Whenever another nontoken creature you control enters, investigate.

, Sacrifice X Clues: Target opponent reveals the top X cards of their library. You may put a nonland permanent card with mana value X or less from among them onto the battlefield under your control. That player puts the rest on the bottom of their library in a random order.

: Looming Shade gets +1/+1 until end of turn.

Ward

At the beginning of your upkeep, exile the top X cards of your library, where X is the number of card types among other nonland permanents you control. You may play those cards this turn.

Flying, ward

Architect of Deception — When Lord of Change enters, draw three cards.

Flying

Wraiths you control have protection from Ring-bearers.

Whenever you cast an instant or sorcery spell, create a 3/3 black Wraith creature token with menace. Then if you control nine or more Wraiths, Wraiths you control have base power and toughness 9/9 until end of turn.

When Lord Skitter's Blessing enters, create a Wicked Role token attached to target creature you control. (Enchanted creature gets +1/+1. When this Aura is put into a graveyard, each opponent loses 1 life.)

At the beginning of your draw step, if you control an enchanted creature, you lose 1 life and you draw an additional card.

First strike

Magecraft — Whenever you cast or copy an instant or sorcery spell, Lorehold Pledgemage gets +1/+0 until end of turn.

Whenever you scry, put a verse counter on Lost Isle Calling.

, Exile Lost Isle Calling: Draw a card for each verse counter on Lost Isle Calling. If it had seven or more verse counters on it, take an extra turn after this one. Activate only as a sorcery.

When Lost Legion enters, scry 2. (Look at the top two cards of your library, then put any number of them on the bottom and the rest on top in any order.)

Undergrowth — When Lotleth Giant enters, it deals 1 damage to target opponent for each creature card in your graveyard.

Indestructible

Equipped creature gets +3/+3 and has vigilance and ", Sacrifice this creature: Add three mana of any one color."

Equip

Read ahead (Choose a chapter and start with that many lore counters. Add one after your draw step. Skipped chapters don't trigger. Sacrifice after III.)

I — You and target opponent each draw two cards.

II — Create a 1/1 white Bird creature token with flying.

III — Put a +1/+1 counter on each of up to two target creatures.

Artifacts, creatures, and lands your opponents control enter tapped.

Flash

Flying

When Loyal Gryff enters, you may return another creature you control to its owner's hand.

Defender, flying

Whenever you cast a white spell, Loyal Gyrfalcon loses defender until end of turn.

Flying

Whenever you cast an Adventure or Dragon spell, Lozhan, Dragons' Legacy deals damage equal to that spell's mana value to any target that isn't a commander.

Horsemanship (This creature can't be blocked except by creatures with horsemanship.)

Whenever Lu Xun, Scholar General deals damage to an opponent, you may draw a card.

Whenever Ludevic, Necrogenius enters or attacks, mill a card.

, Exile X creature cards from your graveyard: Transform Ludevic. X can't be 0. Activate only as a sorcery.

This spell costs less to cast if it targets a creature whose controller has eight or more cards in their graveyard.

Gain control of target creature with mana value X.

Vigilance

When Lumbering Battlement enters, exile any number of other nontoken creatures you control until it leaves the battlefield.

Lumbering Battlement gets +2/+2 for each card exiled with it.

: Until end of turn, you may look at face-down creatures you don't control any time.

Disguise (You may cast this card face down for as a 2/2 creature with ward . Turn it face up any time for its disguise cost.)

This spell costs less to cast for each counter among players and permanents.

Trample

Lumbering Megasloth enters tapped.

, : Target player draws a card, then discards a card. If that player discards an artifact card this way, untap Lumengrid Augur.

Flying

: Luminous Guardian gets +0/+1 until end of turn.

: Luminous Guardian can block an additional creature this turn.

Flying, trample

Basic landcycling (, Discard this card: Search your library for a basic land card, reveal it, put it into your hand, then shuffle.)

Escape—, Exile a land you control, Exile five other cards from your graveyard. (You may cast this card from your graveyard for its escape cost.)

Lunge deals 2 damage to target creature and 2 damage to target player or planeswalker.

: Add .

: Add . Spend this mana only to cast a creature spell.

, , Sacrifice Lupinflower Village: Look at the top six cards of your library. You may reveal a Bat, Bird, Mouse, or Rabbit card from among them and put it into your hand. Put the rest on the bottom of your library in a random order.

Formidable — : Target creature blocks Lurking Arynx this turn if able. Activate only if creatures you control have total power 8 or greater.

Whenever a creature you control explores, target creature an opponent controls gets -2/-2 until end of turn.

Flash

When Lurking Deadeye enters, destroy target creature that was dealt damage this turn.

Flying

Lurking Green Dragon can't attack unless defending player controls a creature with flying.

When an opponent has 10 or less life, if Lurking Jackals is an enchantment, it becomes a 3/2 Jackal creature.

Whenever an opponent casts a spell, reveal the top card of your library. If it's a creature card, put it onto the battlefield. Otherwise, you may put that card on the bottom of your library.

When a creature is put into an opponent's graveyard from the battlefield, if Lurking Skirge is an enchantment, Lurking Skirge becomes a 3/2 Phyrexian Imp creature with flying.

Equipped creature gets +1/+1 for each counter on it.

Equipped permanent isn't a planeswalker and is a creature in addition to its other types. (Loyalty abilities can still be activated.)

Equip planeswalker

Equip

Guardian Protocols — , Sacrifice Lychguard: Return all legendary creature cards from your graveyard to your hand.

Flying

First strike (This creature deals combat damage before creatures without first strike.)

Lifelink (Damage dealt by this creature also causes you to gain that much life.)

Other Angels you control get +1/+1 and have lifelink.

Whenever a creature you control with power 2 or less attacks, it gains skulk until end of turn. (It can't be blocked by creatures with greater power.)

Whenever a creature with power 4 or greater attacks you, its controller loses 2 life and you gain 2 life.

At the beginning of your end step, if Mad Dog didn't attack or come under your control this turn, sacrifice it.

Enchant player

Whenever enchanted player casts a noncreature spell, roll a d6. Maddening Hex deals damage to that player equal to the result. Then attach Maddening Hex to another one of your opponents chosen at random.

Enchant creature

Cumulative upkeep (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.)

At the beginning of the upkeep of enchanted creature's controller, Maddening Wind deals 2 damage to that player.

: Goad target creature. Whenever that creature attacks one of your opponents this turn, you draw a card. (A goaded creature attacks each combat if able and attacks a player other than you if able, until your next turn.)

: Note the name of target instant or sorcery card in your graveyard and put it onto the battlefield face down. It's a 3/3 creature with "Whenever this creature deals combat damage to a player, you may create a copy of the card with the noted name. You may cast the copy without paying its mana cost" and "If this creature would leave the battlefield, exile it instead of putting it anywhere else."

Whenever you commit a crime, create a tapped Treasure token. This ability triggers only once each turn. (Targeting opponents, anything they control, and/or cards in their graveyards is a crime.)

Sacrifice three Treasures: Create a 4/4 red Scorpion Dragon creature token with flying and haste. Activate only as a sorcery.

Whenever an opponent casts or copies an instant or sorcery spell, they lose 1 life.

, Discard a card at random: Mage il-Vec deals 1 damage to any target.

Equipped creature gets +2/+4 and loses flying.

Prevent all noncombat damage that would be dealt to equipped creature.

Equip (: Attach to target creature you control. Equip only as a sorcery.)