msem-instigator

Kaur, End of Lies costs {X} less to cast, where X is the greatest mana value among permanents your opponents control.
[+2]: Reveal the top card of your library. If it's a permanent card, put it onto the battlefield.
[–4]: Exile target noncreature permanent, then reveal the top four cards of your library. You may put a permanent card from among them onto the battlefield. Put the rest into your graveyard.
[–12]: Search your library for up to X permanent cards, where X is the number of permanents you control, put them onto the battlefield, then shuffle.

{1}{G}: Keen Seafarer voyages. (If it isn't blocking or targeted by another spell or ability, it phases out.)
Whenever Keen Seafarer phases in, put a +1/+1 counter on it.

When Keeper of Pearls enters or a creature scavenges it, you gain 2 life.
Scavenge {G} ({G}, 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.)

Ward {2}
Whenever one or more Auras you control enter for the first time each turn, adjudicate. (Create a white enchantment Aura token with enchant creature and “Sacrifice this token: Untap enchanted creature.” attached to target creature.)
Keeper of Secret Havens gets +1/+1 for each Aura you control.

When Keeper of the Ancient Ways enters, destroy up to three target noncreature, nonland artifacts and/or enchantments with total mana value 3 or less.

Enchant land you control
When Kelp Garden enters, mill three cards.
Whenever enchanted land is tapped for mana, add one mana of any color among cards in your graveyard.

Nonbasic landwalk (This creature can't be blocked as long as defending player controls a nonbasic land.)
Art of war — At the beginning of your end step, if Kenshiro's Cavalry dealt damage to an opponent this turn, put a +1/+1 counter on it.

Equipped creature gets +2/+2.
Art of war — At the beginning of your end step, if equipped creature dealt damage to an opponent this turn, untap up to three target lands you control.
Equip {2}

At the beginning of combat on your turn, untap target land. If that land is an Animus, it becomes a creature and gains haste until end of turn.

Play with the top card of your library revealed.
You may play lands from the top of your library.
At the beginning of your upkeep, if you control fifteen lands with different names, you win the game.

Reach
When Kindly Greatwood enters, you gain 5 life and draw a card.

When Kinsang Butcher enters, create a Treasure token.
{1}, Sacrifice an artifact or another creature: Put a +1/+1 counter on Kinsang Butcher. Activate only as a sorcery.

If a counter would be put on another creature you control, you may put an additional counter of that kind on Kinsang Spiritualist.
Scavenge {4}{G} ({4}{G}, 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.)

Enchant Forest
When Kiss of the Dryad enters, you gain 3 life and draw a card.
Enchanted land has “{T}: Add one mana of any color.”

When Kizoku Valiant enters or dies, you gain 2 life.
Art of war — At the beginning of your end step, if Kizoku Valiant dealt damage to an opponent this turn, put a +1/+1 counter on it.

Reach
When Klothys's Lookout enters, choose one —
• You gain 3 life.
• Exile target card from a graveyard.
• Return target land card from your graveyard to your hand.

Knight of the Olive Orchard can't be blocked by more than one creature.

Whenever Knight of the Verdigris deals combat damage to a player, you may sacrifice it. If you do, search your library for a green legendary creature card, reveal it, put it into your hand, then shuffle.

Enchant creature
When Knight's Daring enters, put two +1/+1 counters on enchanted creature.
Whenever enchanted creature deals combat damage to a player, put a +1/+1 counter on each creature you control with a +1/+1 counter on it.

Stampede — Whenever Knotvine Preserver and a creature with greater power attack, until end of turn, attacking creatures you control gain “When this creature dies, return it to its owner's hand.”

Whenever Knotweald Ambassador becomes the target of a spell or ability an opponent controls, choose one —
• Knotweald Ambassador deals damage equal to its power to target creature or planeswalker that player controls.
• Draw a card.

Trample
Other creatures you control have trample.
{5}{G}{G}: Creatures you control get +2/+2 until end of turn.

{T}: Add {G} or one mana of any color among cards in your graveyard.

Melee (Whenever this creature attacks, it gets +1/+1 until end of turn for each opponent you attacked this combat.)
At the beginning of combat on your turn, Knotwood Lumberer gains your choice of vigilance or trample until end of turn.

Trample
Whenever Komurk Harvester or another creature you control dies, draw cards equal to that creature's power.