msem-instigator

Destroy target attacking or blocking creature.

Vanishing 4 (This permanent enters the battlefield with four time counters on it. At the beginning of your upkeep, remove a time counter from it. When the last is removed, sacrifice it.)
When Doomed Fate leaves the battlefield, if it had no time counters on it, destroy all nonland permanents.

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

{1}{B}, Mill three cards: Return Dredging Aberration from your graveyard to your hand.

When Driver of Hordes enters the battlefield, create a tapped 2/2 black Zombie creature token.
Unearth {3}{B} ({3}{B}: Return this card from your graveyard to the battlefield. It gains haste. Exile it at the beginning of the end step or if it would leave the battlefield. Unearth only as a sorcery.)

{T}, Sacrifice a creature or land: Search your library for a Swamp card, reveal it, put it into your hand, then shuffle.

Landfall — Whenever a land enters the battlefield under your control, target player loses 1 life and you gain 1 life.

When Drownyard Scavenger enters the battlefield, each player may return an instant or sorcery card from their graveyard to their hand.

Prevent all combat damage that would be dealt to you this turn. Populate. (Create a token that's a copy of a creature token you control.)

Lifelink
Vanishing 1 (This permanent enters the battlefield with a time counter on it. At the beginning of your upkeep, remove a time counter from it. When the last is removed, sacrifice it.)
Whenever another creature you control dies, put a time counter on Dulling Necromancer.

Landfall — Whenever a land enters the battlefield under your control, target creature you control gains vigilance until end of turn.

({T}: Add {B} or {G}.)
Duskwood Thicket enters the battlefield tapped.
Cycling {2} ({2}, Discard this card: Draw a card.)

Landfall — Whenever a land enters the battlefield under your control, Duskwood Vanguard gets +1/+1 until end of turn.

Landfall — Whenever a land enters the battlefield under your control, you may pay {1}{G}. If you do, create a 2/2 green Wolf creature token.

{T}: Target player mills a card.
{4}, {T}, Exile Dusty Record: Target player shuffles their graveyard into their library.

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

{T}: Add {G}.

Target creature gets +2/+2 until end of turn. If you control four or more lands, that creature gets an additional +2/+2 until end of turn.

{T}: Add {G}.

When Earthenlore Disciple enters the battlefield, you may destroy target artifact, enchantment, or land.

Prowess
Vanishing 2 (This permanent enters the battlefield with two time counters on it. At the beginning of your upkeep, remove a time counter from it. When the last is removed, sacrifice it.)

Draw a card.
Reprise {2} (As you cast an instant or sorcery spell, you may exile one card with reprise from your graveyard and pay its reprise cost. If you do, add its effects to that spell.)

As an instant or sorcery spell not cast from exile resolves, exile it instead of putting it anywhere else.
Once each turn, you may cast a card exiled with Eidetic Memory.

The next creature spell you cast this turn can be cast as though it had flash. When that creature enters the battlefield this turn, it gains lifelink until end of turn.