msem-instigator

Whenever a land enters the battlefield under your control, create a 1/1 red Elemental creature token. Then if you control three or more Elementals, exile Aleryn, Trapseeker, then return him to the battlefield transformed under his owner's control.

Menace
At the beginning of your upkeep, put a prize counter on target permanent you don't control.
Whenever a permanent with a prize counter on it is put into a graveyard from the battlefield, return it to the battlefield under your control.

Menace
Whenever a creature blocks, put a -1/-1 counter on that creature at end of combat.
Creatures with -1/-1 counters on them can't block.

Flying, first strike, vigilance, trample, lifelink
{4}: Put a +1/+1 counter on Alin and Meva, Warqueens.

Flying
Whenever a creature enters the battlefield under an opponent's control, you may pay {1}{B}. If you do, 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.)

First mate—At least half the cards in your starting deck are lands. (If this card outside the game is your chosen first mate, you may swap it with a card in your opening hand.)
Trample
{1}, Discard a land card: Put a +1/+1 counter on Alvarez. He deals 1 damage to any target.

Distorted (This creature can be blocked by tapped creatures but not untapped creatures.)
If a spell or ability would target you, it targets each player instead.
Whenever an opponent attacks you with one or more creatures, tap all noncreature permanents that player controls.

At the beginning of each other player's upkeep, draw a card, then discard a card unless you have Am'atambi, Fable Weaver deal 3 damage to you.
You may reveal creature cards as you draw them. Once each turn, when you reveal a creature card this way, you may pay {3}. If you do, create a token that's a copy of it, except it's 3/3.

Trample
Whenever a Warrior you control dies, it deals 1 damage to any target.

Lifelink
At the beginning of each end step, if you gained life this turn, you may pay {W/B}. If you do, create a 1/1 white Spirit creature token with flying.

When Amira, Grand Inventor enters the battlefield, create a 1/1 colorless Construct Artificer artifact creature token. If you control six or more artifacts, create a 6/6 colorless Golem artifact creature token instead.
Artifact tokens you control have all activated abilities of other artifact tokens you control.

Amleth, Royal Claimant can't be blocked by creatures with power 3 or less.
At the beginning of your end step, if you control three or more tapped creatures, create a 4/4 white Angel creature token with flying and vigilance. Otherwise, create a 1/1 white Soldier creature token.

Flying
{1}{W}{U}: Submerge another target creature. When An and En, Destined Souls leaves the battlefield, turn that creature face up. (To submerge a card, exile it, then put it on the battlefield face down under its owner's control as a 2/2 creature.)

If another multicolored card would be put into your graveyard from anywhere other than your hand or library, if no cards exiled with An'yama, Elder Guardian are exactly that card's colors, you may instead exile that card and put a +1/+1 counter on An'yama.
As long as An'yama has four or more counters on them, they have protection from everything.

Haste
Frenzy 3 (Whenever this creature attacks and isn't blocked, it gets +3/+0 until end of turn.)
Whenever Anaz, Bloodmother attacks, create a 2/1 red Lizard creature token with frenzy 2 that's tapped and attacking.

At the beginning of each end step, if you drew and/or discarded six or more cards this turn, return Anemothrys, Reefcrown from your graveyard to the battlefield.
Cycling {R}{G} ({R}{G}, Discard this card: Draw a card.)

First strike, haste
At the beginning of each end step, if a player lost life this turn, put a +1/+1 counter on Animara, Last of the Fell.

As Animus, Life's Entropy enters, choose a color.
You and Animus each have hexproof from the chosen color.
Attain {6} ({6}: Transform this. Spend at least three colors of mana to activate this, and only as a sorcery.)

Whenever another nontoken creature enters the battlefield under your control, create a 1/1 green Saproling creature token.
{1}{G}, {T}: Populate. (Create a token that's a copy of a creature token you control.)

Indestructible
Whenever Anku the Primordial attacks, defending player sacrifices an artifact, a creature, an enchantment, and a land.

Reach, trample
When Anran, Root Steward enters the battlefield, destroy up to three target noncreature permanents. For each permanent destroyed this way, its controller creates a colorless enchantment land token named Paradise with hexproof and “{T}: Add one mana of any color.”

Flash
Flying
Once during each of your opponent's turns, when you cast a spell, you may pay {1}{U/R}. If you do, copy it. You may choose new targets for the copy. (If it's a permanent spell, the copy becomes a token.)

Antu, Sun Spirit can't attack or block unless you control ten or more permanents.
As long as it's your turn, other creatures you control get +X/+0 and have haste, where X is the amount of life you've gained this turn.
When Antu dies or is put into exile from the battlefield, you may put him into his owner's library third from the top.

[0]: Choose up to one target creature. You may put two +1/+1 counters on it, a +1/+1 counter on it and a loyalty counter on Aoia, Monarch of Beauty, or two loyalty counters on Aoia.
[–2]: Exile target creature, then return it to the battlefield. For each kind of counter on it before it left, put that many of that kind of counter on it.
[–9]: You get an emblem with “If an effect would put one or more counters on a permanent you control, it puts five times that many of those counters on that permanent instead.”
Aoia can be your commander.

Other creatures you control can't attack or block alone.