msem-instigator

Menace
Whenever Lieshi Pariah deals combat damage, you lose that much life unless it's in a pack. (Two or more creatures you control with equal power are in a pack.)

Search your library for a creature card with mana value X or less, put it onto the battlefield, then shuffle.

When Life's Harbinger dies, you may put a +1/+1 counter on target creature you control.
{T}: Add {G}.

At the beginning of your upkeep, put a brush counter on Life's Work, exile cards from the top of your library until you exile a card with mana value greater than or equal to the number of brush counters on Life's Work, then put that card into your hand.

Untap up to two target lands you control. Those lands become the basic land type of your choice until end of turn.
Draw a card.

Whenever a +1/+1 counter is put on Lifeblood Leecher, target creature an opponent controls gets -1/-1 until end of turn.

{3}{G}: Put a +1/+1 counter on Lifecaller Dryad.

As an additional cost to cast this spell, discard a card.
Return target card from your graveyard to your hand.

Enchant creature
Enchanted creature has flying.
Whenever enchanted creature deals combat damage to a creature, you may untap enchanted creature.

Return target creature card from your graveyard to your hand. If you cast Lift Weary Heads from Rest from the graveyard, put it onto the battlefield instead.
Reconstruct {6}{B}{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.)

Target creature gets +X/+X and gains trample until end of turn, where X is the number of lands you control.
Fabled {4}{R}{G} (Then if you cast this for its fabled cost, put it onto the battlefield transformed attached to that creature.)

Activated abilities cost {1} more to activate unless they're mana abilities.

As an additional cost to cast this spell, tap X untapped creatures you control.
Lightning Chorus deals X damage to any target and you gain X life.

Lightning Strike deals 3 damage to any target.

Lightwalker has flying as long as it has a +1/+1 counter on it.

When Limbhacker Blade enters, each opponent discards a card.
Equipped creature gets +2/+0.
Equip {2}

When Lingering Guide enters, mill two cards.

Aura and Equipment spells you cast cost {1} less to cast.

Target player discards a card. If they can't, you draw a card and they lose 2 life.
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.)

Search your library for a card, then shuffle and reveal that card. Any opponent may have you put it into your graveyard. If a player does, draw a card. Otherwise, put it into your hand.

Once each turn, when a permanent is exiled from the battlefield by a spell or ability you control, you may draw a card.

Living Broadcast can't block.
Whenever you cast a spell from exile, you may return Living Broadcast from your graveyard to your hand.

{2}{B}, Exile Lizhao's Soulblade from your graveyard: Return target creature card from your graveyard to your hand. Activate only as a sorcery.

Each other creature you control that's an Elf or a Warrior gets +1/+1.
{2}, Sacrifice Llanowar Exemplar: Creatures you control gain indestructible until end of turn.