msem-instigator

You control each opponent during your turn.
[+2]: Draw two cards. Each opponent discards two cards.
[–2]: Target player sacrifices a creature.
[–8]: Create thirteen tapped 1/1 black Skeleton creature tokens. Take an extra turn after this one.

Flying (This creature can't be blocked except by creatures with flying or reach.)
Whenever Lord Jared, the Griffin Knight attacks, put a +1/+1 counter on each other attacking creature you control.

Creatures can't attack Lord Rickard Dawson unless their controller pays 2 life or discards a card for each creature they control that's attacking him.
[+1]: Create a tapped Treasure token, then you may pay {1}. If you do, each opponent discards a card.
[+1]: You may sacrifice an artifact. When you do, Lord Rickard Dawson deals 3 damage to any target and you gain 3 life.
[–7]: Each opponent gets an emblem with “At the beginning of your end step, if it's not an extra turn, take an extra turn after this one. Target opponent controls you during that turn.”

Prowess
Whenever you cast a noncreature spell, noncreature spells you cast cost {1} less to cast until end of turn.

Deathtouch
Artifacts and creatures your opponents control have “At the beginning of your upkeep, you lose 1 life unless you tap this permanent and have an opponent gain control of it.”

Menace
When Lord of Decay enters, put a -1/-1 counter on it and each creature you don't control.

Flying, trample
When Lord of Sacrilege enters, each opponent loses 3 life, discards a card, then sacrifices a nonland permanent. If you control three or more Demons and/or Warlocks, instead each opponent loses 6 life, discards two cards, then sacrifices two nonland permanents.

Flying (This creature can't be blocked except by creatures with flying or reach.)
When Lord of Swarms enters or dies, target creature gets -2/-2 until end of turn.

Create four 1/1 red and white Warrior creature tokens.

Rapport — Whenever Lord's Handmaiden and at least one other creature you control become tapped, tap up to one target creature and remove it from combat.

Exile the top three cards of your library. For each land card exiled this way, create a colorless artifact token named Lotus Petal with “{T}, Sacrifice this artifact: Add one mana of any color.” Until the end of your next turn, you may cast nonland cards exiled this way.

Instant, sorcery, and legendary spells you cast cost {1} less to cast.

{2}{G}: Loreweaver's base power and toughness each become equal to the number of cards in your graveyard until end of turn.

Return target nonland permanent to its owner's hand.
Dominance — If you control the creature with the greatest power or tied for the greatest power, you may put that permanent on top of its owner's library instead.

Exile up to one target creature or planeswalker. Its controller gains life equal to its mana value.
Orchestrate {W} (You may exile this card from your hand any time you could cast a sorcery for its orchestrate cost. When you next resolve a spell, you may cast this from exile without paying its mana cost.)

Counter target spell. Create a 1/1 blue Elemental creature token with flying.

When Lost Crew enters or dies, crystallize. (Put a +1/+1 counter on a creature you control or create a Treasure.)

Heretic (Whenever you cast a spell that doesn't share a color with this creature, it gets +1/+1 until end of turn.)
{1}{B}: Lost Dancer becomes black and gains lifelink until end of turn.

When Lost Empire's Legacy enters, create two Treasure tokens.
{1}, {T}, Sacrifice an artifact: Return target artifact card from your graveyard to your hand.

Lost Explorer has first strike as long as it's attacking.
{1}{B}, Exile Lost Explorer from your graveyard: Crystallize. (Put a +1/+1 counter on a creature you control or create a Treasure.)

Choose two —
• You gain 3 life.
• Lost Memories deals 3 damage to any target.
• Investigate. (Create a colorless Clue artifact token with “{2}, Sacrifice this artifact: Draw a card.”)

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.)

Target player discards two cards.

Exile target nonland permanent.

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.”