: Add or .

, , Sacrifice Izzet Cluestone: Draw a card.

+2: Look at the top card of target player's library. You may put that card on the bottom of that player's library.

0: Draw three cards, then put two cards from your hand on top of your library in any order.

−1: Return target creature to its owner's hand.

−12: Exile all cards from target player's library, then that player shuffles their hand into their library.

When Jade Seedstones enters, distribute three +1/+1 counters among one, two, or three target creatures you control.

Craft with creature (, Exile this artifact, Exile a creature you control or a creature card from your graveyard: Return this card transformed under its owner's control. Craft only as a sorcery.)

Whenever Jangling Automaton attacks, untap all creatures defending player controls.

+1: Create a 1/1 red Monk creature token with prowess.

−1: Exile the top two cards of your library. Choose one of them. You may play that card this turn.

−2: Choose target creature an opponent controls. Whenever you attack this turn, Jaya, Fiery Negotiator deals damage equal to the number of attacking creatures to that creature.

−8: You get an emblem with "Whenever you cast a red instant or sorcery spell, copy it twice. You may choose new targets for the copies."

Morph (You may cast this card face down as a 2/2 creature for . Turn it face up any time for its morph cost.)

When Jeering Instigator is turned face up, if it's your turn, gain control of another target creature until end of turn. Untap that creature. It gains haste until end of turn.

Alpha strike (This creature has first strike as long as it's blocking or being blocked by a creature that comes after it alphabetically.

Jhessian Infiltrator can't be blocked.

: Regenerate target artifact creature.

Enchant creature you control

When enchanted creature dies, return it to the battlefield under your control, then return Journey to Eternity to the battlefield transformed under your control.

This spell costs less to cast for each creature in your party. (Your party consists of up to one each of Cleric, Rogue, Warrior, and Wizard.)

When Journey to Oblivion enters, exile target nonland permanent an opponent controls until Journey to Oblivion leaves the battlefield.

You may put any number of land cards from your hand onto the battlefield. Then if you control eight or more lands, you may discard a card. If you do, return Journey to the Oracle to its owner's hand.

When Joyful Stormsculptor enters, create two 1/1 blue and red Elemental creature tokens.

Whenever you cast a spell that has convoke, Joyful Stormsculptor deals 1 damage to each opponent and each battle they protect.

: Add .

, , Sacrifice Junktown: Create three Junk tokens. (They're artifacts with ", Sacrifice this artifact: Exile the top card of your library. You may play that card this turn. Activate only as a sorcery.")

Level up (: Put a level counter on this. Level up only as a sorcery.)

LEVEL 2-4

3/6

Other creatures you control get +1/+1.

LEVEL 5+

4/8

Other creatures you control get +2/+2.

As long as Kaervek's Torch is on the stack, spells that target it cost more to cast.

Kaervek's Torch deals X damage to any target.

When Kaho, Minamo Historian enters, search your library for up to three instant cards, exile them, then shuffle.

, : You may cast a spell with mana value X from among cards exiled with Kaho without paying its mana cost.

At the beginning of your end step, if Kaito Shizuki entered this turn, he phases out.

+1: Draw a card. Then discard a card unless you attacked this turn.

−2: Create a 1/1 blue Ninja creature token with "This creature can't be blocked."

−7: You get an emblem with "Whenever a creature you control deals combat damage to a player, search your library for a blue or black creature card, put it onto the battlefield, then shuffle."

Whenever a creature you control deals combat damage to a player, put a loyalty counter on Kaito.

+1: Up to one target creature you control can't be blocked this turn. Draw a card, then discard a card.

−2: Create a 2/1 blue Ninja creature token.

−9: You get an emblem with "Whenever a player casts a spell, you create a 2/1 blue Ninja creature token."

Target player discards two cards. Ninjas and Rogues you control gain menace until end of turn. (They can't be blocked except by two or more creatures.)

When Kaleidostone enters, draw a card.

, , Sacrifice Kaleidostone: Add .

Activated abilities of artifacts your opponents control can't be activated.

+1: Until your next turn, up to one target noncreature artifact becomes an artifact creature with power and toughness each equal to its mana value.

−2: You may reveal an artifact card you own from outside the game or choose a face-up artifact card you own in exile. Put that card into your hand.

Karstoderm enters with five +1/+1 counters on it.

Whenever an artifact enters, remove a +1/+1 counter from Karstoderm.

When Kaslem's Stonetree enters, look at the top six cards of your library. You may put a land card from among them onto the battlefield tapped. Put the rest on the bottom in a random order.

Craft with Cave (, Exile this artifact, Exile a Cave you control or a Cave card from your graveyard: Return this card transformed under its owner's control. Craft only as a sorcery.)

Flying

: Until end of turn, target noncreature artifact you control becomes an artifact creature and gains flying. If it's not a Vehicle, it has base power and toughness 1/1 until end of turn.

At the beginning of your upkeep, put a +1/+1 counter on each of up to three target noncreature artifacts.

Trample (This creature can deal excess combat damage to the player or planeswalker it's attacking.)

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

As long as there are four or more card types among cards exiled with Keen-Eyed Curator, it gets +4/+4 and has trample.

: Exile target card from a graveyard.

When Keensight Mentor enters, put a vigilance counter on target non-Human creature you control.

, : Put a +1/+1 counter on each creature you control with vigilance.

, Sacrifice three other artifacts and/or creatures: Look at the top three cards of your library. Put two of them into your hand and the other into your graveyard.

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

Key to the Archive enters the battlefield tapped.

When Key to the Archive enters the battlefield, draft a card from Key to the Archive's spellbook, then discard a card.

: Add two mana in any combination of colors.

, , Sacrifice Keys to the House: Search your library for a basic land card, reveal it, put it into your hand, then shuffle.

, , Sacrifice Keys to the House: Lock or unlock a door of target Room you control. Activate only as a sorcery.

Lifelink

Disturb (You may cast this card from your graveyard transformed for its disturb cost.)

: Prevent the next 1 damage that would be dealt to each creature and each player this 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.

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.)

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

Korlash, Heir to Blackblade's power and toughness are each equal to the number of Swamps you control.

: Regenerate Korlash.

Grandeur — Discard another card named Korlash, Heir to Blackblade: Search your library for up to two Swamp cards, put them onto the battlefield tapped, then shuffle.

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.

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 ."

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

At the beginning of your upkeep, put a shield counter on target creature an opponent controls.

Whenever you put one or more counters on a creature you don't control, tap that creature and goad it. It gains trample until your next turn. (Until your next turn, that creature attacks each combat if able and attacks a player other than you if able.)

: Untap target land.

Threshold — : Untap up to three target lands. Activate only if seven or more cards are in your graveyard.

Menace, ward , haste

Whenever Kylox, Visionary Inventor attacks, sacrifice any number of other creatures, then exile the top X cards of your library, where X is their total power. You may cast any number of instant and/or sorcery spells from among the exiled cards without paying their mana costs.

When Laboratory Brute enters, mill four cards.

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

When Lagonna-Band Storyteller enters, you may put target enchantment card from your graveyard on top of your library. If you do, you gain life equal to its mana value.

Choose two target creatures. Untap them. Put two +1/+1 counters on each of them. They gain vigilance, indestructible, and haste until end of turn. After this main phase, there is an additional combat phase. Only the chosen creatures can attack during that combat phase.

Lava Storm deals 2 damage to each attacking creature or Lava Storm deals 2 damage to each blocking creature.