msem-instigator

Choose one—
• Return target creature to its owner's hand.
• Target creature gets +2/+0 and gains first strike until end of turn.
• Draw two cards, then discard a card at random.

Creatures can't attack you or planeswalkers you control unless their controller pays {X} for each of those creatures, where X is the number of Wizards you control.

Instant and sorcery spells you cast cost {1} less to cast.
Reprise and reverberate costs you activate cost up to {1} less.
Exile an instant or sorcery card from your graveyard: Add {U} or {R}. Spend this mana only to cast an instant or sorcery spell. Activate only once each turn.

Reverberate {2}{U} (When you cast this spell, copy it if you paid its reverberate cost. You may choose new targets for the copy.)
Target creature gets +0/+3 and gains hexproof until end of turn.

Glitch {2} (Remove one [restriction] for each time you pay the glitch cost.)
Lag Spike deals 3 damage to target [blocking] creature.

Vigilance
When Lagonna-Band Mentor enters, create a 1/1 white Soldier creature token.

Prevent all damage that would be dealt to you this turn. You gain 1 life for each creature you control.

Lair Recluse enters with a vigilance counter and a reach counter on it.
At the beginning of your upkeep, permutate. (You may remove a counter from a creature you control. If you do, put two +1/+1 counters on a different creature you control.)

First strike
When a creature scavenges Laiyru Huntsman, put a first strike counter on that creature.
Scavenge {2}{R} ({2}{R}, Exile this card from your graveyard: Put a number of +1/+1 counters equal to this card's power on target creature. Scavenge only as a sorcery.)

When Laiyru Lumberjacks dies, mill four cards, then return a land card from your graveyard to your hand.

{T}: Target land you control becomes the basic land type of your choice until end of turn.
At the beginning of each end step, if you spent three or more colors of mana to cast spells this turn, surveil 1.

Whenever Lakeside Trickster becomes tapped, up to one target creature phases out. (Treat it and anything attached to it as though they don't exist until its controller's next turn.)

Fleeting {2}{U} (You may cast this spell for its fleeting cost. If you do, sacrifice it at the beginning of the next end step.)
[+1]: Any number of other target nonland permanents lose all abilities until your next turn.
[0]: You may tap an untapped creature you control. If you do, draw two cards.
[–2]: Create a token that's a copy of target creature, except it loses all abilities until end of turn.

When Lammasu Roost enters, create a 2/2 blue Lammasu creature token with flying.
{3}{U}: Scry 1. (Look at the top card of your library. You may put that card on the bottom of your library.)

{T}: Add {R}.
Whenever you cast a spell from anywhere other than your hand, copy that spell. You may choose new targets for the copy.

Whenever Lampad of Anathemas or another enchantment you control enters, target creature an opponent controls gets -1/-1 until end of turn.

Choose one —
• Destroy target artifact. Lamplight Explosion deals 1 damage to each opponent.
• Lamplight Explosion deals 1 damage to each creature your opponents control.

{T}: Add {U}. Spend this mana only to activate an ability or cast an instant or sorcery spell.

Vigilance
Persist (When this creature dies, if it had no -1/-1 counters on it, return it to the battlefield under its owner's control with a -1/-1 counter on it.)

Gain control of target land.

Reveal the top four cards of your library. You may put a creature card and/or a land card from among them into your hand. Put the rest into your graveyard, then discard a card if two cards were put into your hand this way.

When Landbirth Elemental enters, you may search your library for a basic land card, reveal it, put it into your hand, then shuffle.

Landfall — Whenever a land you control enters, Landbound Connoisseur gets +1/+1 until end of turn, then you may have another target creature get +X/+X until end of turn, where X is Landbound Connoisseur's power.

When Landbound Ritualist enters, you may put a land card from your hand or graveyard onto the battlefield tapped.