Whenever you cast a noncreature spell, creatures you control get +1/+1 until end of turn. Untap those creatures.

Whenever you cast a noncreature spell, you may draw a card. If you do, discard a card.

Each creature you control with a +1/+1 counter on it has ": Add one mana of any color."

−1: Put a +1/+1 counter on target creature.

: Support 2. (Put a +1/+1 counter on each of up to two other target creatures.)

Choose one —

• Search your library for up to two basic land cards, reveal them, put them into your hand, then shuffle your library.

• You may play up to two additional lands this turn.

Entwine (Choose both if you pay the entwine cost.)

When Journey to Nowhere enters the battlefield, exile target creature.

When Journey to Nowhere leaves the battlefield, return the exiled card to the battlefield under its owner's control.

: Jousting Dummy gets +1/+0 until end of turn.

When Joyride Rigger enters the battlefield, it assembles a Contraption. (Put the top card of your Contraption deck face up onto one of your sprockets.)

When Jungle Wayfinder enters the battlefield, each player may search their library for a basic land card, reveal it, put it into their hand, then shuffle their library.

, : Draw a card. If you have nine or more cards in hand, flip Jushi Apprentice.

Trample

Kalonian Hydra enters the battlefield with four +1/+1 counters on it.

Whenever Kalonian Hydra attacks, double the number of +1/+1 counters on each creature you control.

Flying

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

First strike, menace

Whenever Kari Zev, Skyship Raider attacks, create Ragavan, a legendary 2/1 red Monkey creature token. Ragavan enters the battlefield tapped and attacking. Exile that token at end of combat.

Flying, haste

When Karrthus, Tyrant of Jund enters the battlefield, gain control of all Dragons, then untap all Dragons.

Other Dragon creatures you control have haste.

0: Exile Kaya, Ghost Assassin or up to one target creature. Return that card to the battlefield under its owner's control at the beginning of your next upkeep. You lose 2 life.

−1: Each opponent loses 2 life and you gain 2 life.

−2: Each opponent discards a card and you draw a card.

+1: Exile up to two target cards from a single graveyard. You gain 2 life if at least one creature card was exiled this way.

−1: Exile target nonland permanent with converted mana cost 1 or less.

−5: Kaya, Orzhov Usurper deals damage to target player equal to the number of cards that player owns in exile and you gain that much life.

Choose two —

• Each opponent sacrifices a creature.

• Exile all cards from each opponent's graveyard.

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

• You gain 4 life.

Entwine (Choose all if you pay the entwine cost.)

Green creatures you control get +1/+1.

Flying

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

When Keeper of Keys enters the battlefield, you become the monarch.

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

, Discard a card: Up to one target creature can't be blocked this turn.

Whenever Key to the City becomes untapped, you may pay . If you do, draw a card.

This spell costs less to cast for each green creature you control.

Trample

For each player, choose friend or foe. Each friend discards all cards from their hand, then draws that many cards plus one. Khorvath's Fury deals damage to each foe equal to the number of cards in their hand.

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

Delirium — : Transform Kindly Stranger. Activate this ability only if there are four or more card types among cards in your graveyard.

Kinship — At the beginning of your upkeep, you may look at the top card of your library. If it shares a creature type with Kithkin Zephyrnaut, you may reveal it. If you do, Kithkin Zephyrnaut gets +2/+2 and gains flying and vigilance until end of turn.

Kiyomaro, First to Stand's power and toughness are each equal to the number of cards in your hand.

As long as you have four or more cards in hand, Kiyomaro has vigilance.

Whenever Kiyomaro deals damage, if you have seven or more cards in hand, you gain 7 life.

: All combat damage that would be dealt to you by unblocked creatures this turn is dealt to Kjeldoran Royal Guard instead.

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.)

Protection from black (This creature can't be blocked, targeted, dealt damage, or enchanted by anything black.)

Exalted (Whenever a creature you control attacks alone, that creature gets +1/+1 until end of turn.)

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, put your right foot in. Put your right foot out. Put your right foot in. Shake it all about. Repeat this process for your left foot, right arm, left arm, and whole self.)

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 your library.

Enchant creature

When Knightly Valor enters the battlefield, create a 2/2 white Knight creature token with vigilance. (Attacking doesn't cause it to tap.)

Enchanted creature gets +2/+2 and has vigilance.

Flying

Whenever a Dragon you control attacks, creatures you control get +1/+0 until end of turn.

Dash (You may cast this spell for its dash cost. If you do, it gains haste, and it's returned from the battlefield to its owner's hand at the beginning of the next end step.)

: Kor Sky Climber gains flying until end of turn.

Whenever a player casts a blue spell, you may gain 1 life.

Sacrifice Krosan Wayfarer: You may put a land card from your hand onto the battlefield.

, : Prevent all damage that would be dealt this turn by target creature you control. That creature gets +0/+X until end of turn, where X is its converted mana cost.

Tap another untapped Merfolk you control: Kumena, Tyrant of Orazca can't be blocked this turn.

Tap three untapped Merfolk you control: Draw a card.

Tap five untapped Merfolk you control: Put a +1/+1 counter on each Merfolk you control.

Flying

Whenever you cast a noncreature spell, create a 1/1 white Spirit creature token with flying.

Sacrifice a Spirit: Add .

Whenever you cast a Spirit or Arcane spell, target opponent exiles a card from their hand.

Flying

Kyren Glider can't block.

Tap an untapped creature you control: Kyren Negotiations deals 1 damage to target player or planeswalker.

, : Put a charge counter on Kyren Toy.

, Remove X charge counters from Kyren Toy: Add an amount of equal to X plus one.

At end of combat, if Kytheon, Hero of Akros and at least two other creatures attacked this combat, exile Kytheon, then return him to the battlefield transformed under his owner's control.

: Kytheon gains indestructible until end of turn.

Creatures you control get +2/+1 until end of turn.

Spell mastery — If there are two or more instant and/or sorcery cards in your graveyard, those creatures also gain vigilance until end of turn. (Attacking doesn't cause them to tap.)

If you would draw a card while your library has no cards in it, you win the game instead.

When Labyrinth Guardian becomes the target of a spell, sacrifice it.

Embalm (, Exile this card from your graveyard: Create a token that's a copy of it, except it's a white Zombie Illusion Warrior with no mana cost. Embalm only as a sorcery.)

Whenever you crank Lackey Recycler, put target creature card from your graveyard on top of your library.

, : Prevent all combat damage that would be dealt by target creature this turn.

: Return Lady Sun and another target creature to their owners' hands. Activate this ability only during your turn, before attackers are declared.