First strike, protection from black borders (Nothing with a black border can block, target, deal damage to, or attach to this creature.)

First strike, protection from loose lips (Nothing with an open mouth in its artwork can block, target, deal damage to, or attach to this creature.)

First strike, protection from two-word names (Nothing with exactly two words in its name can block, target, deal damage to, or attach to this creature. Hyphenated words are one word.)

, Sacrifice another nontoken creature: Create a 1/1 white and black Spirit creature token with flying.

Afterlife 3 (When this creature dies, create three 1/1 white and black Spirit creature tokens with flying.)

Vigilance

When Knight of the New Coalition enters, create a 2/2 white and blue Knight creature token with vigilance.

Knight of the Reliquary gets +1/+1 for each land card in your graveyard.

, Sacrifice a Forest or Plains: Search your library for a land card, put it onto the battlefield, then shuffle.

Dinosaur spells you cast cost less to cast.

First strike

When Knight of the White Orchid enters, if an opponent controls more lands than you, you may search your library for a Plains card, put it onto the battlefield, then shuffle.

Flanking <I>(Whenever a creature without flanking blocks this creature, the blocking creature gets -1/-1 until end of turn.)</I>

: Each creature without flanking blocking Knight of Valor gets -1/-1 until end of turn. Activate only once each turn.

Trample

Frenzied Rampage — At the beginning of combat on your turn, choose an opponent at random. Knight Rampager attacks that player this combat if able.

When Knight Rampager dies, it deals 4 damage to target opponent chosen at random.

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.

Convoke

When Knight-Errant of Eos enters, look at the top six cards of your library. You may reveal up to two creature cards with mana value X or less from among them, where X is the number of creatures that convoked Knight-Errant of Eos. Put the revealed cards into your hand, then shuffle.

Creatures you control have first strike.

Whenever a Knight you control attacks, each opponent loses 1 life and you gain 1 life.

, Sacrifice Knights' Charge: Return all Knight creature cards from your graveyard to the battlefield.

When Knights of the Black Rose enters, you become the monarch.

Whenever an opponent becomes the monarch, if you were the monarch as the turn began, that player loses 2 life and you gain 2 life.

Enchant creature

Enchanted creature gets +2/+2.

, Discard a card with mana value X: Knollspine Invocation deals X damage to any target.

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

, : Exile the top card of your library face down.

: Sacrifice Knowledge Vault. If you do, discard your hand, then put all cards exiled with Knowledge Vault into their owner's hand.

When Knowledge Vault leaves the battlefield, put all cards exiled with Knowledge Vault into their owner's graveyard.

Other Kobold creatures you control get +0/+1 and have trample.

Kodama of the Center Tree's power and toughness are each equal to the number of Spirits you control.

Kodama of the Center Tree has soulshift X, where X is the number of Spirits you control. (When this creature dies, you may return target Spirit card with mana value X or less from your graveyard to your hand.)

Trample

Shroud (This creature can't be the target of spells or abilities.)

Reach

Modified creatures you control have trample. (Equipment, Auras you control, and counters are modifications.)

Whenever a modified creature you control deals combat damage to a player, search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

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.

Whenever Kolaghan Aspirant becomes blocked by a creature, Kolaghan Aspirant deals 1 damage to that creature.

Haste

Megamorph (You may cast this card face down as a 2/2 creature for . Turn it face up any time for its megamorph cost and put a +1/+1 counter on it.)

When Kolaghan Stormsinger is turned face up, target creature gains haste until end of turn.

Whenever another nontoken creature you control dies, if it was enchanted or equipped, return it to its owner's hand.

Creature tokens you control that are enchanted or equipped get +1/+1.

This spell can't be countered.

Trample, ward

Whenever Koma deals combat damage to a player, create four 3/3 blue Serpent creature tokens named Koma's Coil.

Lifelink (Damage dealt by this creature also causes you to gain that much life.)

When Koma's Faithful dies, each player mills three cards. (They each put the top three cards of their library into their graveyard.)

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

As long as you control a legendary Samurai, Konda's Hatamoto gets +1/+2 and has vigilance. (Attacking doesn't cause this creature to tap.)

Kicker (You may pay an additional as you cast this spell.)

Flying

When Kor Aeronaut enters, if it was kicked, target creature gains flying until end of turn.

When Kor Cartographer enters, you may search your library for a Plains card, put it onto the battlefield tapped, then shuffle.

Whenever Kor Celebrant or another creature you control enters, you gain 1 life.

As long as Kor Duelist is equipped, it has double strike. (It deals both first-strike and regular combat damage.)

When Kor Hookmaster enters, tap target creature an opponent controls. That creature doesn't untap during its controller's next untap step.

Kicker (You may pay an additional as you cast this spell.)

When Kor Sanctifiers enters, if it was kicked, destroy target artifact or enchantment.

Kor Spiritdancer gets +2/+2 for each Aura attached to it.

Whenever you cast an Aura spell, you may draw a card.

Trample

Scavenge (, 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.)

This spell costs less to cast for each card type among permanents you've sacrificed this turn.

Flying, trample, haste

Whenever Korvold deals combat damage to a player, put X +1/+1 counters on Korvold and draw X cards, where X is the number of permanent types among cards in your graveyard.

+1: Untap target Mountain. It becomes a 4/4 red Elemental creature until end of turn. It's still a land.

−2: Add for each Mountain you control.

−5: You get an emblem with "Mountains you control have ‘: This land deals 1 damage to any target.'"

Flying

Whenever a permanent owned by another player is put into a graveyard from the battlefield, you draw a card and you lose 1 life.

Vehicles you control have crew 2.

At the beginning of combat on your turn, target artifact creature you control gains lifelink and vigilance until end of turn.

When you cast this spell, draw four cards.

Annihilator 4 (Whenever this creature attacks, defending player sacrifices four permanents of their choice.)

When Kozilek, Butcher of Truth is put into a graveyard from anywhere, its owner shuffles their graveyard into their library.

When you cast this spell, up to two target players each manifest two cards from their hands. For each card manifested this way, you draw a card. (To manifest a card, put it onto the battlefield face down as a 2/2 creature. Turn it face up any time for its mana cost if it's a creature card.)

Other colorless creatures you control get +3/+2.

: Target creature can't block Kozilek's Pathfinder this turn. ( represents colorless mana.)

Devoid (This card has no color.)

Kozilek's Return deals 2 damage to each creature.

Whenever you cast an Eldrazi creature spell with mana value 7 or greater, you may exile Kozilek's Return from your graveyard. If you do, Kozilek's Return deals 5 damage to each creature.

Devoid (This card has no color.)

Pay 1 life: Add . Activate only once each turn. ( represents colorless mana.)

At the beginning of each upkeep, if a player cast two or more spells last turn, transform Krallenhorde Wantons.

Sacrifice an artifact: Krark-Clan Grunt gets +1/+0 and gains first strike until end of turn.