msem-instigator

Descended Hollow enters tapped.
{T}: Add {U} or {B}.
Morph {2} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.)

Descended Marsh enters tapped.
{T}: Add {B} or {G}.
Morph {2} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.)

Descended Meadow enters tapped.
{T}: Add {G} or {U}.
Morph {2} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.)

Descended Mortuary enters tapped.
{T}: Add {W} or {B}.
Morph {2} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.)

Descended Towers enters tapped.
{T}: Add {R} or {W}.
Morph {2} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.)

Desert Temple enters tapped.
As Desert Temple enters, an opponent of your choice chooses Oasis or Desiccation.
• Oasis — {T}: Add one mana of any color.
• Desiccation — {T}: Add {C}{C}. You lose 1 life.

{T}: Add {C}.
{T}: Add one mana of any color. Spend this mana only to cast riddle spells.
{1}, {T}: Add one mana of any color.

({T}: Add {W} or {B}.)
Deserted Steppe enters tapped unless you control two or more basic lands.

As Deserted Trail enters, you may reveal a Swamp or Forest card from your hand. If you don't, Deserted Trail enters tapped.
{T}: Add {B} or {G}.

Desiccated Trail enters tapped unless you control another Desert.
{T}: Add {W} or {B}.

({T}: Add {W} or {B}.)
Desolate Barrens enters tapped.

({T}: Add {R}, {W}, or {B}.)
Desolate Dominion enters tapped.

Desolate Path enters tapped unless you control one or fewer other lands.
{T}: Add {W} or {B}.
Cycling {2} ({2}, Discard this card: Draw a card.)

Sacrifice a land: Desperate Ravager gets +2/+0 and gains haste until end of turn.

As Destroyed Isle enters, you may pay 3 life. If you don't, it enters tapped.
{T}: Add {W}, {U}, or {B}.

Trample
Creatures your opponents control get -1/-0.

As Dha-Bukan enters, choose a basic land type. You may reveal a Desert card from your hand. If you don't, Dha-Bukan enters tapped.
Deserts you control are the chosen type in addition to their other land types.

Hexproof

Hexproof

Dire Dive enters tapped unless another player controls a land that could produce {B} or {R}.
{T}: Add {B} or {R}.

Dismal Backwater enters tapped.
When Dismal Backwater enters, you gain 1 life.
{T}: Add {U} or {B}.

Distant Path enters tapped unless you control one or fewer other lands.
{T}: Add {W} or {U}.
Cycling {2} ({2}, Discard this card: Draw a card.)

As long as your deck contains only red and colorless cards, your minimum deck size is reduced by eight.

Spells your opponents cast cost {1} more to cast.
Spells you cast cost {1} less to cast.

At the beginning of your end step, if you have no cards in hand, draw a card.
{2}{U}, {T}: Sacrifice any number of nontoken creatures. Create an X/X blue Horror creature token for each of those creatures, where X is the total power of those creatures.