msem-instigator

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.”)

Haste
Whenever another creature you control dies, each opponent loses 1 life and you gain 1 life.

When Death Pits Trophy enters, target opponent discards a card.
Equipped creature gets +1/+1.
Equip {1}

Return target creature card from your graveyard to the battlefield. If it's your combat phase, that creature enters tapped and attacking.

Destroy target creature that's not enchanted and isn't an enchantment.

Destroy four target creatures.

Return target creature card from your graveyard to the battlefield. If this spell was cast from a graveyard, you lose life equal to that creature's mana value.
Flashback {1}{B}{B} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Enchant land
When Death in Bloom enters, mill four cards, then return a permanent card from your graveyard to your hand.
Enchanted land has “{T}: Add two mana of any one color.”

Put target permanent on top of its owner's library.

Choose a nonlegendary, nonland card name. Target opponent reveals their hand and discards a card with that name.
Agonize (You may cast this card from your graveyard by putting a -1/-1 counter on a creature you control in addition to paying its other costs. Then exile this card.)

When Death's Sentry enters, if a creature died this turn, create a 2/2 black Zombie creature token.

Deathtouch
{3}{G}: Deathcoil Cobra gains indestructible until end of turn.

Whenever another creature you control dies, put a +1/+1 counter on Deathfeeder.
Sacrifice Deathfeeder: Target creature gets +X/+X until end of turn, where X is Deathfeeder's power.

Flying, deathtouch

Enchant creature
When Deathless Conscription enters, untap enchanted creature.
You control enchanted creature.

When Deathless Disciple dies, if it's not a token, create a token that's a copy of it, except it has no mana cost.
Revive {6}{B} ({6}{B}, Exile this card from your graveyard: Create a token that's a copy of it except it has no mana cost. Revive only as a sorcery.)

Flying
Other Spirits you control get +1/+1.
Whenever a Spirit you control attacks, you gain 1 life.

Enchant creature
Enchanted creature has winnow. (Damage dealt to it also causes its controller to lose that much life.)

As an additional cost to cast this spell, sacrifice a creature.
Draw cards equal to the sacrificed creature's power.

Whenever a creature you control perseveres, you draw a card and you lose 1 life. (A creature perseveres when it's dealt damage and doesn't die.)
{1}{B}: Deathmask Initiation deals 1 damage to target creature you control.

Menace
When a card leaves your graveyard, exile the top card of your library. You may play that card until the end of your next turn.

Target creature gets -2/-2 until end of turn.
Spell mastery — If there are two or more instant and/or sorcery cards in your graveyard, return up to one target enchantment card from your graveyard to your hand.

When Debt Dignitary enters, tap target nonland permanent. That permanent doesn't untap during its controller's untap step for as long as you control Debt Dignitary.

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

Whenever Deceitful Soul becomes blocked by one or more creatures, it gets +2/+0 until end of turn.