msem-instigator

Equipped creature has hexproof.
{2}: Exile equipped creature. Return it to the battlefield under its owner's control at the beginning of the next end step.
Equip {1}

Flying
Whenever an artifact you control leaves the battlefield, scry 1.

Flying
Whenever Archon of Inspiration attacks, add three mana in any combination of colors at the beginning of your next main phase.

Whenever Knight of the Raven deals combat damage to a player, you may sacrifice it. If you do, search your library for a black legendary creature card, reveal it, put it into your hand, then shuffle.

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.

Flash
When Ascetic of Imbalance enters, draw two cards, then discard two cards. If you discarded two cards that don't share a type, Ascetic of Imbalance deals 2 damage to any target.

Exile target card from a graveyard. Create a 1/1 black Worm creature token.
Fuse (You may cast one or both halves of this card from your hand.)

Scry 2, then draw two cards. You lose 2 life.

Cryptic Reef enters tapped.
{T}: Add {G} or {U}.
{2}{G}{U}, {T}, Sacrifice Cryptic Reef: Draw a card.

Look at target opponent's hand. You may exile a noncreature, nonland card from it. For as long as that card remains exiled, its owner may cast it. A spell cast this way costs {2} more to cast.
Draw a card.

Enchant creature
When this enchantment enters, surveil 2.
Enchanted creature gets +2/+2 and has lifelink.

Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.)
Whenever you cast a noncreature spell, target creature can't block this turn.

Reveal the top three cards of your library. You may put a land card from among them onto the battlefield tapped, then you may put a creature card from among them into your hand. Put the rest on the bottom of your library in any order.

When Feathered Dancer enters, up to three target creatures can't block this turn.

Create an X/X green and blue Plant creature token, where X is the number of differently named lands you control.

{1}{B}: Blightcaller Shaman gains deathtouch until end of turn.

Defender
Andazir Elite can attack as though it didn't have defender as long as it's equipped.

Distorted (This creature can be blocked by tapped creatures but not untapped creatures.)
Whenever a Reflection you control becomes the target of a spell, draw a card.

Each player mills four cards.
Coalesce {5}{U}{U} (You may cast this from your graveyard for {5}{U}{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 A Vision Too Vast enters, you may cast target noncreature, nonland card with mana value 4 or less from a graveyard without paying its mana cost.

{2}, Exile a card with a cycling ability from your graveyard: Draw a card.
Cycling {3}{G} ({3}{G}, Discard this card: Draw a card.)
When you cycle Foregone Ancestries, you may exile it. If you do, return target card with a cycling ability from your graveyard to your hand.

Archive 5 (As this enters, shuffle the top five cards of your main library into a new face up library. Sacrifice this after the archived library is empty.)
Sacrifice a land: Put a card from the archived library into your hand.

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.)
I, II — Audition for black. (Create a 1/1 Construct Actor creature token, a Cleric Role giving 2/2 and lifelink, or a Warlock Role giving 2/1 and flying. Roles replace older ones.)
III — Until end of turn, if a creature you don't control would die, instead exile it and that creature's controller loses 2 life.
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Equipped creature gets +2/+0.
Equipped creature has first strike as long as it's attacking.
Equip {2}