msem-instigator

When Chronic Traitor enters the battlefield, each player sacrifices a creature. If Chronic Traitor's paranoia cost was paid, each player sacrifices two creatures instead.
Paranoia {2}{B}{B} (You may cast this spell for its paranoia cost when a permanent you control leaves the battlefield.)

Return target creature to its owner's hand.
Kindle 1—{U} ({U}, Exile this card from your graveyard: Create a 1/1 colorless Elemental creature token. Kindle only as a sorcery.)

When Cobbled Currency enters the battlefield, discard a card, then draw a card.
{3}, Sacrifice Cobbled Currency: Discard two cards, then draw two cards.

Trample, haste
Crew—Tap three untapped artifacts and/or creatures you control.

When Coercive Cardinal enters the battlefield, choose an opponent. That player may have you gain 5 life. If the player doesn't, create two 1/1 white Cleric creature tokens.

Whenever an opponent draws a card, you may draw a card.

Flying
When Courier Eagle enters the battlefield, target creature gets +2/+1 until end of turn.

Gain control of target artifact or creature until end of turn, then untap it. It gains haste until end of turn. You may spend mana as though it were mana of any type to pay the costs of its abilities this turn.

Enchant creature or planeswalker
Enchanted permanent can't attack or block and loses all abilities.

Target player discards two cards.
Kindle 2—{1}{B}{B} ({1}{B}{B}, Exile this card from your graveyard: Create two 1/1 colorless Elemental creature tokens. Kindle only as a sorcery.)

Flash
When Crossroads Harrier enters the battlefield, it deals 2 damage to target opponent or permanent an opponent controls unless that player has you draw a card.

Creatures your opponents control get -2/-0 until end of turn. Scry 2.

Trial 4 (As you cast this spell, an opponent of your choice may pay 4 life. If they don't, they fail the trial.)
Target player sacrifices two noncreature permanents if they failed the trial.

When Danawan Wanderer enters the battlefield, you may tap or untap target creature.
Ascend {2}{G} ({2}{G}: Exile this creature, then return it to the battlefield transformed. Ascend only as a sorcery.)

Dancing Flames deals 2 damage to target creature.
Kindle 2—{3}{R} ({3}{R}, Exile this card from your graveyard: Create two 1/1 colorless Elemental creature tokens. Kindle only as a sorcery.)

Whenever Dauntless Qith becomes the target of a spell or ability, Dauntless Qith gains double strike until end of turn.

Destroy all creatures.
Kindle X—{X}, Exile a card with mana value X from your graveyard. ({X}, Exile a card with mana value X and this card from your graveyard: Create X 1/1 colorless Elemental creature tokens. Kindle only as a sorcery.)

Dead-Set Duo can't block.
Whenever Dead-Set Duo deals combat damage to a player, you may pay {B} and sacrifice it. If you do, they discard two cards.

Deathtouch
When Deadwood Terror enters the battlefield from a graveyard, create two tokens that are copies of it.
{4}{B}{B}, Sacrifice a creature: Return Deadwood Terror from your graveyard to the battlefield. Activate only as a sorcery.

As an additional cost to cast Deepmire Abomination, reappropriate or pay {2}. (To reappropriate, exile exactly two cards from your hand and/or graveyard.)
Menace

Creatures with power greater than Deformed Vagrant's power can't block it.

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 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.)

Descended Mortuary enters the battlefield 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.)