msem-instigator

Whenever Lha Maria blocks a creature, change Lha Maria's base power and toughness to that creature's power and toughness

[+2]: Create two 0/0 colorless Reflection creature tokens.
[–2]: Distribute four +1/+1 counters among any number of target creatures you control. You may tap or untap each of those creatures.
[–7]: You get an emblem with “Creature tokens you control can't leave the battlefield.”

[+1]: Until your next turn, another target non-Aura permanent becomes a land with “{T}: Add one mana of any color” and loses all other card types and abilities.
[–2]: Create a 1/1 blue Spirit creature token with flying. Draw a card.
[–7]: You get an emblem with “At the beginning of your end step, create a 6/6 green and blue Spirit Warrior creature token with trample named Echo of Lhosei.”

Equipped creature has double strike.
Whenever equipped creature attacks, create an Idol token. (It's an artifact with “{1}, Sacrifice this artifact: Put a +1/+1 counter on target creature. Activate only as a sorcery.”)
Abilities of Idols you control that target equipped creature cost {1} less to activate.
Equip {2}{W}

[+2]: Scry 2, then you may draw a card. If you don't, Liactru Stormheart deals 2 damage to any target.
[–4]: Create a 4/4 blue and red Elemental creature token. It gains flying, vigilance, and haste until end of turn.
[–10]: For each player, create a token that's a copy of target permanent that player controls. You get an emblem with “Permanents you control have hexproof.”

Trample
Lian Taizi gets +1/+1 for each card in your hand.
When Lian Taizi enters, return any number of target cards with different mana values from your graveyard to your hand.

{X}{W}{W}: Prevent the next X damage that would be dealt to target creature you control this turn. Whenever damage is prevented this way, you gain that much life.

When Lie in Ambush enters, create a tapped 3/3 green Beast creature token.
When Lie in Ambush leaves the battlefield, you may have target creature you control fight target creature you don't control. (Each deals damage equal to its power to the other.)

When Life from Death enters, create a Vial token. (It's an artifact with “{1}, Sacrifice this and another permanent: Draw a card. Activate only during your turn.”)
Whenever a nontoken creature you control dies, create a 1/1 green Saproling creature token.

Enchant creature
Enchanted creature gains +X/+X, where X is your life total.
When enchanted creature dies, shuffle Life's Will into its owner's library.

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.

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

Whenever you gain life for the first time each turn, each opponent loses 2 life.

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

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

Haste
You may cast sorcery and enchantment spells as though they had flash.
Whenever you cast an enchantment, instant, or sorcery spell, Lightning-Fast Lionfish gets +1/+0 and gains first strike until end of turn.

{T}, Pay 1 life: Add {B}.
{7}{B}{B}, Exile Ligos, Shadow's Source from your hand: Destroy all creatures you don't control. They can't be regenerated.

Flying
If Liguno, Who Transcends All or another permanent you control would be put into a graveyard from the battlefield, exile it instead. Return that card to the battlefield under its owner's control at the beginning of the next end step.

Hexproof from spells cast from a graveyard
If a creature you control would die and that creature was the target of an instant or sorcery spell this turn, you may put it on top of its owner's library instead.

Lijing has indestructible as long as you control two or more other Foxes.
At the beginning of your upkeep, invigorate 1 another Fox. (Choose another Fox with the least power among other Foxes you control and put a +1/+1 counter on it.)
Once each turn, when another Fox you control enters, you may pay {1}. If you do, draw a card.

Vigilance
Lijing has indestructible as long as a Fox you control entered this turn.
Whenever an opponent draws a card, draw a card unless that player has you create a 2/1 red and white Fox creature token.

Vigilance
Whenever Lijing, the True Divinity or another nontoken creature you control enters, choose one —
• Create a 1/1 white Fox Spirit creature token.
• Invigorate 1. (Choose a creature with the least power among creatures you control and put a +1/+1 counter on it.)

First mate — Each nonland card in your starting deck has “+1/+1 counter” or “harmonize” in its printed rules text. (If this card outside the game is your chosen first mate, you may swap it with a card in your opening hand.)
Once each turn, if one or more +1/+1 counters would be put on a permanent you control, you may put twice that many of those counters on it instead.
Once each turn, if you would trigger a harmony ability of a permanent you control, you may have that ability trigger twice instead.

At the beginning of your end step, put a -1/-1 counter on each creature you control.
[+1]: Create two 2/2 black Zombie creature tokens.
[0]: Whenever a creature dies this turn, you draw a card and you lose 1 life.
[–4]: Target opponent gets an emblem with “At the beginning of your end step, put a -1/-1 counter on each creature you control.”

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.