msem-instigator

Chronicle (As this enters and after your draw step, add a lore counter. Stop after III.)
[Lore I-II] Another target creature you control gets +1/+1 until end of turn.
[Lore III] Search your library for a basic land card, put it onto the battlefield, then shuffle.

Reveal cards from the top of your library until you reveal a land card, then put that card onto the battlefield tapped. You may put another card revealed this way on top of your library. Put the rest of the cards revealed this way on the bottom in a random order.

Each creature you control with power 4 or greater can't be blocked by creature tokens.

Sprout Hermit can't attack unless you control a creature with power 4 or greater.
Attain {3}{G} ({3}{G}: Transform this. Spend at least three colors of mana to activate this, and only as a sorcery.)

Experience (Whenever this creature attacks, if it has fewer than three +1/+1 counters on it, put a +1/+1 counter on it.)
Whenever a +1/+1 counter is put on a creature you control, target creature gains trample until end of turn.

Draw a card. Scry 2.
Orchestrate {U} (You may exile this card from your hand anytime you could cast a sorcery for its orchestrate cost. When you next resolve a spell, you may cast this from exile without paying its mana cost.)

Target creature gains haste until end of turn. That creature attacks or blocks this turn if able.

Flying
Whenever you foretell a card or cast a foretold spell, you may scry 1.

Defender
Prismatic — Whenever you cast a multicolored spell, Squall Serpent gets +1/+1 until end of turn and can attack this turn as though it didn't have defender.

Gain control of target nonland permanent. The player that controlled it creates a 3/3 blue Squid creature token.

This spell has flash as long as you control a Monk.
When Ssytai enters, return target spell or creature you don't control to its owner's hand.

Counter target artifact or sorcery spell.

Equipped creature gets +1/+1.
At the beginning of combat on your turn, choose flying, first strike, vigilance, trample, or haste. Equipped creature gains that ability until end of turn.
Equip {2}

{1}, {T}: Untap target creature.

Enchant creature or enchantment
Enchanted permanent doesn't untap during its controller's untap step.
Enchanted permanent can't have counters put on it.

Destroy target attacking creature with mana value 3 or less.

As Stained Reliquary enters, choose a card type.
{T}: Target player exiles a card from their graveyard of the chosen type.
{2}, Exile Stained Reliquary: Exile all graveyards. Create a tapped 1/1 white Spirit creature token with flying.

Put a +1/+1 counter on target creature. (Then exile this card. You may cast the creature later from exile.)

You draw X cards and you lose X life, where X is the number of cards in your hand.

Whenever a creature enters under your team's control, reveal the top card of your library. If it's a creature card, you gain 2 life.

Lifelink
When Stalked Healer enters, investigate. (Create a colorless Clue artifact token with “{2}, Sacrifice this artifact: Draw a card.”)

Flash
When Stalker in the Mist enters, up to one target creature gets -1/-0 until end of turn.

Bloodprice {2}{U} (You may cast this card by sacrificing a creature and paying its bloodprice.)

Menace
Stalker of Myth gets +1/+0 for each creature you control with chronicle.
{2}, Remove a counter from a permanent you control: Draw a card, then discard a card.

Voracious 2 (As this enters, you may sacrifice up to two artifacts and/or creatures. This creature enters with that many +1/+1 counters on it.)
Each creature you control with a +1/+1 counter on it has trample.