msem-instigator

Whenever a creature dies, you may put a progress counter on Unorthodox Methods.
[progress 2-6] Whenever you cast a noncreature spell, Unorthodox Methods deals 2 damage to any target and you gain 2 life.
[progress 7+] Whenever you cast a noncreature spell, Unorthodox Methods deals 4 damage to any target and you gain 4 life.
Whenever you cast a noncreature spell, CARDNAME deals 4 damage to any target and you gain 4 life.

At the beginning of your upkeep, each player mills two cards, then reveals the top card of their library and puts it on the bottom of their library.

Trample
Defiance (Whenever this creature takes damage, if it survives and wasn't defiant, put a +1/+1 counter on it and it becomes defiant.)

Draw two cards, then discard two cards.

Draw two cards. Then target opponent may give themselves two poison counters. If they don't, draw two cards.
{1}, Discard Unravel Prophecy: Add one mana of any color. Scry 1.

Unreflected Cultist can't be blocked by Reflections.

Trample
Whenever Unruly Cannoneer crews a Vehicle, that Vehicle gets +1/+1 and gains trample until end of turn.

Haste
Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.)
Whenever Unruly Magus deals combat damage to a player, draw a card.

Target attacking creature fights another target attacking creature.

Search target player's graveyard and library for up to one card each and exile those cards. That player shuffles.
Agonize (You may cast this card from your graveyard by putting a -1/-1 counter on a creature you control in addition to paying its other costs. Then exile this card.)

All creatures get -2/-2 until end of turn. Add {B}{B}.

Trample (This creature can deal excess combat damage to the player or planeswalker it's attacking.)
Unstable Borer attacks each combat if able.

Reverberate {2}{R} (When you cast this spell, copy it if you paid its reverberate cost.)
Creatures your opponents control get -2/-0 until end of turn. If Unstable Experiment is reverberated, creatures you control get +1/+0 until end of turn.

Return target creature card from your graveyard to the battlefield with an additional -1/-1 counter on it.

Experience (Whenever this creature attacks, if it has fewer than three +1/+1 counters on it, put a +1/+1 counter on it.)
Unstoppable Weed gets +1/+1 for each +1/+1 counter on other creatures you control.

Whenever you cast a nongreen spell, creatures you control get +1/+1 until end of turn.
Wanderlust — When Untethered Disciple enters, if you control four or more differently named lands, create two 1/1 Scout creature tokens that are all colors.

Menace (This creature can't be blocked except by two or more creatures.)
Engage (This creature must be blocked each combat if able.)

For each land you control, you may return a land card from your graveyard to the battlefield tapped.

Look at target opponent's hand, then fateseal 1. (To fateseal 1, look at the top card of an opponent's library, then you may put it on the bottom of that player's library.)

Unwavering Questant can't block.
When an opponent fails a trial, return Unwavering Questant from your graveyard to the battlefield.

Disgraced 1 (This enters with a -1/-1 counter. Whenever it deals combat damage to a player, remove all -1/-1 counters from it.)
Attain {3}{W} ({3}{W}: Transform this. Spend at least three colors of mana to activate this, and only as a sorcery.)

At the beginning of each combat, harmonize twice. (To harmonize, trigger up to one harmony of a permanent you control.)
Harmony — Target creature gets +1/+1 and your choice of flying, haste, or vigilance until end of turn.

Whenever a creature dies, you may pay 1 life. If you do, draw a card.

({T}: Add {B} or {R}.)
Urban Wastelands enters tapped.
Cycling {2} ({2}, Discard this card: Draw a card.)

{4}{B}{B}: Return Urchin Defector from your graveyard to the battlefield transformed.