msem-instigator

Equipped creature gets +2/+1.
Equip multicolored creature {1}
Equip {2}

As an additional cost to cast this spell, sacrifice a creature.
Torment target player three times. (They lose 3 life unless they discard a card or sacrifice a nonland permanent.)

At the beginning of your first main phase, exile target card in a graveyard. If it's a creature card, put a +1/+1 counter on target creature you control. If it's a land card, add {C}. If it's a noncreature, nonland card, you gain 3 life.

Deathtouch
Whenever a creature you don't control dies, choose one —
• Create a Treasure token.
• You draw a card and you lose 1 life.

Converge — Gain control of up to X target creatures with total mana value X or less, where X is the number of colors of mana spent to cast Alive and on Top.

[+1]: Until end of turn, All-Enduring Mafua becomes a 5/5 Cat Warrior creature with lifelink and indestructible. (He doesn't lose loyalty while he's not a planeswalker.)
[–2]: Exile target creature.
[–X]: Return each creature card with mana value X from your graveyard to your hand.

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.

Ambitious Ostrich has flying as long as you control a storied permanent. (Enchantments and legendary permanents are storied.)

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.

{3}, {T}: Ancient Artillery deals 1 damage to target creature or planeswalker and 1 damage to that permanent's controller.

({T}: Add {U}, {R}, or {W}.)
Ancient Dominion enters tapped.

The owner of target creature or planeswalker shuffles it into their library, then they may create two 1/1 blue Bird creature tokens with flying. If they don't, they reveal cards from the top of their library until they reveal a nonland permanent card, then they put that card onto the battlefield and shuffle the rest into their library.

Converge — You draw X cards and gain X life, where X is the number of colors of mana spent to cast Animus Vox.

Anomalion enters with a +1/+1 counter on it.
{1}{G}{W}: Permutate. (You may remove a counter from a creature you control. If you do, put two +1/+1 counters on a different creature you control.)

This spell can't be countered.
Draw a card for each different mana value among nonland permanents you control.

As Aparodist enters, choose a non-Human creature type.
Aparodist is the chosen type in addition to its other types.
{1}, {T}: Put a +1/+1 counter on each creature you control of the chosen type.

Draw three cards. You gain 3 life. Apex deals 3 damage to any target.

Counter target spell.
Look at the top three cards of your library. Put one on top and the rest on the bottom in any order.

Whenever you cast a noncreature spell, Architect of Calamity deals 2 damage to each opponent.

When Architect of the Derezzed enters, create two 1/1 colorless Servo artifact creature tokens.
Sacrifice an artifact: Target creature can't be blocked this turn.

You gain hexproof until end of turn. Permanents you control gain indestructible until end of turn.

{1}{G/W}: Put a +1/+1 counter on Artful Chari.
Whenever you cast an instant or sorcery spell, you may remove a number of +1/+1 counters from Chari equal to that spell's mana value. If you do, copy that spell, and you may choose new targets for the copy.

Creatures you control get +1/+1 until end of turn. You gain 3 life.
Memento {4}{W}{W} (You may cast this from your graveyard for {4}{W}{W}. If you do, put it onto the battlefield transformed after it resolves. Exile it if it would leave the battlefield or not resolve.)

Whenever a storied permanent you control enters, tap target creature an opponent controls. (Enchantments and legendary permanents are storied.)

When Atrocity of Flesh enters, destroy target nonland permanent.
When Atrocity of Flesh dies, you may exile it. If you do, return target card from your graveyard to your hand.