This spell can't be countered.

At the beginning of each upkeep, create a 3/3 blue Serpent creature token named Koma's Coil.

Sacrifice another Serpent: Choose one —

• Tap target permanent. Its activated abilities can't be activated this turn.

• Koma, Cosmos Serpent gains indestructible until end of turn.

: Kongming's Contraptions deals 2 damage to target attacking creature. Activate only during the declare attackers step and only if you've been attacked this step.

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

As long as Kosei, Penitent Warlord is enchanted, equipped, and has a counter on it, Kosei has "Whenever Kosei, Penitent Warlord deals combat damage to an opponent, you draw that many cards and Kosei deals that much damage to each other opponent."

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.

When Kotose, the Silent Spider enters, exile target card other than a basic land card from an opponent's graveyard. Search that player's graveyard, hand, and library for any number of cards with the same name as that card and exile them. Then that player shuffles. For as long as you control Kotose, you may play one of the exiled cards, and you may spend mana as though it were mana of any color to cast it.

When Kozilek's Predator enters, create two 0/1 colorless Eldrazi Spawn creature tokens. They have "Sacrifice this creature: Add ."

Reach

When Kraul Whipcracker enters, destroy target token an opponent controls.

Flying

Whenever you cast your second spell each turn, put a +1/+1 counter on Kraum, Violent Cacophony and draw a card.

Enchant creature

Storm (When you cast this spell, copy it for each spell cast before it this turn. You may choose new targets for the copies. The copies enter the battlefield as tokens.)

Enchanted creature gets +1/+0 and has vigilance.

Split second (As long as this spell is on the stack, players can't cast spells or activate abilities that aren't mana abilities.)

Destroy target artifact or enchantment.

Enchant non-Wall creature you control

When Krovikan Plague enters, draw a card at the beginning of the next turn's upkeep.

Tap enchanted creature: Krovikan Plague deals 1 damage to any target. Put a -0/-1 counter on enchanted creature. Activate only if enchanted creature is untapped.

Enchant creature

Cumulative upkeep or (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.)

You control enchanted creature.

When Krovikan Whispers is put into a graveyard from the battlefield, you lose 2 life for each age counter on it.

Reveal the top six cards of your library. Put up to three enchantment cards from among them into your hand and the rest of the revealed cards into your graveyard.

Whenever Kukemssa Pirates attacks and isn't blocked, you may gain control of target artifact defending player controls. If you do, Kukemssa Pirates assigns no combat damage this turn.

Flying, haste

Metalcraft — : Return Kuldotha Phoenix from your graveyard to the battlefield. Activate only during your upkeep and only if you control three or more artifacts.

Kumena's Speaker gets +1/+1 as long as you control another Merfolk or an Island.

Your opponents can't cast spells during your turn.

Whenever one or more creatures you control each with power greater than its base power deals combat damage to a player, draw a card.

: Add for each card you've drawn this turn.

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

At the beginning of your upkeep, you may have Kyren Sniper deal 1 damage to target player or planeswalker.

: Add .

, : Remove target attacking or blocking creature from combat.

Whenever Laccolith Whelp becomes blocked, you may have it deal damage equal to its power to target creature. If you do, Laccolith Whelp assigns no combat damage this turn.

When Lagrella, the Magpie enters, exile any number of other target creatures controlled by different players until Lagrella leaves the battlefield. When an exiled card enters under your control this way, put two +1/+1 counters on it.

, Sacrifice a creature: Each opponent loses 1 life and you gain 1 life.

When Lamplighter of Selhoff enters, if you control another Zombie, you may draw a card. If you do, discard a card.

When Landscaper Colos enters, put target card from an opponent's graveyard on the bottom of their library.

Basic landcycling (, Discard this card: Search your library for a basic land card, reveal it, put it into your hand, then shuffle.)

Flying

: Return Lantern Spirit to its owner's hand.

: Add . When you spend this mana to cast a Dragon creature spell, scry 2. (Look at the top two cards of your library, then put any number of them on the bottom and the rest on top in any order.)

When Laquatus's Champion enters, target player loses 6 life.

When Laquatus's Champion leaves the battlefield, that player gains 6 life.

: Regenerate Laquatus's Champion.

Target creature gets -4/-4 until end of turn.

Whenever you draw your second card each turn, put a +1/+1 counter on Lat-Nam Adept.

Counter target creature or planeswalker spell. Create a 1/1 colorless Thopter artifact creature token with flying.

Haste

Cycling (, Discard this card: Draw a card.)

If an opponent had two or more lands enter the battlefield under their control this turn, you may pay rather than pay this spell's mana cost.

Destroy two target lands. Lavaball Trap deals 4 damage to each creature.

Equipped creature gets +1/+0 and has haste and ward . (Whenever it becomes the target of a spell or ability an opponent controls, counter it unless that player pays .)

Equip

Vigilance

Whenever you cast your second spell each turn, investigate. (Create a Clue token. It's an artifact with ", Sacrifice this artifact: Draw a card.")

: Add . Activate only during an opponent's turn.

You may have Lazotep Convert enter as a copy of any creature card in a graveyard, except it's a 4/4 black Zombie in addition to its other colors and types.

: Add .

, Sacrifice a creature: Add one mana of any color.

, , Sacrifice a Desert: Exile target creature card with mana value X from your graveyard. Create a token that's a copy of it, except it's a 4/4 black Zombie. Activate only as a sorcery.

Sliver creatures you control have afflict 2. (Whenever a creature with afflict 2 becomes blocked, defending player loses 2 life.)

Whenever a nontoken Sliver you control dies, amass Slivers 2. (Put two +1/+1 counters on an Army you control. It's also a Sliver. If you don't control an Army, create a 0/0 black Sliver Army creature token first.)

Equipped creature gets +2/+0.

Whenever equipped creature dies, each opponent loses 1 life.

, Sacrifice Lead Pipe: Draw a card.

Equip

Target player returns each commander they control from the battlefield to the command zone.

Draw a card.

Target creature gains flying until end of turn.

Draw a card.

Replicate (When you cast this spell, copy it for each time you paid its replicate cost. You may choose new targets for the copies.)

Target creature gets +1/+0 and gains flying and first strike until end of turn.

Target creature gets +1/+3 and gains reach until end of turn. Untap it.

: Leaping Master gains flying until end of turn.

As long as you have a maximum hand size other than 7, CARDNAME has ": Draw a card."

(: Add .)

Leechridden Swamp enters tapped.

, : Each opponent loses 1 life. Activate only if you control two or more black permanents.

Until end of turn, double target creature's power and it gains first strike.

Flash (You may cast this spell any time you could cast an instant.)

, Sacrifice Leonin Bladetrap: It deals 2 damage to each attacking creature without flying.