msem-instigator

Enchant player
At the beginning of enchanted player's end step, they lose 2 life unless they discard a card.

Flash
{3}, Exile this card from your graveyard: Draw a card.

When Truthseeker Prodigy enters, amass Soldiers 2. Then target player mills X cards, where X is the amassed Army's power. (To amass Soldiers 2, put two +1/+1 counters on an Army you control. It's also a Soldier. If you don't control an Army, create a 0/0 black Soldier Army creature token first.)

The next time you cast an instant or sorcery spell this turn, copy that spell. You may choose new targets for the copy.
Acquiesce (If you cast this spell from your hand, exile it as it resolves. When one or more creatures you control deal combat damage to an opponent, you may cast this card from exile without paying its mana cost.)

Activated abilities of sources you don't control can't be activated unless they're mana abilities.

Instant and sorcery spells you cast cost {1} less to cast.

Hexproof

Once during each of your turns, when you sacrifice a permanent, you may have target opponent lose 3 life unless they sacrifice a nonland permanent or discard a card.

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.)

Flying
Resolute — At the beginning of combat on your turn, Vivid Griffin gains lifelink until end of turn if its power is greater than its base power.

Descended Meadow enters tapped.
{T}: Add {G} or {U}.
Morph {2} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.)

Trample
Canyon Agamid can't block creatures with power 2 or less.

Destroy target creature or planeswalker. (Then exile this card. You may cast the sorcery later from exile.)

Flying
Suisei the Southern Star gets +1/+1 for each comet counter you have.
Whenever you cast an instant or sorcery spell with mana value greater than the number of comet counters you have, you may pay {R}. If you do, return Suisei from your graveyard to the battlefield, then you get a comet counter.

Finale of Cinders deals 2 damage to any target. For each instant and sorcery card in your graveyard, you may pay {R}. Whenever you do, Finale of Cinders deals 2 damage to any target.

When Condemned Cavalier enters, create a white and black Aura Curse enchantment token named Profane March attached to target player. The token has enchant player and “Whenever a creature enchanted player controls attacks, that player loses 1 life and defending player gains 1 life.”

Prevent all combat damage that would be dealt this turn.
Create a Vial token. (It's an artifact with “{1}, Sacrifice this and another permanent: Draw a card. Activate only during your turn.”)

Spend only mana produced by Treasures to cast spells.
{2}, Discard a card: Create two Treasure tokens.

Regenerate target creature. (The next time that creature would be destroyed this turn, it isn't. Instead tap it.)

When Sylvan Explorer enters, reveal the top card of your library. If it's a land card, put it onto the battlefield tapped.

Flash
{1}, {T}: Scry 1.

Menace
Whenever Hope Wrangler attacks, target attacking creature with lesser power gains menace until end of turn.

Flying, lifelink

Deathtouch, lifelink
If a creature would die, exile it instead.
Lotusheart Gorran has all activated and triggered abilities of creature cards exiled with it.

Deathtouch
When Waking Pollution enters, you may move all counters from target permanent onto Waking Pollution.