msem-instigator

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

{1}: Draw a card, then put a card from your hand on top of your library.

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.)

When Distilled Inspiration enters, draw a card, then choose a card name.
{1}, {T}: Add one mana of any color.
{T}: Add one mana of any color. Spend this mana only to cast a spell with the chosen name or activate an ability of a card with the chosen name.

Whenever you make first contact, put a patch counter on Distraction Doll. (You make first contact the first time each turn you cast a spell with a name not in your graveyard or control already.)
{T}: Exile Distraction Doll and target creature with mana value less than or equal to the number of patch counters on it.

You may look at the top card of your library and face-down permanents you don't control.
{T}: Exile the top card of your library. If it's an Angel card or a card with morph, you may play that card this turn.

{2}, Sacrifice Doctored Trail: Draw a card.
{T}, Sacrifice Doctored Trail: Destroy target Clue. If you do, draw a card.

Dominik's Shack enters tapped.
When Dominik's Shack enters, you may mill two cards.
{T}: Add {B} or {G}.

You have hexproof.
Whenever you cast a noncreature spell, you may tap or untap target permanent.

Equipped creature has first strike.
Whenever another creature you control dies, put a +1/+1 counter on equipped creature.
Equip {2}

Equipped creature gets +0/+4 and has vigilance and reach.
Equip {3}

Equipped creature gets +2/+0 and is a Dragon in addition to its other types.
Equip {1}

Dragon Queen's Den enters tapped.
{T}: Add {U}.
{U}, {T}: Scry 1. Activate only as a sorcery and only if you control a blue creature.

When Dragon-Forged Armor enters, exile a creature card from a graveyard.
Equipped creature gets +X/+Y, where X is the power of the last creature card exiled with Dragon-Forged Armor and Y is its toughness.
Equip {2}

Equipped creature gets +2/+0.
Equipped creature has first strike as long as it's attacking.
Equip {3}

{T}: Add {C}.
{T}: Target land you control becomes the basic land type of your choice until end of turn.

Harmony — Add one mana of any color.
{1}, {T}: Harmonize. Then sacrifice Dragonglass Harp. (To harmonize, trigger up to one harmony of a permanent you control.)
When Dragonglass Harp is put into a graveyard from the battlefield, draw a card.

Each creature card you own that isn't on the battlefield has madness. The madness cost is equal to its mana cost. (If you discard a card with madness, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.)
{T}, Discard a card: Dragonlord's Shrine deals 2 damage to any target.

{T}: Add {C}.
Tap an untapped creature you control: Dragonwall Gates becomes a 0/4 Wall artifact creature with defender until end of turn. It's still a land.

{T}: Add {C}.
{T}, Reappropriate: Add {G} or {U}. (Exile exactly two cards from your hand and/or graveyard.)

Dreamscape enters tapped with two charge counters on it.
{T}: Add {C}.
{T}, Remove a charge counter from Dreamscape: Add one mana of any color.

({T}: Add {W} or {B}.)
Dreary Township enters tapped.
Cycling {2} ({2}, Discard this card: Draw a card.)

As Drop of Envy enters, choose a nonland permanent card name.
All cards not on the battlefield, spells, and permanents with the chosen name are legendary.

{T}: Add {C}.
{T}, Reappropriate: Add {R} or {W}. (Exile exactly two cards from your hand and/or graveyard.)