msem-instigator

{T}: Add {C}.
Satrapies you control have “{1}{G}, {T}: Put a +1/+1 counter on target creature. Activate only as a sorcery.”

Danaj Sanctuary enters the battlefield tapped.
Satrapies you control have “{T}: Add {G} or {U}.”

Danaj Temple enters the battlefield tapped.
Satrapies you control have “{T}: Add {B} or {G}.”

({T}: Add {R} or {G}.)
As Dangerous Territory enters the battlefield, you may pay {1}. If you don't, Dangerous Territory enters the battlefield tapped.

{T}, Sacrifice Daunting Skyline: Search your library for a Plains or Swamp card and put it onto the battlefield tapped, then shuffle.

Dawn Hill Outskirts enters the battlefield tapped unless you played it from exile.
{T}: Add {R} or {W}.

Dawnlit Battlefield enters the battlefield tapped.
{T}: Add {R} or {W}.
{2}{R}{W}: Until end of turn, Frozen Hinterlands becomes a 4/2 red and white Warrior creature with with “This creature has first strike as long as it's attacking” and “Whenever this creature attacks or blocks, torment yourself.” It's still a land. (To torment yourself, lose 3 life unless you discard a card or sacrifice a nonland permanent.)

Dead Man's Hand enters the battlefield tapped.
{T}, Sacrifice Dead Man's Hand, two permanents with mana value 1, and two permanents with mana value 8: Target player loses the game.

Deadwood Grove enters the battlefield tapped.
{T}: Add {B} or {G}.
{1}{B}{G}: Until end of turn, Frozen Hinterlands becomes a 2/3 black and green Horror creature with with deathtouch and “Whenever this creature attacks or blocks, torment yourself.” It's still a land. (To torment yourself, lose 3 life unless you discard a card or sacrifice a nonland permanent.)

{T}: Add {C}.
{T}, Exile two cards from your graveyard: Add {W} or {B}.

Decayed Bedchamber enters tapped.
When Decayed Bedchamber enters the battlefield, look at the top card of your library. You may put it into your graveyard.
{T}: Add {B} or {G}.

{T}, Sacrifice Decrepit Crags: Search your library for a Swamp or Mountain card and put it onto the battlefield tapped, then shuffle.

Deeplife Cavern enters the battlefield tapped unless you control a Forest.
{T}: Add {U} or {B}.

{T}: Add {C}.
{3}{R}: Until end of turn, Defect's Precinct becomes a 3/3 creature. It's still a land. It has trample if {G} was spent to activate this ability, has vigilance if {W} was spent, and has hexproof if {U} was spent.

As Den of Vice enters the battlefield, you may pay 3 life. If you don't, it enters the battlefield tapped.
{T}: Add {U}, {B}, or {R}.

({T}: Add {R}.)
Derelict Amphitheatre enters the battlefield tapped.
{R}, {T}, Reveal a red card from your hand: Scry 1. (To scry 1, look at the top card of your library. You may put that card on the bottom of your library.)

{T}: Add one mana of any color.
When you tap Derelict Town for mana, return it to its owner's hand.

Descended Countryside enters the battlefield tapped.
{T}: Add {G} 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.)

Descended Delta enters the battlefield tapped.
{T}: Add {U} or {R}.
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 Fissure enters the battlefield tapped.
{T}: Add {B} or {R}.
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 Glacier enters the battlefield tapped.
{T}: Add {W} 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 Gorge enters the battlefield tapped.
{T}: Add {R} 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 Hollow enters the battlefield 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 the battlefield 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 the battlefield 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.)