msem-instigator

{2}{G}: Loreweaver's base power and toughness each become equal to the number of cards in your graveyard until end of turn.

When Debt Dignitary enters, tap target nonland permanent. That permanent doesn't untap during its controller's untap step for as long as you control Debt Dignitary.

Bleed {2}{R} (You may cast this spell for its bleed cost if an opponent has lost life this turn.)
Target player loses 2 life. If this spell's bleed cost was paid, it deals 1 damage to each creature that player controls.

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.

Gain control of up to two target creatures until end of turn. Untap them. They gain haste until end of turn.
Menagerie — If there are five or more creature types among creatures you control, untap all creatures you control. Until end of turn, they gain “{T}: This creature fights another target creature.”

I, II — Target creature you control gets +2/+0 and gains menace until end of turn.
Discovery — Attacking creatures you control get +2/+0 and have menace.

Flying
{2}{U}: Switch target creature's power and toughness until end of turn.

Whenever you cast an instant or sorcery spell, you may attach Stormbreaker's Edge to target creature you control.
Equipped creature gets +3/+0.
Equip {3}

Return up to two target creature cards from your graveyard to your hand.

Attentive Glider gets +2/+2 and has flying as long as you cast an Adventure spell or a permanent you controlled explored this turn.

{T}: Add {G}, {W}, or {U}.
Cycling {2} ({2}, Discard this card: Draw a card.)

At the beginning of the next end step, create X 1/1 white Spirit creature tokens with flying, where X is the number of creatures that died this turn.
Reconstruct {2}{W}{B} (You may cast this from your graveyard for its reconstruct cost reduced by the mana value of a permanent you sacrifice as you cast it this way. Then exile this.)

Look at the top X cards of your library, where X is the number of instant and sorcery cards in your graveyard. You may reveal an instant or sorcery card from among them and put it on top of your library. Then put the rest on the bottom of your library in a random order.

Cards in graveyards, exile, and libraries lose all abilities and card types.

As long as you control five or more creatures, if you would create a token, you may instead create Hu Li, a legendary 4/4 white Fox Spirit creature token with flying and lifelink.

Trample
Whenever this creature attacks, you may tap another untapped Dwarf or Elf you control. If you do, create a Treasure token.

Haste
At the beginning of your end step, return Preying Mantis to its owner's hand.

{1}: Prototype Rice Thresher gets +1/-1 or -1/+1 until end of turn.

Target creature gets +1/+1 until end of turn for each creature you control.
Inscribe {3}{R} ({3}{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.)

Reach
Whenever another creature enters, untap Sylvan Subversive.

Creatures you control get +1/+0 until end of turn. (Then exile this card. You may play the land later from exile.)

Hexproof (This creature can't be the target of spells or abilities your opponents control.)

When Shara, Prime Geneticist enters, if X isn't 0, create two X/X green Mutant creature tokens.
[+1]: Surveil 2. At the beginning of your next end step, untap up to one permanent.
[–2]: Conjure a card named Test Run into your hand. (It's a sorcery that costs {X}{G} with “Create an X/X green Mutant creature token. Draw a card.”)
[–7]: Search your library for a card and put it into your hand. Repeat this process once for each token you control. Then shuffle.

Improve {1}{R} ({1}{R}: Put a +1/+1 counter on this creature. This costs {1} more to activate for each +1/+1 counter on it. Improve only as a sorcery.)
When Siegebreaker Ogre enters, create two 1/1 red Goblin creature tokens with haste.

When Hired Kalak enters, put target card from your graveyard on top of your library.