Converge — Kaleidoscorch deals X damage to any target, where X is the number of colors of mana spent to cast this spell.

Flashback (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Each player may reveal any number of creature cards from their hand. Then each player creates a 2/2 green Bear creature token for each card they revealed this way.

Flying

Soulshift 5 (When this creature dies, you may return target Spirit card with mana value 5 or less from your graveyard to your hand.)

Flying

Whenever Kami of the Honored Dead is dealt damage, you gain that much life.

Soulshift 6 (When this creature dies, you may return target Spirit card with mana value 6 or less from your graveyard to your hand.)

At the beginning of your upkeep, sacrifice Kami of the Tended Garden unless you pay .

Soulshift 3 (When this creature dies, you may return target Spirit card with mana value 3 or less from your graveyard to your hand.)

Flying, vigilance

Whenever Kangee, Sky Warden attacks, attacking creatures with flying get +2/+0 until end of turn.

Whenever Kangee blocks, blocking creatures with flying get +0/+2 until end of turn.

Ninjutsu

Kappa Tech-Wrecker enters with a deathtouch counter on it.

Whenever Kappa Tech-Wrecker deals combat damage to a player, you may remove a deathtouch counter from it. When you do, exile target artifact or enchantment that player controls.

: Add .

: Return target legendary creature to its owner's hand.

Enchant creature

When Karametra's Favor enters, draw a card.

Enchanted creature has ": Add one mana of any color."

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.)

I — You may sacrifice a creature. When you do, Kardur's Vicious Return deals 3 damage to any target.

II — Each player discards a card.

III — Return target creature card from your graveyard to the battlefield. Put a +1/+1 counter on it. It gains haste until your next turn.

Vigilance

Permanents your opponents control can't be turned face up during your turn.

Whenever you attack with three or more creatures, creatures you control get +1/+1 until end of turn.

Magecraft — Whenever you cast or copy an instant or sorcery spell, put a +1/+1 counter on target creature you control.

Karoo enters tapped.

When Karoo enters, sacrifice it unless you return an untapped Plains you control to its owner's hand.

: Add .

Tap an untapped snow land you control: Karplusan Giant gets +1/+1 until end of turn.

Karplusan Strider can't be the target of blue or black spells.

Legendary Snakes you control have shroud. (They can't be the targets of spells or abilities.)

Whenever Kashi-Tribe Elite deals combat damage to a creature, tap that creature and it doesn't untap during its controller's next untap step.

Flying

: Regenerate Kathari Remnant.

Cascade (When you cast this spell, exile cards from the top of your library until you exile a nonland card that costs less. You may cast it without paying its mana cost. Put the exiled cards on the bottom in a random order.)

When Kavu Howler enters, reveal the top four cards of your library. Put all Kavu cards revealed this way into your hand and the rest on the bottom of your library in any order.

Kavu Runner has haste as long as no opponent controls a white or blue creature.

Target creature gets +1/+1 and gains double strike until end of turn.

Foretell (During your turn, you may pay and exile this card from your hand face down. Cast it on a later turn for its foretell cost.)

Kazandu Refuge enters tapped.

When Kazandu Refuge enters, you gain 1 life.

: Add or .

Kazuul's Cliffs enters tapped.

: Add .

: Attach target Equipment you control to Kazuul's Toll Collector. Activate only as a sorcery.

Enchant creature

Whenever enchanted creature deals damage to an opponent, you may draw a card.

Flying (This creature can't be blocked except by creatures with flying or reach.)

When Keen-Eyed Raven enters, put a +1/+1 counter on another target creature you control.

When Keensight Mentor enters, put a vigilance counter on target non-Human creature you control.

, : Put a +1/+1 counter on each creature you control with vigilance.

, : Choose target opponent who controls more creatures than you do as you activate this ability. Create a 2/2 green Beast creature token.

, : Choose target opponent who has at least two fewer creature cards in their graveyard than you do as you activate this ability. Destroy target nonblack creature that player controls.

, : Choose target opponent who has more life than you do as you activate this ability. You gain 3 life.

Deathtouch

: Monstrosity 1. (If this creature isn't monstrous, put a +1/+1 counter on it and it becomes monstrous.)

When Keepsake Gorgon becomes monstrous, destroy target non-Gorgon creature an opponent controls.

: Prevent the next 2 damage that would be dealt to target creature this turn.

Haste

Echo (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay its echo cost.)

When Keldon Champion enters, it deals 3 damage to target player or planeswalker.

Keldon Warlord's power and toughness are each equal to the number of non-Wall creatures you control.

: Untap another target permanent you control.

: Tap target permanent. Activate only if you control eight or more lands.

Vigilance

Kemba's Legion can block an additional creature each combat for each Equipment attached to Kemba's Legion.

Homunculus Servant — When Kenku Artificer enters, put three +1/+1 counters on up to one target noncreature artifact. That artifact becomes a 0/0 Homunculus artifact creature with flying.

Double strike; bushido 2 (Whenever this creature blocks or becomes blocked, it gets +2/+2 until end of turn.)

, Sacrifice three other artifacts and/or creatures: Look at the top three cards of your library. Put two of them into your hand and the other into your graveyard.

Partner (You can have two commanders if both have partner.)

When Kessig Malcontents enters, it deals damage to target player or planeswalker equal to the number of Humans you control.

: Transform Kessig Prowler.

, , Sacrifice Keys to the House: Search your library for a basic land card, reveal it, put it into your hand, then shuffle.

, , Sacrifice Keys to the House: Lock or unlock a door of target Room you control. Activate only as a sorcery.

At the beginning of each end step, put a +1/+1 counter on Khabál Ghoul for each creature that died this turn.

When Khalni Gem enters, return two lands you control to their owner's hand.

: Add two mana of any one color.

Trample

Other creatures you control have trample.

Whenever a creature you control with toughness 4 or greater dies, each opponent loses 2 life and you gain 2 life.

, Sacrifice another creature: Put a +1/+1 counter on Kheru Bloodsucker.

Destroy target nonblack creature.

Gotcha — If an opponent says "kill" or "destroy," you may say "Gotcha" When you do, return Kill Destroy from your graveyard to your hand.

: Killer Whale gains flying until end of turn.

Lifelink

Menace (This creature can't be blocked except by two or more creatures.)

Spells you cast that target a creature cost less to cast.

Whenever Kiln Walker attacks, it gets +3/+0 until end of turn.