msem-instigator

Draw two cards. Each opponent loses 2 life and you gain 2 life.
Flashback {4}{U}{B} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Reach
When Crater Thing enters, it deals 3 damage to up to one target creature or planeswalker.
Mountaincycling {2} ({2}, Discard this card: Search your library for a Mountain card, reveal it, put it into your hand, then shuffle.)

Reach
When Creep of the Crop dies, mill three cards, then you may return a land card from your graveyard to your hand.
Foreshadow {1}{G} (You may cast this spell for its foreshadow cost. If you do, also trigger its “dies” abilities when it enters.)

Flash
Deathtouch

Flash
Enchant player
When Curse of Doubt enters, counter target spell enchanted player controls unless they pay {2}.
{4}{U}: Enchanted player mills three cards.

Enchant player
When Curse of Fangs enters, gain control of target creature enchanted player controls. It becomes a Vampire in addition to its other types.
Creatures attacking enchanted player have lifelink.

Enchant player
Whenever enchanted player is attacked, the attacking player creates a tapped and attacking token that's a copy of an attacking creature of their choice, except it's not legendary and has “This permanent can't transform.” That token's controller sacrifices it at end of combat.

Enchant player
Creatures attacking enchanted player get +1/+0.
If Curse of Incurable Wounds would be put into a graveyard from the battlefield, exile it instead.

Enchant player
When Curse of Nightmares enters, destroy target creature or planeswalker enchanted player controls.
Whenever enchanted player draws a card, they lose 1 life and you gain 1 life.

Enchant player
Whenever enchanted player casts a spell, Curse of Raining Daggers deals 1 damage to them.
Whenever one or more creatures deal combat damage to enchanted player, you create a Weapon token. When you do, attach it to target creature you control. (A Weapon token is an Equipment artifact with “Equipped creature gets +1/+1” and equip {2}.)

Enchant player
When Curse of Scuttling Thoughts enters, create a 0/3 blue Crab creature token with “{T}: Target player mills a card.”
If enchanted player would mill one or more cards, they mill twice that many cards instead.

Enchant player
When Curse of Slaughter enters, it deals 4 damage to target creature or planeswalker enchanted player controls.
Creatures attacking enchanted player have trample.

Flash
Enchant player
When Curse of Tempests enters, it deals 3 damage to target creature or planeswalker enchanted player controls.
Whenever enchanted player is attacked, you may draw a card. If you do, discard a card.

Enchant player
Whenever enchanted player casts a spell from anywhere other than exile, exile that spell. During that player's next turn, they may cast that card without paying its mana cost.

Enchant player
Creatures attacking enchanted player have deathtouch.
Whenever a creature deals combat damage to enchanted player, that creature's controller draws a card. This ability triggers only once each turn.

Enchant player
At the beginning of enchanted player's draw step, they draw an additional card.
At the beginning of enchanted player's end step, that player discards all but one card in their hand.

Enchant player
Creatures enchanted player controls get -1/-0.
If Curse of the Banshee would be put into a graveyard from the battlefield, exile it instead.

Enchant player
When Curse of the Breathless enters, create a 1/1 white Spirit creature token with flying for each Curse attached to enchanted player.
Whenever another Curse becomes attached to enchanted player, create a 1/1 white Spirit creature token with flying.

Enchant player
When Curse of the Hunter's Moon enters, create a 2/2 green Wolf creature token.
Whenever enchanted player is attacked, the attacking player adds {R}. Until end of turn, that player doesn't lose that mana as steps and phases end.

Enchant player
Whenever Curse of the Tattletale or another Curse becomes attached to enchanted player, each of their opponents draws a card.

Enchant player
When Curse of the Unburied enters, return up to two target creature cards from your graveyard to your hand.
Whenever a land enchanted player controls enters, they lose 1 life.

Enchant player
When Curse of the Vein enters, create a 1/1 black and red Vampire creature token with menace.
Whenever enchanted player is attacked, Curse of the Vein deals 1 damage to them.

Create two 1/1 red Devil creature tokens. They have “When this creature dies, it deals 1 damage to any target.”

Create a 1/1 red Dwarf creature token and a 1/1 green Elf creature token. If this spell was foretold, Dwarves and Elves you control get +1/+1 and gain haste until end of turn.
Foretell {2}{G} (During your turn, you may pay {2} and exile this card from your hand face down. Cast it on a later turn for its foretell cost.)

At the beginning of combat on your turn, you may exile an instant or sorcery card from your graveyard. If you do, another target Pirate or Rogue gains flying until end of turn.