msem-instigator

If a permanent you control with mana value 5 or greater entering causes a triggered ability of a permanent you control to trigger, that ability triggers an additional time.

Whenever you cast a noncreature spell, you may pay {1}. If you do, scry 2. (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.)

If you would draw one or more cards, you may have each player draw an additional card.
Spells cost {1} less to cast if a player cast a spell this turn.

Wu Xing (Add effects based on the number of colors of mana spent to cast this spell.)
1 | Counter target permanent spell. If that spell is countered this way, exile it instead of putting it into its owner's graveyard.
3 | You gain life equal to its mana value.

Draw two cards.
Memento {5}{U}{U} (You may cast this from your graveyard for {5}{U}{U}. If you do, put it onto the battlefield transformed after it resolves. Exile it if it would leave the battlefield or not resolve.)

Wanderlust — This spell has flash as long as you control four or more differently named lands.
Draw four cards.

{T}: Scry 1.
{1}{U}, {T}: Draw a card.

Enchant creature you control
Enchanted creature gets +1/+1 and has hexproof and “{T}: Target player mills two cards.”
Whenever you play a land, untap enchanted creature.

I, II — Draw a card.
Discovery — Noncreature spells you cast cost {1} less to cast.

Whenever you cast a noncreature spell, you may put a progress counter on Wunderkind Devising.
[progress 1+] At the beginning of your upkeep, reveal the top three cards of your library. Put each artifact card from among them into your hand and the rest into your graveyard.
[progress 4+] Artifacts you control are artifact creatures with base power and toughness 5/5.
Artifacts you control are artifact creatures with base power and toughness 5/5.

Foretell {1}{U}{U} (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.)
Counter target spell. If this spell was foretold, draw a card.

Foretell {2}{U}{U} (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.)
Choose one. If this spell was foretold, you may choose both instead —
• Draw three cards, then discard two cards.
• The owner of target nonland permanent puts it on the top or bottom of their library.

Enchant creature
When Yenzu Puppeteering enters, draw a card.
{1}{U}: Untap enchanted creature.

This spell costs {1} less to cast for each instant and sorcery card in your graveyard.
[+1]: Create a 2/2 blue Elemental Illusion creature token with flying and “Whenever this becomes the target of a spell, sacrifice it.”
[–3]: Return up to one other target nonland permanent to its owner's hand. Draw a card.

As an additional cost to cast this spell, sacrifice an artifact.
Draw three cards.

Target creature gets -2/-0 until end of turn. If that creature is tapped, draw a card.

Whenever you foretell a card or cast a foretold spell, you draw a card and you lose 2 life.

I, II, III — Target creature gets -X/-X until end of turn, where X is the number of lore counters on A Grave Sentence.
IV — Target opponent loses 1 life for each creature card in their graveyard.
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Each opponent loses X life and you gain X life, where X is the number of Illusions you control.
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.)

(Add a quest counter as this enters. Sacrifice after 3.)
Whenever you attack, add a quest counter.
Mill a card, then create a 1/1 black Peasant creature token.
Each player sacrifices a creature.
Monument {2}{B}{B} (You may cast this transformed from your graveyard for its monument cost. Exile it if it would leave the battlefield or not resolve.)

Reprise {3}{B} (As you cast an instant or sorcery spell, you may exile one card with reprise from your graveyard and pay its reprise cost. If you do, add its effects to that spell.)
This spell deals 2 damage to target creature. You gain life equal to the total damage dealt by this spell.

Harvest (You may tap any number of creatures you control as you cast this spell. If you do, reduce this spell's mana cost by their total power.)
For each nonland permanent target player controls, that player sacrifices it unless they pay X life.

All creatures get -4/-4 until end of turn. If a creature would die this turn, exile it instead.

Destroy target creature or planeswalker.
Crystallize. (Put a +1/+1 counter on a creature you control or create a Treasure.)

Return target creature card from your graveyard to the battlefield.
Fuse (You may cast one or both halves of this card from your hand.)