msem-instigator

Counter target spell, activated ability, or triggered ability. Its controller chooses draw step, main phase, or combat phase. That player skips each instance of the chosen step or phase during their next turn. (Mana abilities can't be targeted.)

Glitch {2} (Remove one [restriction] for each time you pay the glitch cost.)
Put target creature [spell] on top of its owner's library.

Flying
Heretic (Whenever you cast a spell that doesn't share a color with this creature, it gets +1/+1 until end of turn.)

Lost Station enters tapped.
{T}: Add {U}.
{U}{U}: Until end of turn, Lost Station becomes a 2/2 Horror creature with “This creature can't be blocked.” Activate only if you're horrific.

Target player discards two cards.

Put target nonland permanent on top of its owner's library.
Create a colorless artifact token named Lotus Petal with “{T}, Sacrifice this artifact: Add one mana of any color.”

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

Look at the top three cards of your library. Put one of them into your hand. Put Lost in Deep Storage and the rest on the bottom of your library in any order.

Enchant creature
Enchanted creature can't attack or block, and its activated abilities can't be activated.
Mirage {W/U} (You may cast this spell as though it had flash for its mirage cost. If you do, sacrifice it at the beginning of the next cleanup step.)

Exile target permanent. Return that card to the battlefield under its owner's control at the beginning of the next end step.

Creatures can't attack you or planeswalkers you control unless their controller pays 2 life for each of those creatures.

This spell costs {1} less to cast if you've cast another spell this turn.
Destroy target creature.

Play with the top card of your library revealed.
You may play the top card of your library.
At the beginning of your end step, create an X/X green and blue Plant Elemental creature token with reach, where X is the top card of your library's mana value.

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.

Enchant creature
When Lost to the Elements enters, if enchanted creature isn't in a pack, tap it. (Two or more creatures with the same controller and equal power are in a pack.)
Enchanted creature doesn't untap during its controller's untap step.

Lifelink
{B}, Sacrifice Lostrite Evoker: Add {B}{B}{B}.

First strike, haste
Whenever Lothaire attacks, create a 0/0 colorless Reflection creature token that's tapped and attacking. Creatures you control get +1/+1 until end of turn.
{2}{R}{W}: Put a +1/+1 counter on each creature you control.

Whenever Lotus Acolyte attacks, it gets +1/+0 and gains lifelink until end of turn.

{T}: Add {C}.
{2}, {T}, Sacrifice Lotus Barrens: Destroy target nonbasic land an opponent controls. You and that land's controller each create a colorless land token named Lotus Spring with “{T}: Add one mana of any color.”

When Lotus Debutante enters, create a colorless artifact token named Lotus Petal with “{T}, Sacrifice this artifact: Add one mana of any color.”
{3}{U}: Draw a card.

When Lotus Feaster enters, create a colorless artifact token named Lotus Petal with “{T}, Sacrifice this artifact: Add one mana of any color.”

Lotus Lake enters tapped.
{T}: Add {C}.
Landfall — {T}: Add one mana of any color. Activate only if a land you control entered this turn.

Whenever you cast a spell, if the number of petal counters on Lotus Mastery is less than the number of colors of mana spent to cast that spell, put a petal counter on Lotus Mastery and create a Treasure token. Then if there are five or more petal counters on it, sacrifice it and draw five cards.

Add three mana of any one color.

{T}, Mill a card: Add {B} or {G}.
Once each turn, when a creature you control dies or a creature card is put into your graveyard from anywhere other than the battlefield, each opponent loses 1 life.