msem-instigator

Whenever you draw a card, put a quest counter on Lockdown.
As long as there are three or more quest counters on Lockdown, creatures with power 3 or greater don't untap during their controller's untap steps.

Target creature gets +2/+2 until end of turn.
Fabled {3}{G}{G} (Then if you cast this for its fabled cost, put it onto the battlefield transformed attached to that creature.)

Menace
Lonely Devil can't attack or block alone.

{2}{G}: Put a +1/+1 counter on Lonesome Ravager.
Ride {G} ({G}: Transform this and attach it to target creature you control without a Steed. Ride only as a sorcery.)

Mentor (Whenever this creature attacks, put a +1/+1 counter on target attacking creature with lesser power.)

Flying
When Lord Rokai becomes the target of a spell, sacrifice it.
Whenever you cast an instant or sorcery spell, you may pay {2}{U}. If you do, return Lord Rokai from your graveyard to the battlefield.

When Loresprout enters, if you control another creature, draw a card.

(Activate each ability only once as a sorcery. You gain the realm's favor after activating them all.)
{G}: You may play an additional land this turn.
{1}{G}: Search your library for a basic Forest card, reveal it, put it into your hand, then shuffle.
{2}{G}: Search your library for an Elf card, reveal it, put it into your hand, then shuffle.
Favor — Whenever you cast an Elf spell, draw a card.

When Lost Kitten leaves the battlefield, create a 1/1 white Peasant creature token.

Enchant opponent
When Lost Knowledge enters, enchanted player reveals their hand.
{1}, Sacrifice Lost Knowledge: Scry 2, then draw a card.

Target creature gets +2/+2 until end of turn. Untap it.

Put target artifact or enchantment with mana value less than or equal to the number of basic lands you control on the bottom of its owner's library.

Cadence (Whenever you cast a spell, if its mana value is greater than this creature's power, put a +1/+1 counter on this creature.)
{1}{R}, Remove a +1/+1 counter from Lt. Daisy Saxon: She deals 2 damage to target player or planeswalker.

Look at the top three cards of target player's library. Put one back and exile the rest.
Coalesce {5}{U} (You may cast this from your graveyard for {5}{U}. If you do, it enters as a Horror creature after it resolves. Exile it if it would leave the battlefield or not resolve.)
Whenever Lurk at Vision's Edge attacks, defending player exiles the top five cards of their library.

Put a +1/+1 counter on target creature. It can't be blocked this turn.(Cast a copy of this spell once while this creature is on the battlefield.)

Create a tapped Treasure token.
Memento {2}{B}{B} (You may cast this from your graveyard for {2}{B}{B}. If you do, put it onto the battlefield transformed after it resolves. Exile it if it would leave the battlefield or not resolve.)

As an additional cost to cast this spell, discard a card or pay {2}.

Whenever you cycle a card, scry 1. (Do this before you draw.)
{W}{U}{B}{R}{G}, Sacrifice Maelstromancy: Return up to three target cards with cycling abilities from your graveyard to your hand.

Target creature you control gains hexproof until end of turn. Scry 1.

Magma Spray deals 2 damage to target creature. If that creature would die this turn, exile it instead.

As an additional cost to cast this spell, sacrifice a land and discard a card.
Draw three cards.

Target creature gains haste until end of turn. Make an Entrance deals 2 damage to up to one target creature.

Search your library for an Equipment card, reveal it, put it into your hand, then shuffle. (Then exile this card. You may cast the creature later from exile.)

Enchant creature
Enchanted creature gets -X/-X, where X is 1 plus the number of counters on it.

Haste
Whenever Malformed Mongrel deals combat damage to a player, discard a card.