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

Cumulative upkeep—Flip a coin. (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.)

Whenever you win a coin flip, Karplusan Minotaur deals 1 damage to any target.

Whenever you lose a coin flip, Karplusan Minotaur deals 1 damage to any target of an opponent's choice.

Whenever Karplusan Wolverine becomes blocked, you may have it deal 1 damage to any target.

Defender

As long as Karsus Depthguard's power is 5 or greater, it can attack as though it didn't have defender.

When Kathril, Aspect Warper enters, put a flying counter on any creature you control if a creature card in your graveyard has flying. Repeat this process for first strike, double strike, deathtouch, hexproof, indestructible, lifelink, menace, reach, trample, and vigilance. Then put a +1/+1 counter on Kathril for each counter put on a creature this way.

Trample

Whenever an opponent gains life, put that many +1/+1 counters on Kavu Predator.

0: Exile CARDNAME haunting target creature for as long as that creature remains on the battlefield.

−1: You get an emblem with, "At the beginning of your upkeep, this emblem deals 3 damage to the owner of target haunted creature."

−2: You get an emblem with, "At the beginning of your upkeep, gain control of target haunted creature for as long as it remains haunted."

Whenever one or more creatures you control and/or creature cards in your graveyard are put into exile, you may choose a creature card from among them. Until end of turn, target token you control becomes a copy of it, except it has flying.

+2: Surveil 2, then exile a card from a graveyard.

+1: Create a 1/1 white and black Spirit creature token with flying.

−2: Exile target creature you control. For each other player, exile up to one target creature that player controls.

Trample

When Kazandu Stomper enters, return up to two lands you control to their owner's hand.

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

Deathtouch (Any amount of damage this deals to a creature is enough to destroy it.)

Sacrifice Keening Apparition: Destroy target enchantment.

Draw a card for each attacking creature.

When Keeper of Keys enters, you become the monarch.

At the beginning of your upkeep, if you're the monarch, creatures you control can't be blocked this turn.

Whenever a player taps a Mountain, Forest, or Plains for mana, that player adds one mana of any type that land produced.

At the beginning of each opponent's end step, if that player controls more creatures than you, create a 1/1 white Soldier creature token.

At the beginning of each opponent's end step, if that player controls more lands than you, you may search your library for a basic Plains card, put it onto the battlefield tapped, then shuffle.

: Put target artifact, instant, or sorcery card from a graveyard on the bottom of its owner's library.

, : Choose target opponent who has more life than you do as you activate this ability. Keeper of the Flame deals 2 damage to that player.

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

Flying

, Tap two untapped Birds you control: Return target permanent to its owner's hand.

Whenever Keeper of Tresserhorn attacks and isn't blocked, it assigns no combat damage this turn and defending player loses 2 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.

: Add .

, , Sacrifice a creature: Keldon Necropolis deals 2 damage to any target.

Flying, vigilance

Whenever Kellan, Inquisitive Prodigy attacks, destroy up to one target artifact. If you controlled that permanent, draw a card.

Vigilance, haste

Kelsien, the Plague gets +1/+1 for each experience counter you have.

: Kelsien deals 1 damage to target creature you don't control. When that creature dies this turn, you get an experience counter.

Whenever you activate a loyalty ability of a Chandra planeswalker, Keral Keep Disciples deals 1 damage to each opponent.

: Transform Kessig Prowler.

Menace

You may exert Khenra Scrapper as it attacks. When you do, it gets +2/+0 until end of turn. (An exerted creature won't untap during your next untap step.)

: Add .

, : Create a 0/1 red Kobold creature token named Kobolds of Kher Keep.

All lands are Islands in addition to their other types.

Other Homarids, Camarids, Cephalids, Nautilids, and Merfolk you control get +1/+1.

: Each player creates a colorless artifact token named Banana with ", Sacrifice this artifact: Add or . You gain 2 life."

Whenever an artifact an opponent controls is put into a graveyard from the battlefield, put a +1/+1 counter on each creature you control that's an Ape or a Monkey.

Whenever Kibo attacks, defending player sacrifices an artifact.

: Kindlespark Duo deals 1 damage to target opponent.

Whenever you cast a noncreature spell, untap Kindlespark Duo.

Flying

Extort (Whenever you cast a spell, you may pay . If you do, each opponent loses 1 life and you gain that much life.)

Flying

Whenever Kinscaer Harpoonist attacks, you may have target creature lose flying until end of turn.

Vigilance, ward

Whenever you cast a Kraken, Leviathan, Octopus, or Serpent spell from your hand, look at the top X cards of your library, where X is that spell's mana value. You may cast a spell with mana value less than X from among them without paying its mana cost. Put the rest on the bottom of your library in a random order.

Kird Ape gets +1/+2 as long as you control a Forest.

Flying, haste

Madness (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.)

Flying

, Sacrifice Kithkin Spellduster: Destroy target enchantment.

Persist (When this creature dies, if it had no -1/-1 counters on it, return it to the battlefield under its owner's control with a -1/-1 counter on it.)

Gift a card (You may promise an opponent a gift as you cast this spell. If you do, when it enters, they draw a card.)

Enchant creature

When Kitnap enters, tap enchanted creature. If the gift wasn't promised, put three stun counters on it.

You control enchanted creature.

If Kjeldoran Outpost would enter, sacrifice a Plains instead. If you do, put Kjeldoran Outpost onto the battlefield. If you don't, put it into its owner's graveyard.

: Add .

, : Create a 1/1 white Soldier creature token.

Enchant creature

Enchanted creature gets +1/+2.

: Attach Kjeldoran Pride to target creature other than enchanted creature.

Knickknack Ouphe enters with X +1/+1 counters on it.

When Knickknack Ouphe enters, reveal the top X cards of your library. You may put any number of Aura cards with mana value X or less from among them onto the battlefield. Then put all cards revealed this way that weren't put onto the battlefield on the bottom of your library in a random order.

First strike

, Do the Hokey Pokey: Prevent all damage a source of your choice would deal to Knight of the Hokey Pokey this turn. (To do the Hokey Pokey, choose an arm, a leg, or your whole self and put it in. Put it out. Put it in. Shake it all about. You do the Hokey Pokey Turn yourself around.)

Renown 1 (When this creature deals combat damage to a player, if it isn't renowned, put a +1/+1 counter on it and it becomes renowned.)

Trample

Rapid-fire Battle Cannon — When Knight Paladin enters, it deals 4 damage to each opponent.

Crew 1 (Tap any number of creatures you control with total power 1 or more: This Vehicle becomes an artifact creature until end of turn.)

When Knight-Captain of Eos enters, create two 1/1 white Soldier creature tokens.

, Sacrifice a Soldier: Prevent all combat damage that would be dealt this turn.

Flying

When Knollspine Dragon enters, you may discard your hand and draw cards equal to the damage dealt to target opponent this turn.

Whenever Knotvine Paladin attacks, it gets +1/+1 until end of turn for each untapped creature you control.

Prowl (You may cast this for its prowl cost if you dealt combat damage to a player this turn with a Rogue.)

Search target opponent's library for an instant or sorcery card. You may cast that card without paying its mana cost. Then that player shuffles.

Imprint — When Knowledge Pool enters, each player exiles the top three cards of their library.

Whenever a player casts a spell from their hand, that player exiles it. If the player does, they may cast a spell from among other cards exiled with Knowledge Pool without paying its mana cost.

When Kogla, the Titan Ape enters, it fights up to one target creature you don't control.

Whenever Kogla attacks, destroy target artifact or enchantment defending player controls.

: Return target Human you control to its owner's hand. Kogla gains indestructible until end of turn.