msem-instigator

Indestructible
As long as your devotion to red and green is less than seven, Klothys isn't a creature.
Spells you cast can't be countered.
At the beginning of combat on your turn, you may have another target creature you control assign its combat damage this turn as though it weren't blocked.

At the beginning of your end step, if an opponent lost life this turn, Kogane the Crimson Consort deals 2 damage to each opponent and you gain 2 life.

First strike
Distorted (This creature can be blocked by tapped creatures but not untapped creatures.)
{6}, {T}: Search your library for a creature card with distorted, put it onto the battlefield, then shuffle.

Creatures you control have protection from legendary. (Those creatures can't be blocked, targeted, dealt damage, or enchanted by anything legendary.)

Flying
Whenever you cast a spell, exile the top card of your library.
At the beginning of your end step, put a card exiled with Korephyr, Riddle Sage into its owner's hand. Put each other card exiled with Korephyr on the bottom of its owner's library in a random order.
{3}{U/B}: Scry 2.

Play with the top card of your library revealed.
You may cast creature spells from the top of your library. You may cast Centaur spells this way without paying their mana costs.

Other creatures you control get +1/+1.
When Kotis, Promised General dies, you may return it to its owner's hand.

Whenever you cast a creature spell, 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.”)
Whenever you sacrifice an Idol, draw a card.

Haste
When Kragnoss, Rebellion Commander enters the battlefield, create a 1/1 red Goblin creature token.
Whenever a Goblin you control attacks, Kragnoss, Rebellion Commander deals 1 damage to target creature defending player controls.

Flying
Whenever an opponent discards a card, you may exile it. If you do, create a 1/1 black Bird creature token with flying and “This creature can't block.”
{B}, Sacrifice three Birds: You may cast a card exiled with Krahen, Dusk's Call without paying its mana cost.

Bestow {1}{G}{W}{U} (If you cast this card for its bestow cost, it's an Aura spell with enchant creature. It becomes a creature again if it's not attached to a creature.)
Krikam, the Wanderer and enchanted creature have protection from nonenchanted creatures.

Indestructible
As long as your devotion to green and blue is less than seven, Kruphix isn't a creature.
Spells you cast from anywhere other than your hand cost {2} less to cast.
At the beginning of your upkeep, if there are no cards exiled with Kruphix, exile the top card of your library face down. You may look at and play that card for as long as it remains exiled.

{3}{B}{B}: Return target Zombie creature card from your graveyard to the battlefield.
Whenever another creature enters the battlefield under your control from a graveyard or you revive a creature token, that creature gets +2/+0 and gains haste and menace until end of turn.

(Transcend as a sorcery to gain that type and a +1/+1 counter.)
When Kui Mu Lang enters the battlefield, exile a card from your graveyard. When you do, Kui Mu Lang deals damage equal to that card's mana value to up to one target creature or planeswalker.
{2}{R}: Demigod
Exile your hand, then draw three cards.
{4}{R}{R}: God
Cast any number of cards exiled with Kui Mu Lang without paying their mana costs.

This spell costs {1} less to cast for each creature type among creature cards in your graveyard.
Deathtouch
{1}{B}, Exile any number of creature cards from your graveyard with five or more different creature types among them: Search your library for a card, put it into your hand, then shuffle. Activate only as a sorcery.

Flash
Spirited (When this creature enters the battlefield, you may activate one of its activated abilities without paying its cost.)
{1}: Remove target attacking creature you control from combat and untap it.

Whenever an opponent casts a noncreature spell, put a +1/+1 counter on target creature you control.

Vigilance
Whenever another creature you control attacks, put a +1/+1 counter on it if it has less than 4 power. Otherwise, it gains first strike and trample until end of turn.

Kuyen, Moon Spirit can't attack or block unless there are ten or more cards in your graveyard.
At the beginning of each opponent's end step, create two Food tokens. Then you may pay 3 life. If you do, surveil 3, then draw two cards.
When Kuyen dies or is put into exile from the battlefield, you may put her into her owner's library third from the top.

Whenever a creature token you control deals combat damage to an opponent, it deals that much damage to each other opponent.
At the beginning of combat on your turn, you may sacrifice another creature. If you do, create a 2/2 red, white, and black Knight creature token with haste.

Vigilance
Whenever you cast a creature or planeswalker spell, draw a card.
Lands you control have “{T}: Add {C}{C}.”

At the beginning of each opponent's draw step, that player draws an additional card, then discards a card.
Whenever an opponent discards a card, you draw a card and you gain 1 life.

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.