When Jadeheart Attendant enters, you gain life equal to the mana value of the exiled card used to craft it.

Whenever Jagged Poppet is dealt damage, discard that many cards.

Hellbent — Whenever Jagged Poppet deals combat damage to a player, if you have no cards in hand, that player discards cards equal to the damage.

, , Sacrifice another creature: Reveal cards from the top of your library until you reveal a nonlegendary creature card. Put that card onto the battlefield and the rest on the bottom of your library in a random order.

Whenever you crank Jamming Device, creatures target player controls get -1/-1 until end of turn.

Remove a ki counter from Jaraku the Interloper: Counter target spell unless its controller pays .

: Add . Spend this mana only to cast creature spells with no abilities.

Creatures you control with no abilities can't be blocked by creatures with abilities.

Double strike

Toxic 1 (Players dealt combat damage by this creature also get a poison counter.)

If another red source you control would deal damage to a permanent or player, it deals that much damage plus 1 to that permanent or player instead.

−2: Jaya, Venerated Firemage deals 2 damage to any target.

Flying, vigilance

At the beginning of your end step, if you haven't cast a spell from your hand this turn, draw a card.

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

Defender

When Jeskai Barricade enters, you may return another target creature you control to its owner's hand.

Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.)

Whenever Jeskai Elder deals combat damage to a player, you may draw a card. If you do, discard a card.

Flying

Whenever Jetting Glasskite becomes the target of a spell or ability for the first time each turn, counter that spell or ability.

Remove Jeweled Bird from your deck before playing if you're not playing for ante.

: Ante Jeweled Bird. If you do, put all other cards you own from the ante into your graveyard, then draw a card.

: Prevent the next 1 damage that would be dealt to any target this turn.

: Target creature can't be blocked this turn.

Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.)

Whenever Jhessian Thief deals combat damage to a player, draw a card.

: Regenerate target artifact creature.

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.

Domain — , : Draw a card. This ability costs less to activate for each basic land type among lands you control.

Whenever Johtull Wurm becomes blocked, it gets -2/-1 until end of turn for each creature blocking it beyond the first.

Untap all creatures you control. They gain hexproof and indestructible until end of turn. (They can't be the targets of spells or abilities your opponents control. Damage and effects that say "destroy" don't destroy them.)

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

Scry 2, then draw a card. If this spell was kicked, you may put a land card from your hand onto the battlefield.

Whenever you give a gift, draw a card.

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

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

LEVEL 1-4

1/2

: Add .

LEVEL 5+

1/4

Elves you control have ": Add ."

Cumulative upkeep—Put two cards from a single graveyard on the bottom of their owner's library. (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.)

When Journey to Nowhere enters, exile target creature.

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

Choose target creature you control and target creature you don't control. The creature you control gets +2/+1 until end of turn if it's a Knight. Then those creatures fight each other. (Each deals damage equal to its power to the other.)

, : Target creature can't be blocked this turn except by Walls.

At the beginning of combat on your turn, you may pay . If you do, support 2. (Put a +1/+1 counter on each of up to two other target creatures.)

Flying

Sacrifice Judge's Familiar: Counter target instant or sorcery spell unless its controller pays .

Trample

No more than one creature can attack you each combat.

Suspend 6— (Rather than cast this card from your hand, you may pay and exile it with six time counters on it. At the beginning of your upkeep, remove a time counter. When the last is removed, you may cast it without paying its mana cost. It has haste.)

Trample

Whenever Juggletron attacks, you may put an art sticker on it.

Juggletron gets +3/+0 for each item in its art that's not touching Juggletron, another item, or the card frame.

Lifelink

Enchantment spells you cast cost less to cast.

, : Target player loses 1 life.

, : Create a 1/1 green Saproling creature token.

Defender (This creature can't attack.)

When Jungle Barrier enters, draw a card.

: Return Jungle Creeper from your graveyard to your hand.

: Regenerate Jungle Troll.

: Regenerate Jungle Troll.

Whenever another creature you control enters, put a +1/+1 counter on that creature and a +1/+1 counter on Juniper Order Ranger.

Affinity for tokens (This spell costs less to cast for each token you control.)

Whenever a token you control enters, tap target nonland permanent an opponent controls. It doesn't untap during its controller's next untap step.

When Junkyard Genius enters, create a tapped Powerstone token. (It's an artifact with ": Add . This mana can't be spent to cast a nonartifact spell.")

, Sacrifice another creature or artifact: Until end of turn, other creatures you control get +1/+0 and gain menace and haste.

Whenever you sacrifice a permanent, put a +1/+1 counter on Juri, Master of the Revue.

When Juri dies, it deals damage equal to its power to any target.

Target creature deals damage to itself equal to its power.

You and target player exchange control of the creature you each control with the highest mana value. Then exchange control of artifacts the same way. If two or more permanents a player controls are tied for highest, their controller chooses one of them.

Counter target spell unless its controller pays .

Kabira Plateau enters tapped.

: Add .

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.

Destroy target creature with mana value X. If that creature dies this way, Kaervek's Purge deals damage equal to the creature's power to the creature's controller.

Whenever Kagha, Shadow Archdruid attacks, it gains deathtouch until end of turn. Mill two cards. (Put the top two cards of your library into your graveyard.)

Once during each of your turns, you may play a land or cast a permanent spell from among cards in your graveyard that were put there from your library this turn.

Defender (This creature can't attack.)

Whenever Kaijin of the Vanishing Touch blocks a creature, return that creature to its owner's hand at end of combat. (Return it only if it's on the battlefield.)