msem-instigator

{T}, Discard a card: Draw a card.

{T}: Add {C}.
{T}: Add {B}, {G}, or {U}. You can't spend this mana to cast a monocolored spell.

All damage that would be dealt to target creature you control this turn is dealt to another target creature you control instead. Both those creatures get +1/+1 until end of turn.
Flashback {1}{W} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Codex — Fox of the Orange Orchard; Sludge-Gill Fox; Thundermane Fox; Firemane Fox; Sun-Eyed Fox; Moon-Rune Fox; Leafcrowned Fox; Icecrowned Fox; Fae-Frill Fox. (As this enters, conjure its contents into a shuffled face-up additional library.)
You may spend mana as though it were mana of any color to cast this codex's contents.
Whenever a Fox you control enters, you gain 1 life.

Moonlight Curator has flying as long as it's embattled. (A creature is embattled if it has a counter on it or has a permanent you control attached to it.)

When Shizen, the Thousand Steps enters, draw a card, then choose a creature card name.
Creatures you control with the chosen name get +0/+1 and have hexproof.

When Fretport Bounty Hunter enters, scry 1.

Weeping Lotus enters with five petal counters on it.
At the beginning of your upkeep, remove a petal counter from Weeping Lotus. If you do, create a colorless artifact token named Lotus Petal with “{T}, Sacrifice this artifact: Add one mana of any color.”

Shuffle any number of cards from your graveyard into your library.
Scry 1, then draw a card.

Vigilance
If you would take a combat phase or a main phase, take the other instead.
{U/B}, Pay 1 life: Untap target creature you control.

At the beginning of each player's upkeep, that player may pay {2} or 2 life. If they don't, they return a permanent they control to its owner's hand.

Search your library for a basic land card, reveal it, put it into your hand, then shuffle. Mill three cards.

Whenever Strict Instructor attacks, harmonize. (Trigger up to one harmony of a permanent you control.)
Harmony — Tap or untap another target permanent.

Tap up to one target nonbasic permanent. It doesn't untap during its controller's next untap step.
Coalesce {5}{U} (You may cast this from your graveyard for {5}{U}. If you do, it enters as a Horror creature after it resolves. Exile it if it would leave the battlefield or not resolve.)

When Possibility Scope enters, search your library for a land card, exile it, then shuffle.
{T}: Target land you control becomes a copy of a land card exiled with Possibility Scope until end of turn.

Golden age (If you cast an instant or sorcery spell, activated a nonmana ability, and attacked this turn, enter a renaissance for this game.)
Return target creature card from your graveyard to the battlefield. If it was put there from the battlefield this turn, create a token that's a copy of it. If you're in a renaissance, create a token that's a copy of it.

Flying
Tribute 2 (As this creature enters, an opponent of your choice may put two +1/+1 counters on it.)
When Tireless Vulture enters, if tribute wasn't paid, each opponent loses 3 life. You gain life equal to the life lost this way.

When Grim Procession enters, create two 2/2 black Zombie creature tokens.
{2}{B}: Surveil 1. (Look at the top card of your library. You may put that card into your graveyard.)

When Sahra Poet-Priest enters, create a Treasure token. (It's an artifact with “{T}, Sacrifice this artifact: Add one mana of any color.”)
{R}: Sahra Poet-Priest gets +1/+0 until end of turn.

Whenever a creature you control dies, you may search your library for an enchantment card or a card with fabled, reveal it, put it into your hand, then shuffle.

Counter target spell with no subtypes. Surveil 1. (Look at the top card of your library. You may put that card into your graveyard.)

Whenever you cast a noncreature spell, Wild Pyromancer gets +1/+1 until end of turn.
Whenever Wild Pyromancer attacks, you may pay {2}{R}. If you do, transform Wild Pyromancer.

Cast this spell only if you have 10 or less life or if you control six or more lands.
All creatures get -5/-5 until end of turn.

When Library Infiltrator enters, target creature can't be blocked by creatures with lesser power this turn.
Whenever one or more creatures you control deal combat damage to a player or planeswalker, draw a card.

Draw a card. Create a Treasure token. (It's an artifact with “{T}, Sacrifice this artifact: Add one mana of any color.”)