msem-instigator

Equipped creature can't have -1/-1 counters put on it.
Equip {1}

Adorned — Plated Valiant gets +2/+2 as long as it's equipped and/or enchanted.

{T}, Tap an untapped creature you control: You gain 2 life.

If a player has lost life this turn, you may cast this spell as though it had flash.
Destroy target tapped creature.

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

As Port Town enters the battlefield, you may reveal a Plains or Island card from your hand. If you don't, Port Town enters the battlefield tapped.
{T}: Add {W} or {U}.

Flying
Play with the top card of your library revealed.
Spells cost {X} more to cast, where X is the mana value of the top card of your library.

At the beginning of your upkeep, exile the top card of each of your libraries.
Put X cards exiled with Possibility Matrix on the bottom of their owner's library: You may cast a nonland card exiled with Possibility Matrix with mana value X or less without paying its mana cost.

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 3
Whenever a time counter is removed from Prayers of Defiance, return target creature card from your graveyard to your hand.

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.)
Whenever a time counter is removed from Prayers of Judgement, each player loses 1 life and mills two cards.

Vanishing 3
Whenever a time counter is removed from Prayers of Release, you may put a -1/-1 counter on target creature.

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.

Destroy target creature with power 3 or greater.

Enchant land
Whenever enchanted land is tapped for mana, its controller adds an additional one mana of any color that land could produce.

{1}{W}, {T}, Sacrifice Prophet of Pacifism: Prevent all damage that would be dealt to players this 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.)

At the beginning of your upkeep, you gain 1 life.
Whenever one or more creatures attack you, you gain 1 life.

Target player can't cast spells this turn.
Fabled {2}{W}{U} (Then if you cast this for its fabled cost, put it onto the battlefield transformed attached to that player.)

Destroy target tapped creature. Scry 1. (To scry 1, look at the top card of your library. You may put that card on the bottom of your library.)

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

{G}: Exile target card from a graveyard. You gain 1 life and Purging Watchkeeper gets +1/+1 until end of turn.

Enchant creature
When Pursued Paranoia enters the battlefield, scry 1.
Enchanted creature can't block.

Enchant nonland permanent
Enchanted permanent can't attack and its activated abilities can't be activated.

Renown 1 (When this creature deals combat damage to a player, if it isn't renowned, put a +1/+1 counter on it and it becomes renowned.)
Rafter Stalker can't be blocked by creatures with greater power.