msem-instigator

({T}: Add {W} or {B}.)
Desolate Barrens enters tapped.

({T}: Add {R}, {W}, or {B}.)
Desolate Dominion enters tapped.

Desolate Path enters tapped unless you control one or fewer other lands.
{T}: Add {W} or {B}.
Cycling {2} ({2}, Discard this card: Draw a card.)

Menace
Whenever Despair Scavenger attacks, you may have target creature get -1/-1 until end of turn.

Desperate Android enters tapped.
Whenever another artifact you control dies for the first time each turn, return Desperate Android from your graveyard to your hand.

Target opponent may have Desperate Contrition deal 4 damage to them. If that player doesn't, you draw three cards.
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.)

{1}, Sacrifice a creature: Desperate Forsaken gets +1/+1 until end of turn. You gain 1 life.

Sacrifice a land: Desperate Ravager gets +2/+0 and gains haste until end of turn.

Haste
Whenever Desperate Reconnoiterer becomes untapped, scry 1.

Whenever Desperate Thief deals combat damage to a player, you may pay 2 life. If you do, draw a card.

As an additional cost to cast this spell, pay {2} or sacrifice a creature.
Flying, vigilance

Haste
Fleeting {B} (You may cast this spell for its fleeting cost. If you do, sacrifice it at the beginning of the next end step.)

Target opponent reveals their hand. You choose a creature or planeswalker card from it. That player discards that card.

Assault {1}{B} (Whenever this attacks, if it has no +1/+1 counters on it, you may pay its assault cost to put a +1/+1 counter on it.)
Whenever a creature you control assaults, you may have target creature get -2/-2 until end of turn.

Rapport — Whenever Desraen, Serpent's Will and at least one other creature you control become tapped, you may cast target instant or sorcery card with mana value 3 or less from your graveyard without paying its mana cost. If that spell would be put into your graveyard, exile it instead.

Target opponent loses 1 life for each creature they control. You gain 2 life for each Wizard you control.

Whenever you create one or more tokens, put a rift counter on Destabilizing the Rifts.
As long as Destabilizing the Rifts has seven or more rift counters on it, creature tokens you control can't leave the battlefield.

Align X (Choose modes with total ★ less than or equal to X. You may choose modes multiple times.)
• ★ — Create a 1/1 white Soldier creature token.
• ★★ — Put a +1/+1 counter on each creature you control.
• ★★★★★ — Exile each permanent your opponents control. Return them to the battlefield under their owner's control at the beginning of your next upkeep.

Target creature you control deals damage equal to its power to target creature or planeswalker you don't control. Scry 1.

Counter target spell unless its controller pays {3}. If you own a foretold card in exile, counter that spell unless its controller pays {6} instead.

When Destiny Beyond Measure enters, tap each creature you control.
Creatures you control get +8/+8 and have “This creature enters tapped.”

As an additional cost to cast this spell, you may sacrifice a creature.
Return to the battlefield a creature card in your graveyard that was put there from the battlefield this turn.

For each creature that's attacking you or a planeswalker you control, create a 1/1 blue Bird creature token with flying.

As Destroyed Isle enters, you may pay 3 life. If you don't, it enters tapped.
{T}: Add {W}, {U}, or {B}.

{2}, {T}: Exile target creature. Return that card to the battlefield under its owner's control at the beginning of the next end step. Activate only as a sorcery.