msem-instigator

{T}: Target attacking or blocking creature gets +1/+1 until end of turn.

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.)

Enchant creature
Enchanted creature can't attack or block.
{2}{U}: Return Whiplash and enchanted creature to their owners' hands.

Enchant creature
When Awash in Despair enters the battlefield, tap enchanted creature.
Enchanted creature doesn't untap during its controller's untap step.

When Boneweary Warrior dies, you may put a -1/-1 counter on target creature.

Whenever a player casts a spell, each opponent mills a card.

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

Defender
When Dispossessed Noble enters the battlefield, draw a card.

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.)
Creatures get -1/-0.
{1}{W}: You gain 1 life for each time counter on Dwindling Peace.

Return all nonland permanents to their owners' hands.

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.)
Whenever a time counter is removed from Evade the Authorities, you may return target creature to its owner's hand.

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 the last time counter is removed from Exquisite Heist, draw three cards.

Target creature can't be blocked this turn.
Proliferate. (Choose any number of permanents and/or players with counters on them, then give each another counter of each kind already there.)

When Fretport Bounty Hunter enters the battlefield, scry 1.

{2}{U}: Each player mills three cards.
{3}{B}, Discard a card: Return target creature card from your graveyard to your hand. Proliferate. (Choose any number of permanents and/or players with counters on them, then give each another counter of each kind already there.)

Whenever another creature enters the battlefield, Masquerading Bohemian becomes a copy of that creature except it's a Noble in addition to its other types and it has this ability.

Return target nonland permanent to its owner's hand. That player mills two cards.

Draw three cards, then put two cards from your hand on top of your library in any order.

When Morose Bohemian enters the battlefield, scry 1, then draw a card.

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

Scry 2, then draw two cards. (To scry 2, look at the top two cards of your library, then put any number of them on the bottom of your library and the rest on top in any order.)

Vanishing 5 (This permanent enters the battlefield with five time counters on it. At the beginning of your upkeep, remove a time counter from it. When the last is removed, sacrifice it.)
Players play with the top card of their libraries revealed.
Whenever a time counter is removed from Precarious Ledgers, you may have target player mill a card.

Enchant permanent
Whenever a counter is removed from enchanted permanent, you may put a counter of that type on another target permanent.

Counter target spell. Tap all lands that spell's controller controls and that player loses all unspent mana.

Reveal the top five cards of your library. Put one of those cards into your hand. Target opponent chooses two of those cards. Exile the chosen cards, then put the rest into your hand.