mtg.wtf

{T}: Add {C}.
{T}: Add one mana of any color. Spend this mana only to cast a Mount spell.
{3}, {T}: Look at the top card of your library. If it's a Mount card, you may reveal it and put it into your hand. If you don't put it into your hand, you may put it on the bottom of your library.

Visit — Target creature must be blocked this turn if able.

{T}: Add {C}.
{2}, {T}, Sacrifice Buried Ruin: Return target artifact card from your graveyard to your hand.

Trample

Whenever you crank Buzz Buggy, target creature gets +2/+0 and gains trample until end of turn.

{2}, {T}: Add {B} for each Swamp you control.

{T}: Add {B}. Cabal Pit deals 1 damage to you.
Threshold — {B}, {T}, Sacrifice Cabal Pit: Target creature gets -2/-2 until end of turn. Activate only if seven or more cards are in your graveyard.

{T}: Add {C}.
{3}, {T}: Add {B} for each basic Swamp you control.

When Cabaretti Courtyard enters the battlefield, sacrifice it. When you do, search your library for a basic Mountain, Forest, or Plains card, put it onto the battlefield tapped, then shuffle and you gain 1 life.

Whenever Cackling Culprit or another creature you control dies, you gain 1 life.
{1}{B}: Cackling Culprit gains deathtouch until end of turn.

Cactus Preserve enters the battlefield tapped.
{T}: Add one mana of any type that a land you control could produce.
{3}: 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.

Noncreature spells you cast have convoke.
At the beginning of your end step, untap up to four target creatures.

{T}: Add {C}.
{1}, {T}: Put a storage counter on Calciform Pools.
{1}, Remove X storage counters from Calciform Pools: Add X mana in any combination of {W} and/or {U}.

Caldera Lake enters the battlefield tapped.
{T}: Add {C}.
{T}: Add {U} or {R}. Caldera Lake deals 1 damage to you.

Canopy Vista enters the battlefield tapped unless you control two or more basic lands.

Canyon Slough enters the battlefield tapped.
Cycling {2}

{T}: Add {C}.
{1}, {T}: Add one mana of any color.
{4}, {T}, Sacrifice Captivating Cave: Put two +1/+1 counters on target creature. Activate only as a sorcery.

During your first three turns of the game, Captivating Crossroads enters the battlefield tapped if you were the starting player.
As Captivating Crossroads enters the battlefield, choose a color.
{T}: Add one mana of the chosen color.

{TK}{TK} — Sacrifice this permanent: Draw two cards.
{TK}{TK}{TK} — Whenever this creature attacks, proliferate.
{TK}{TK} — 4/1
{TK}{TK}{TK}{TK}{TK} — 8/7

{T}: Add {C}.
{U/R}, {T}: Add {U}{U}, {U}{R}, or {R}{R}.

Indestructible
{T}: Add {C}.
{5}, {T}: Add five mana in any combination of colors.

Castle Ardenvale enters the battlefield tapped unless you control a Plains.
{T}: Add {W}.
{2}{W}{W}, {T}: Create a 1/1 white Human creature token.

Castle Embereth enters the battlefield tapped unless you control a Mountain.
{T}: Add {R}.
{1}{R}{R}, {T}: Creatures you control get +1/+0 until end of turn.

Castle Garenbrig enters the battlefield tapped unless you control a Forest.
{T}: Add {G}.
{2}{G}{G}, {T}: Add six {G}. Spend this mana only to cast creature spells or activate abilities of creatures.

Castle Locthwain enters the battlefield tapped unless you control a Swamp.
{T}: Add {B}.
{1}{B}{B}, {T}: Draw a card, then you lose life equal to the number of cards in your hand.