msem-instigator

When Journey through Moranai enters, draw a card, then choose a creature card name.
Creatures you control with the chosen name have haste and “{R}: This creature gets +1/+0 until end of turn.”

When Journey through Odaya enters, draw a card, then choose a creature card name.
Creatures you control with the chosen name can't be blocked.

When Journey through Uwaito enters, draw a card, then choose a creature card name.
Whenever a creature you control with the chosen name dies, each opponent discards a card.

Look at the top four cards of your library. You may put a land card from among them onto the battlefield tapped. Put the rest into your graveyard.

When Journey to the Otherworlds enters, draw a card, then choose a creature card name.
Whenever a creature you control with the chosen name attacks, you may aetherize it. (To aetherize, create a token that's a copy of it, then exile that token.)

When Journey to the Syzygy Spire enters, draw a card, then choose a creature card name.
Whenever a creature you control with the chosen name deals combat damage to a player, draw a card.

When Journey to the Zhedina enters, draw a card, then choose a creature card name.
Whenever a creature with the chosen name you control deals damage to a player, put a +1/+1 counter on it.

Put target creature or planeswalker on the bottom of its owner's library. Its controller may scry 1.

Vigilance

Whenever a land you control enters, create a 1/1 colorless Servo artifact creature token.
{4}{G}{W}: Put a +1/+1 counter on each creature you control. They gain trample until end of turn.

Archive 3 (As this enters, shuffle the top three cards of your main library into a new face up library. Sacrifice this after the archived library is empty.)
Whenever you draw a card from the archived library, you exile up to one target creature. Return that card to the battlefield under its owner's control at the beginning of the next end step.

Choose target attacking or blocking creature. Scry 3, then reveal the top card of your library. Judge Unworthy deals damage equal to that card's mana value to that creature.

Spirited (When this creature enters, you may activate one of its activated abilities without paying its cost.)
{1}, {T}: Choose a nonland card name. Reveal the top three cards of your library and put each revealed card with that name into your hand. Put the rest into your graveyard.

At the beginning of each player's upkeep, that player may sacrifice a creature. If they don't, they discard a card.

{1}{R}: Exile the top card of your library. If it's a creature card, you may play it until the end of your next turn.
{4}{W}: Put two +1/+1 counters on target creature.

Return target creature card from your graveyard to your hand. (Then exile this card. You may cast the creature later from exile.)

Juvenile Boa gets +2/+0 as long as you control a legendary creature.

(Choose only one work as a sorcery to add its ability.)
When Juyu Offering Pool enters, reveal the top five cards of your library. You may put a noncreature card from among them into your hand. Put the rest on the bottom of your library in any order.
{1}{U}: Scales of Shara
Whenever you cast a noncreature spell, put a +1/+1 counter on target creature you control.
{6}{U}{U}: Eye of Shojiro
Whenever you cast a noncreature spell, create an 8/8 blue Kraken creature token.

Prismatic — Whenever you cast a multicolored spell, target player mills two cards.

Exile up to one target creature or planeswalker with mana value 3 or less. Then if this spell was foretold, target opponent chooses a creature or planeswalker they control. You gain control of that permanent.
Foretell {3}{U}{U}{B} (During your turn, you may pay {2} and exile this card from your hand face down. Cast it on a later turn for its foretell cost.)

When Kahroba Patrol dies, you may search your library for a basic land or Satrapy card, reveal it, put it into your hand, then shuffle.

Engorge (As this enters, mill three cards, then exile a card from among the milled cards.)
Whenever an instant or sorcery card you own is exiled from anywhere, you gain 1 life.

Creature spells you cast with power 4 or greater cost {1} less to cast.

When Kaleidostone enters, draw a card.
{5}, {T}, Sacrifice Kaleidostone: Add {W}{U}{B}{R}{G}.

Destroy target artifact.
Inscribe {2}{R} ({2}{R}: Exile this card from your hand inscribed on a creature you control. Whenever that creature attacks, its controller may cast a copy of the inscribed card without paying its mana cost. Inscribe only as a sorcery.)