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

Choose one. If you control a commander as you cast this spell, you may choose both instead.

• Add for each card in target opponent's hand.

• Exile the top three cards of your library. You may play them this turn.

Jester's Mask enters tapped.

, , Sacrifice Jester's Mask: Target opponent puts the cards from their hand on top of their library. Search that player's library for that many cards. That player puts those cards into their hand, then shuffles.

, , Sacrifice Jester's Sombrero: Look at target player's sideboard, choose three cards from it, and remove those cards from the match.

Living metal (During your turn, this Vehicle is also a creature.)

Flying

: Convert Jetfire, then adapt 3. (If it has no +1/+1 counters on it, put three +1/+1 counters on it.)

Creatures you control get +1/+0 and have vigilance as long as you control three or more creatures.

Creatures you control also get +1/+0 and have trample as long as you control six or more creatures.

Creatures you control also get +1/+0 and have double strike as long as you control nine or more creatures.

(: Add , , or .)

Jetmir's Garden enters tapped.

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

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

Flying

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

, : Put a charge counter on Jeweled Amulet. Note the type of mana spent to pay this activation cost. Activate only if there are no charge counters on Jeweled Amulet.

, Remove a charge counter from Jeweled Amulet: Add one mana of Jeweled Amulet's last noted type.

, Sacrifice Jeweled Lotus: Add three mana of any one color. Spend this mana only to cast your commander.

As Jeweled Torque enters, choose a color.

Whenever a player casts a spell of the chosen color, you may pay . If you do, you gain 2 life.

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

: Target creature can't be blocked this turn.

Fear (This creature can't be blocked except by artifact creatures and/or black creatures.)

Islandcycling , swampcycling (, Discard this card: Search your library for an Island or Swamp card, reveal it, put it into your hand, then shuffle.)

: Put two ingenuity counters on Jhoira, Ageless Innovator, then you may put an artifact card with mana value X or less from your hand onto the battlefield, where X is the number of ingenuity counters on Jhoira.

Flying

Historic spells you cast cost less to cast. (Artifacts, legendaries, and Sagas are historic.)

: Regenerate target artifact creature.

Trample

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.

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

Return target creature to its owner's hand. If this spell was kicked, it deals 2 damage to another target creature.

Flash

At the beginning of your end step, draw seven cards.

Each opponent's maximum hand size is reduced by seven.

If you would create one or more tokens, you may instead create that many 2/2 green Cat creature tokens with haste or that many 3/1 green Dog creature tokens with vigilance.

At the beginning of your end step, target opponent gains control of Jinxed Choker and puts a charge counter on it.

At the beginning of your upkeep, Jinxed Choker deals damage to you equal to the number of charge counters on it.

: Put a charge counter on Jinxed Choker or remove one from it.

Whenever a nontoken permanent is put into your graveyard from the battlefield, Jinxed Ring deals 1 damage to you.

Sacrifice a creature: Target opponent gains control of Jinxed Ring. <I>(This effect lasts indefinitely.)</I>

When Jirina, Dauntless General enters, exile target player's graveyard.

Sacrifice Jirina: Humans you control gain hexproof and indestructible until end of turn.

Each historic card in your hand has cycling . (, Discard that card: Draw a card.)

Whenever you cycle a card, put a +1/+1 counter on Jo Grant.

Doctor's companion (You can have two commanders if the other is the Doctor.)

Legendary creatures you control get +X/+X, where X is the number of legendary creatures you control.

Whenever you cast a legendary spell from your hand, exile cards from the top of your library until you exile a legendary nonland card with lesser mana value. You may cast that card without paying its mana cost. Put the rest on the bottom of your library in a random order.

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

You may look at the top card of your library any time.

Once each turn, you may cast an instant or sorcery spell from the top of your library. (You still pay its costs. Timing rules still apply.)

: Search your library for a card, put that card into your hand, then shuffle.

Untap up to two target creatures. They each get +2/+2 until end of turn.

Create two 1/1 white Human creature tokens.

Flashback (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Casualty 2 (As you cast this spell, you may sacrifice a creature with power 2 or greater. When you do, copy this spell.)

Create a 4/3 black Ogre Warrior creature token.

Lands you control have ": Add one mana of any color."

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.

Trample

Jokulmorder enters tapped.

When Jokulmorder enters, sacrifice it unless you sacrifice five lands.

Jokulmorder doesn't untap during your untap step.

Whenever you play an Island, you may untap Jokulmorder.

Whenever a player attacks one or more of your opponents, that attacking player creates a Treasure token.

If you would create one or more Treasure tokens, instead create those tokens plus an additional Treasure token.

Sacrifice five Treasures: Put five +1/+1 counters on Jolene.

, , Discard two cards: All lands target player controls become 3/3 creatures until end of turn. They're still lands.

At the beginning of combat on your turn, up to one target land you control becomes an X/X green and blue Bird creature with flying and haste until end of turn, where X is the number of cards in your hand. It's still a land.

Whenever a land creature you control deals combat damage to a player, draw a card.

Flash

Enchant creature

: Regenerate enchanted creature.

Choose up to one target artifact or creature card in your graveyard. You get (two energy counters). Then you may pay an amount of equal to that card's mana value. If you do, return it from your graveyard to the battlefield.

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

At the beginning of your end step, target opponent gains control of up to one target creature you control. Put two +1/+1 counters on it and tap it. It's goaded for the rest of the game and it gains "This creature can't be sacrificed." (It attacks each combat if able and attacks a player other than you if able.)

Whenever a creature you own but don't control attacks, you draw a card.

Trample

Whenever Jor Kadeen, First Goldwarden attacks, it gets +X/+X until end of turn, where X is the number of equipped creatures you control. Then if Jor Kadeen's power is 4 or greater, draw a card.

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

Each creature you control gets +3/+3 until end of turn and must be blocked this turn if able.

When Joraga Visionary enters, draw a card.

Whenever you cast your second spell each turn, draw a card.

Jorubai Murk Lurker gets +1/+1 as long as you control a Swamp.

: Target creature gains lifelink until end of turn. (Damage dealt by the creature also causes its controller to gain that much life.)

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.)