation: Put two +1/+1 counters on target creature. Activate only as a sorcery.

As Cavern of Souls enters the battlefield, 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.

: Add .

: Add or . Caves of Koilos deals 1 damage to you.

: Add . Centaur Garden deals 1 damage to you.

Threshold — , , Sacrifice Centaur Garden: Target creature gets +3/+3 until end of turn. Activate only if seven or more cards are in your graveyard.

As Choked Estuary enters the battlefield, you may reveal an Island or Swamp card from your hand. If you don't, Choked Estuary enters the battlefield tapped.

: Add or .

(: Add or .)

Cinder Glade enters the battlefield tapped unless you control two or more basic lands.

Citadel Gate enters the battlefield tapped.

As Citadel Gate enters the battlefield, choose a color other than white.

: Add or one mana of the chosen color.

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

: Add one mana of any color.

When you play another land, sacrifice City of Traitors.

: Add .

Cliffgate enters the battlefield tapped.

As Cliffgate enters the battlefield, choose a color other than red.

: Add or one mana of the chosen color.

: Add .

: Add or . Cloudcrest Lake doesn't untap during your next untap step.

Coastal Tower enters the battlefield tapped.

: Add or .

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

Concealed Courtyard enters the battlefield tapped unless you control two or fewer other lands.

: Add or .

(Transforms from Conqueror's Galleon.)

: Add .

, : Draw a card, then discard a card.

, : Draw a card.

, : Return target card from your graveyard to your hand.

(: Add or .)

Contaminated Aquifer enters the battlefield tapped.

: Add .

, : Target Beast creature you control fights target creature an opponent controls. (Each deals damage equal to its power to the other.)

Copperline Gorge enters the battlefield tapped unless you control two or fewer other lands.

: Add or .

: Add . ( represents colorless mana.)

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

: Add .

, , Sacrifice Cradle of the Accursed: Create a 2/2 black Zombie creature token. Activate only as a sorcery.

: Add .

: Put two +1/+1 counters on Crawling Barrens. Then you may have it become a 0/0 Elemental creature until end of turn. It's still a land.

Creosote Heath enters the battlefield tapped.

When Creosote Heath enters the battlefield, it deals 1 damage to target opponent.

: Add or .

: 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.

Crumbling Vestige enters the battlefield tapped.

When Crumbling Vestige enters the battlefield, add one mana of any color.

: Add . ( represents colorless mana.)

When Crypt of the Eternals enters the battlefield, you gain 1 life.

: Add .

, : Add , , or .

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

Cryptic Spires enters the battlefield tapped.

: Add one mana of either of the circled colors.

: Add .

, : Add .

Dakmor Salvage enters the battlefield tapped.

: Add .

Dredge 2 (If you would draw a card, you may mill two cards instead. If you do, return this card from your graveyard to your hand.)

Dark Depths enters the battlefield with ten ice counters on it.

: Remove an ice counter from Dark Depths.

When Dark Depths has no ice counters on it, sacrifice it. If you do, create Marit Lage, a legendary 20/20 black Avatar creature token with flying and indestructible.

Darkmoss Bridge enters the battlefield tapped.

Indestructible

: Add or .

Indestructible

: Add .

: Add .

, : Target Soldier creature gets +1/+1 until end of turn.

: Add .

, Sacrifice Deceptive Landscape: Search your library for a basic Plains, Swamp, or Forest card, put it onto the battlefield tapped, then shuffle.

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

If you control two or more other lands, Den of the Bugbear enters the battlefield tapped.

: Add .

: Until end of turn, Den of the Bugbear becomes a 3/2 red Goblin creature with "Whenever this creature attacks, create a 1/1 red Goblin creature token that's tapped and attacking." It's still a land.

Desert of the Fervent enters the battlefield tapped.

: Add .

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

Desert of the Indomitable enters the battlefield tapped.

: Add .

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