msem-instigator

[+2]: Until end of turn, Helene Trant becomes a 4/4 Human Warrior creature with hexproof and trample that's still a planeswalker. Prevent all damage that would be dealt to her this turn.
[–2]: Draw two cards.
[–4]: You get an emblem with “Whenever one or more creatures you control deal combat damage to a player, draw a card.”

Whenever an opponent activates an ability of a permanent, if it isn't a mana ability, you gain 1 life and create a Gold token. (It's an artifact with “Sacrifice this artifact: Add one mana of any color.”)

Creatures with power greater than Dashing Rogue's power can't block it.

Counter target spell unless its controller pays {1}.

When Persecution Official enters the battlefield, choose a creature card name.
Cards with the chosen name can't be cast.

Target creature gets -3/-0 until end of turn. That creature's controller mills six cards.

Move all counters from target creature onto another target creature.

Whenever Inkwell Daggers enters the battlefield or attacks, proliferate. (Choose any number of permanents and/or players with counters on them, then give each another counter of each kind already there.)

At the beginning of each end step, Fretport's Fade deals 2 damage to each player that had one or more cards put into their graveyard this turn.

Put a -1/-1 counter on target creature. Purge the Harbor deals 1 damage to that creature's controller.

Target player loses 3 life.

Vanishing 3 (This permanent enters the battlefield with three time counters on it. At the beginning of your upkeep, remove a time counter from it. When the last is removed, sacrifice it.)
Remove a time counter from Dwindling Stores: Add one mana of any color.

Whenever you sacrifice another permanent, Fretport Mob gets +1/+1 and gains haste until end of turn.

Haste
When Inciting Bard enters the battlefield, other creatures you control get +1/+0 and gain haste until end of turn.

When Callow Survivors enters the battlefield, you may return target artifact or enchantment card with mana value 3 or less from your graveyard to the battlefield.

If one or more counters would be put on a permanent you control, you may have that many counters plus one or that many counters minus one put on that permanent instead.

Persist (When this creature dies, if it had no -1/-1 counters on it, return it to the battlefield under its owner's control with a -1/-1 counter on it.)

Delusional Noble enters the battlefield with a -1/-1 counter on it.

{1}: Put a -1/-1 counter on target creature you control. Untap that creature.

{1}, {T}, Move a -1/-1 counter from another creature onto Harried Apothecary: Each opponent loses 1 life and you gain that much life.

Flash
When Master of Disorientation enters the battlefield, you may choose new targets for target instant or sorcery spell. Then proliferate. (Choose any number of permanents and/or players with counters on them, then give each another counter of each kind already there.)

When Political Opportunist enters the battlefield, target player shuffles the cards from their hand into their library, then draws that many cards.

Draw two cards, then discard two cards.

Whenever a nontoken creature you control dies, create a 1/1 black and green Citizen creature token and you gain 1 life.

When Heedless Lovers enters the battlefield, you may return target Citizen card from your graveyard to your hand.
Persist (When this creature dies, if it had no -1/-1 counters on it, return it to the battlefield under its owner's control with a -1/-1 counter on it.)