, : 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.

Trample

Keldon Battlewagon can't block.

When Keldon Battlewagon attacks, sacrifice it at end of combat.

Tap an untapped creature you control: Keldon Battlewagon gets +X/+0 until end of turn, where X is the power of the creature tapped this way.

Keldon Megaliths enters tapped.

: Add .

Hellbent — , : Keldon Megaliths deals 1 damage to any target. Activate only if you have no cards in hand.

Whenever Kellan, Daring Traveler attacks, reveal the top card of your library. If it's a creature card with mana value 3 or less, put it into your hand. Otherwise, you may put it into your graveyard.

Double strike

Other creatures you control get +1/+0 for each Aura and Equipment attached to Kellan, the Fae-Blooded.

First strike, haste

Whenever Kellogg, Dangerous Mind attacks, create a Treasure token.

Sacrifice five Treasures: Gain control of target creature for as long as you control Kellogg. Activate only as a sorcery.

Menace

Whenever you sacrifice a creature, you may pay . If you do, draw a card. ( can be paid with either or .)

, Sacrifice a creature: Kels, Fight Fixer gains indestructible until end of turn.

: Target green creature gains first strike until end of turn.

At the beginning of your upkeep, create a 2/2 white Cat creature token for each Equipment attached to Kemba, Kha Regent.

Flying

When Kemba's Skyguard enters, you gain 2 life.

Bushido 1 (Whenever this creature blocks or becomes blocked, it gets +1/+1 until end of turn.)

You may pay rather than pay the mana cost for Samurai spells you cast, where X is that spell's mana value.

Companion — Your starting deck contains only cards with mana value 3 or greater and land cards. (If this card is your chosen companion, you may put it into your hand from outside the game for as a sorcery.)

When Keruga, the Macrosage enters, draw a card for each other permanent you control with mana value 3 or greater.

Whenever Kessig Cagebreakers attacks, create a 2/2 green Wolf creature token that's tapped and attacking for each creature card in your graveyard.

Whenever you cast a noncreature spell, Kessig Flamebreather deals 1 damage to each opponent.

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

: Transform Kessig Prowler.

: Kessig Wolf gains first strike until end of turn.

Menace

, , Exile three cards from your graveyard: Create a 3/2 red Wolf creature token.

Keymaster Rogue can't be blocked.

When Keymaster Rogue enters, return a creature you control to its owner's hand.

Khalni Garden enters tapped.

When Khalni Garden enters, create a 0/1 green Plant creature token.

: Add .

Partner with Sylvia Brightspear (When this creature enters, target player may put Sylvia into their hand from their library, then shuffle.)

Flying, haste

Knights your team controls have flying and haste.

Destroy target creature with power X or less.

Amplify 3 <I>(As this creature enters, put three +1/+1 counters on it for each Dragon card you reveal in your hand.)</I>

Flying

: Kilnmouth Dragon deals damage equal to the number of +1/+1 counters on it to any target.

Spells you cast that refer to artifacts or Contraptions in their rules text cost less to cast.

Choose a creature type. For each creature you control of the chosen type, create a token that's a copy of that creature. Those tokens gain haste. Exile them at the beginning of the next end step.

Flash

Other creatures you control get +1/+1.

: Put a +1/+1 counter on King Darien and create a 1/1 white Soldier creature token.

Sacrifice King Darien: Creature tokens you control gain hexproof and indestructible until end of turn.

Inspired — Whenever King Macar, the Gold-Cursed becomes untapped, you may exile target creature. If you do, create a Gold token. (It's an artifact with "Sacrifice this artifact: Add one mana of any color.")

Flying

Whenever King of the Oathbreakers or another Spirit you control becomes the target of a spell, it phases out. (Treat it and anything attached to it as though they don't exist until your next turn.)

Whenever King of the Oathbreakers or another Spirit you control phases in, create a tapped 1/1 white Spirit creature token with flying.

: Destroy target Djinn or Efreet.

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

Creatures your opponents control enter tapped.

Kinsbaile Borderguard enters with a +1/+1 counter on it for each other Kithkin you control.

When Kinsbaile Borderguard dies, create a 1/1 white Kithkin Soldier creature token for each counter on it.

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.

When Kiora enters, draw two cards, then discard two cards.

Threshold — Whenever Kiora attacks, if there are seven or more cards in your graveyard, you may create Scion of the Deep, a legendary 8/8 blue Octopus creature token.

, : Target attacking creature gets +2/+2 until end of turn.

When Kithkin Harbinger enters, you may search your library for a Kithkin card, reveal it, then shuffle and put that card on top.

: Target creature gets +2/+2 until end of turn. When that creature leaves the battlefield this turn, sacrifice Kjeldoran Elite Guard. Activate only during combat.

: Target creature gets +1/+1 until end of turn. When that creature leaves the battlefield this turn, sacrifice Kjeldoran Guard. Activate only during combat and only if defending player controls no snow lands.

Banding (Any creatures with banding, and up to one without, can attack in a band. Bands are blocked as a group. If any creatures with banding you control are blocking or being blocked by a creature, you divide that creature's combat damage, not its controller, among any of the creatures it's being blocked by or is blocking.)

: Kjeldoran Knight gets +1/+0 until end of turn.

: Kjeldoran Knight gets +0/+2 until end of turn.

Flying; first strike; banding (Any creatures with banding, and up to one without, can attack in a band. Bands are blocked as a group. If any creatures with banding you control are blocking or being blocked by a creature, you divide that creature's combat damage, not its controller, among any of the creatures it's being blocked by or is blocking.)

Creatures you control get +X/+X until end of turn, where X is your devotion to green. (Each in the mana costs of permanents you control counts toward your devotion to green.)

First strike (This creature deals combat damage before creatures without first strike.)

Other Knight creatures you control get +1/+1 and have indestructible. (Damage and effects that say "destroy" don't destroy them.)

When Knight of Autumn enters, choose one —

• Put two +1/+1 counters on Knight of Autumn.

• Destroy target artifact or enchantment.

• You gain 4 life.

First strike

: Knight of Dawn gains protection from the color of your choice until end of turn.

Whenever an enchantment you control is put into a graveyard from the battlefield, create a 1/1 white Bird creature token with flying.

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

Your opponents can't gain life.

: Knight of Dusk's Shadow gets +1/+1 until end of turn.

First strike (This creature deals combat damage before creatures without first strike.)

Hexproof from black (This creature can't be the target of black spells or abilities your opponents control.)

This creature gets +1/+0 as long as any player controls a black permanent.

Vigilance

As long as you are way behind, Knight of Lost Causes gets +3/+3 and has indestructible. (You are way behind if, at any point during this turn, an opponent had 10 or more life than you, controlled at least three more creatures than you, or had at least three more cards in hand than you.)