msem-instigator

When Polgek Artisan enters, create an X/X colorless Juggernaut artifact creature token, where X is the number of artifacts and enchantments you control.

When Polgek Restorationist enters, you may return target artifact, enchantment, or planeswalker card from your graveyard to your hand.

Whenever Polgek Songcrafter attacks, other attacking creatures you control get +1/+0 until end of turn. If you control five or more attacking creatures, choose up to one target creature the defending player controls. That creature can't block this turn.

This spell can't be countered.
Polis's Demise deals 5 damage to each creature. Destroy all artifacts.

Whenever a land enters under an opponent's control, that player loses 2 life and you gain 2 life.

Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.)
Whenever you cast an instant or sorcery spell, up to one other target creature has base power and toughness 0/2 until end of turn.

({T}: Add {W} or {U}.)
Pool of Light enters tapped unless you control a basic Plains or a basic Island.

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

[+1]: Create a 1/1 green Merfolk creature token.
[0]: Target artifact or creature loses all abilities and becomes a green Seal creature with base power and toughness 3/3.
[–6]: Up to five target noncreature permanents lose all abilities and become green Merfolk creatures with base power and toughness 1/1.

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.

At the beginning of each upkeep, if it's an extra turn, end the turn.
If a player would search a library, that player searches the top four cards of that library instead.

Flash
Flying
When Powder Scatterer enters, exile target noncreature spell. Its controller draws a card.

You may put a card you own from outside the game into your hand. Add {B}{B}. You may cast only one more spell this turn. Exile Power From Beyond.

(Activate each submodule once as a sorcery. When this enters, activate one submodule for free.)
{B}{B}{B}: Ambitous
Search your library for a card, put it into your hand, then shuffle. You lose 3 life.
{B}{B}{B}: Ruthless
Destroy target creature or planeswalker.
{B}{B}{B}: Determined
Power Module gains “At the beginning of your upkeep, you draw a card and you lose 1 life.”

Flash
Enchant creature you control
Enchanted creature gets +3/+3 and has lifelink and indestructible.

When Powercell Cultivator enters, create a tapped colorless Powercell artifact token with “{T}: Add {C}.”
Artifacts you control have “{T}: Add one mana of any color.”

When Powercell Engineer enters, create a tapped colorless Powercell artifact token with “{T}: Add {C}.”

As Prairie Monastery enters, you may tap an untapped creature you control. If you don't, Prairie Monastery enters tapped.
{T}: Add {G} or {W}.

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

Look at target opponent's hand. You may exile a noncreature, nonland card from it. For as long as that card remains exiled, its owner may cast it. A spell cast this way costs {2} more to cast.
Draw a card.

Converge — Precursor Sentinel enters with a +1/+1 counter on it for each color of mana spent to cast it.
Remove a +1/+1 counter from Precursor Sentinel: It deals 1 damage to any target.

Flying
Cards in graveyards lose all names, card types, and abilities.
Spells and abilities your opponents control can't cause you to sacrifice Manticores.

If one or more +1/+1 counters or quest counters would be put on a permanent you control, that many plus one of those counters are put on it instead.

Creatures you control gain deathtouch until end of turn and must be blocked this turn if able.

Harmony — Exile another target creature until Pretentious Performer leaves the battlefield.
When Pretentious Performer enters, harmonize. (Trigger up to one harmony of one permanent you control.)