msem-instigator

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.)

Rouse 3. Untap target land. It gains flying and haste until end of turn if it's a creature. (Distribute three +1/+1 counters among permanents you control. If they aren't creatures, tap them and they become 0/0 creatures in addition to their other types.)

Whenever you cast a white spell, create a 1/1 white Nymph creature token.

Distorted (This creature can be blocked by tapped creatures but not untapped creatures.)
{W}, {T}: Lightbolt Archer deals 1 damage to target unblocked attacking creature.

Enchant creature you control
Enchanted creature gets +1/+1.
{1}{U}: Return Lightning Draw and enchanted creature to their owners' hands.

Lightning Strike deals 3 damage to any target.

Whenever another artifact you control enters, put a +1/+1 counter on Lightsteel Enforcer.

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

Creatures you control get +1/+1 until end of turn. Enchantment creatures you control gain vigilance until end of turn.
Flashback {4}{W} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

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

Lifelink
Attain {4}{W} ({4}{W}: Transform this. Spend at least three colors of mana to activate this, and only as a sorcery.)

When Limited Mortality enters, return up to one target creature card from your graveyard to your hand.
{1}{B}, Sacrifice Limited Mortality: Return target creature card from your graveyard to your hand. Activate only as a sorcery.

When Lingering Guide enters, mill two cards.

Destroy target artifact or land. If {U} was spent to cast Liquefaction, draw a card.

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

When Little Pig enters, if you control a land named Far-Off Lands, put two +1/+1 counters on it.

Reveal the top five cards of your library. Put a creature or enchantment card from among them into your hand. Put the rest on the bottom of your library in a random order.

When Lively Prop dies, look at the top three cards of your library. You may reveal a creature card from among them and put it into your hand. Put the rest into your graveyard.

Up to two target creature cards in your graveyard gain revive until end of turn. Their revive costs are equal to their mana cost. (Pay that creature's mana cost, Exile that card from your graveyard: Create a token that's a copy of it except it has no mana cost. Revive only as a sorcery.)

Whenever you cast a noncreature spell, you may have target player mill two cards. Then if a player has twenty or fewer cards in their library, put a +1/+1 counter on Living Atrocity.

As Living Sandstorm enters, choose predator or prey.
Whenever Living Sandstorm attacks,
• Predator — It gets +1/+1 until end of turn.
• Prey — Scry 2.

Whenever you draw a card, Living Script gets +1/+1 until end of turn.