msem-instigator

Flying
Other Dragons you control have haste.
{R}: Dragons you control get +1/+0 until end of turn.

First strike
Whenever a creature you control with power 4 or greater attacks, you may pay {1}{R}. When you do, target creature gets +3/+2 and gains trample until end of turn.

Bleed {1}{B}{R} (You may cast this spell for its bleed cost if an opponent has lost life this turn.)
At the beginning of each end step, if an opponent lost life this turn, draw two cards, then discard a card at random.

[+1]: Tap up to one target nonland permanent. It doesn't untap during its controller's next untap step, and its activated abilities can't be activated until it becomes untapped.
[–4]: Target player skips their next untap step.
[–8]: Exile all tapped permanents.

When Lady Ilyrana Jhalach enters, create two 1/1 black and green Elf Warrior creature tokens with reach.
{G}, Tap an untapped Elf you control: Target Elf creature gets +2/+2 until end of turn.
{1}{B}, Tap two untapped Elves you control: Target non-Elf creature gets -2/-2 until end of turn.

Menace
Whenever a nontoken creature you don't control dies, create a token that's a copy of that creature except it's a colorless Spirit. Exile it at the beginning of your next end step.

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.

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.

Transcend (Activate as a sorcery to gain the next type and a +1/+1 counter.)
Your opponents can't cast spells during your turn.
{W}{U}: Demigod — Until your next turn, whenever an opponent draws a card, you may draw a card.
{4}{W}{U}: God — If it isn't an extra turn, take an extra turn after this one. Untap all permanents you control at the beginning of that turn's end step.

Whenever an opponent attacks, exile Last Offer. If you do, target opponent sacrifices an attacking creature and you return another enchantment card from your graveyard to your hand.

Whenever a nontoken creature you control dies, you may exile it. If you do, create a token that's a copy of it except it is an enchantment. (It still has its abilities, but it's not a creature or other types.)

When Lay Bare Ambitions enters, if it was cast, target opponent reveals their hand. Choose a nonland card from it. That player discards that card.
If a spell or ability an opponent controls would cause them to draw one or more cards, instead sacrifice Lay Bare Ambitions and they skip those draws.

Whenever a creature you control dies, you may pay {G}. If you do, draw a card.

At the beginning of your upkeep, target player draws a card and loses 1 life. Each other player creates a colorless artifact token named Lotus Petal with “{T}, Sacrifice this artifact: Add one mana of any color.”

Lazhu, Whisperflame Seer enters with your choice of a trample or +1/+1 counter on him.
Whenever a creature in Lazhu's pack deals damage to a player or planeswalker, draw a card. (Two or more creatures you control with equal power are in a pack.)

When Leads Don't Die enters, mill four cards and you gain 4 life.
At the beginning of your upkeep, you may exile X cards from your graveyard and sacrifice Leads Don't Die. When you do, return target creature card with mana value X or less from your graveyard to the battlefield.

Once each turn, when a player loses life, you may harmonize. (Trigger up to one harmony of a permanent you control.)
Harmony — Each opponent loses 1 life and you gain that much life.

Whenever a non-Spirit creature you control dies, you may create a token that's a copy of that creature except the token is a Spirit in addition to its other types and has haste.

All creatures have haste and attack each combat if able.
{1}{R}: Led by Fury deals 1 damage to target attacking creature.

Enchant player
At the beginning of enchanted player's upkeep, that player loses 1 life and you gain 1 life.

Breach (Whenever this deals combat damage to a player, you may have it become an Aura Curse until your next turn. Attach it to that player.)
Once during each of your turns, you may cast a spell with mana value 3 or less that targets a cursed opponent or a permanent a cursed opponent controls by paying life equal to its mana value rather than its mana cost.

When Leery Sortie enters, create two 1/1 green Scout creature tokens.
{R}, Sacrifice Leery Sortie: Target creature can't block this turn.