msem-instigator

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.)

Whenever Dancing Lion attacks, if it was crewed by two or more creatures in the same pack this turn, create a tapped and attacking token that's a copy of one of them. Sacrifice the token at the beginning of the next end step. (Two or more creatures you control with equal power are in a pack.)
Crew 2

Pressure—{B}, Exile six cards from your graveyard. (You may cast this spell for its pressure cost if there are seven or more cards in your graveyard.)
Deathtouch
{B}, Exile six cards from your graveyard: Return Danithra Champion from your graveyard to the battlefield. Activate only during your turn.

Creatures your opponents control enter the battlefield tapped.
Bulwark — At the beginning of each upkeep, if you control a creature with toughness 4 or greater, Danuri Custodian gains indestructible until end of turn.

Identity — As long as you control at least two other creatures that share a creature type with Danuri Eaglerider, Danuri Eaglerider gets +1/+2 and has flying.

Whenever another creature in Daoshi Spiritdancer's pack dies, you may sacrifice Daoshi Spiritdancer. If you do, return that creature card to the battlefield under your control at the beginning of the next end step. (Two or more creatures you control with equal power are in a pack.)

Renown 1 (When this creature deals combat damage to a player, if it isn't renowned, put a +1/+1 counter on it and it becomes renowned.)
As long as Daring Cavalier is renowned, it has trample.

Whenever Daring Skythief crews a Vehicle, that Vehicle gains flying until end of turn.

Flying
At the beginning of your upkeep, if you have at least two more cards in hand than any opponent, scry 1.

Menace
When Darna's Atrocity enters the battlefield, you may pay 2 life. If you do, you draw two cards and mill two cards.
{B}, Exile a card from your graveyard: Darna's Atrocity gets +1/+1 until end of turn.

First strike (This creature deals combat damage before creatures without first strike.)

Trample, haste
When Dashing Rager enters the battlefield, attach all Equipment on the battlefield to it. (Control of the Equipment doesn't change.)
At the beginning of the end step, sacrifice Dashing Rager.

When Data Smuggler enters the battlefield, if an opponent is cursed, exile the top card of your library. You may play that card until the end of your next turn.

Whenever Dawn Hill Daybreaker or another creature enters the battlefield under your control, you gain 1 life. If that creature is a Cleric, tap up to one target creature an opponent controls.

Flying, haste

Whenever Dawnrise Attendants attacks, put a +1/+1 counter on any number of target creatures that entered the battlefield this turn.

When Dawson's Bouncer enters the battlefield, choose one —
• Put a +1/+1 counter on Dawson's Bouncer.
• Create a Treasure token. (It's an artifact with “{T}, Sacrifice this artifact: Add one mana of any color.”)

When Dawson's Enforcer enters the battlefield, draw a card if you sacrificed a permanent or discarded a card this turn.

Dawson's Marauder can't block.
When Dawson's Marauder attacks, it can't be blocked this turn unless defending player sacrifices an artifact.

Flying (This creature can't be blocked except by creatures with flying or reach.)
Whenever a creature you don't control blocks, it gets -1/-0 until end of turn.

Augmented — When Dead End Adventurer enters the battlefield, if you've spent {W}{U}{B}{R}{G} to cast spells this turn, destroy target creature you don't control.

Primal {R} (During your turn, you may cast this spell for {R} instead of playing a land.)
When Deadeye Drowner enters the battlefield, it deals 2 damage to any target.

Return up to two target creature cards from your graveyard to your hand.
Coalesce {7}{B} (You may cast this from your graveyard for its coalesce cost. If you do, put it onto the battlefield as a Horror creature after it resolves. Exile it if it would leave the battlefield or not resolve.)

Engage (This creature must be blocked each combat if able.)
Whenever Death Pits Gladiator perseveres, profit. (A creature perseveres when it survives damage. To profit, create a colorless Gold artifact token with “Sacrifice this artifact: Add one mana of any color.”)