mtg.wtf

Visit — Drop three cards you own from outside the game one at a time onto the playing area from a height of at least one foot (about 0.3 meters). If those cards completely cover Cover the Spot, claim the prize!
Prize — You get {TK}{TK}{TK}{TK}, then you may put a sticker on a nonland permanent you own. Sacrifice Cover the Spot, then open an Attraction.

Flying, deathtouch
If Covetous Geist would be put into a graveyard from anywhere, exile it instead.

Crackling Falls enters tapped.
{T}: Add {U} or {R}.

{T}: Add {C}.
{3}, {T}, Sacrifice Cradle of the Accursed: Create a 2/2 black Zombie creature token. Activate only as a sorcery.

{T}: Add {R}.

Suspend 4—{G}
Create two 4/4 green Rhino creature tokens with trample.

{T}: Add {C}.
{4}: Put two +1/+1 counters on this land. Then you may have it become a 0/0 Elemental creature until end of turn. It's still a land.

Whenever Creeping Inn attacks, you may exile a creature card from your graveyard. If you do, each opponent loses X life and you gain X life, where X is the number of creature cards exiled with Creeping Inn.
{4}: Creeping Inn phases out.

Creeping Tar Pit enters tapped.
{T}: Add {U} or {B}.
{1}{U}{B}: Creeping Tar Pit becomes a 3/2 blue and black Elemental creature until end of turn and can't be blocked this turn. It's still a land.

Creosote Heath enters tapped.
When Creosote Heath enters, it deals 1 damage to target opponent.
{T}: Add {G} or {W}.

When Crosis's Catacombs enters, sacrifice it unless you return a non-Lair land you control to its owner's hand.
{T}: Add {U}, {B}, or {R}.

Whenever a creature you control deals damage to a creature or player, you gain 1 life.

{T}: Add {C}.
{1}, {T}: Put a storage counter on Crucible of the Spirit Dragon.
{T}, 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 Necropolis enters tapped.
{T}: Add {U}, {B}, or {R}.

Crumbling Vestige enters tapped.
When Crumbling Vestige enters, add one mana of any color.
{T}: Add {C}.

Crypt of Agadeem enters tapped.
{T}: Add {B}.
{2}, {T}: Add {B} for each black creature card in your graveyard.

When Crypt of the Eternals enters, you gain 1 life.
{T}: Add {C}.
{1}, {T}: Add {U}, {B}, or {R}.

{T}: Add {C}.
{1}, {T}, Sacrifice this land: Draw a card. Activate only if you control five or more lands.

As you create your deck, circle two of the colors below.
Cryptic Spires enters tapped.
{T}: Add one mana of either of the circled colors.

When Crystal Grotto enters, scry 1.
{T}: Add {C}.
{1}, {T}: Add one mana of any color.

{T}: Add {C}.
{5}, {T}: Add {W}{U}{B}{R}{G}.

{T}: Add {C}.
{T}, Sacrifice Crystal Vein: Add {C}{C}.

{TK}{TK} — Prowess, prowess
{TK}{TK}{TK}{TK}{TK} — {2}, {T}: This permanent deals 2 damage to any target.
{TK}{TK} — 4/2
{TK}{TK}{TK}{TK} — 4/8

Living metal
Flying
Whenever Cyclonus deals combat damage to a player, convert it. If you do, there is an additional beginning phase after this phase.

You may play any colored card from your hand as a copy of a basic land card chosen at random that can produce mana of one of the card's colors.