Whenever Jedit Ojanen, Mercenary or another legendary creature you control enters, you may pay . If you do, create a 2/2 green Cat Warrior creature token with forestwalk. (It can't be blocked as long as defending player controls a Forest.)

When Jeering Homunculus enters, you may goad target creature. (Until your next turn, that creature attacks each combat if able and attacks a player other than you if able.)

Companion — No card in your starting deck has more than one of the same mana symbol in its mana cost. (If this card is your chosen companion, you may put it into your hand from outside the game for as a sorcery.)

: Add . This mana can't be spent to pay generic mana costs.

Flying

When Jeleva, Nephalia's Scourge enters, each player exiles the top X cards of their library, where X is the amount of mana spent to cast Jeleva.

Whenever Jeleva attacks, you may cast an instant or sorcery spell from among cards exiled with Jeleva without paying its mana cost.

Flying

: Put a +1/+1 counter on Jenara, Asura of War.

Double strike

Whenever Jenny deals combat damage to a player, it explores. (Reveal the top card of your library. Put that card into your hand if it's a land. Otherwise, put a +1/+1 counter on this creature, then put the card back or put it into your graveyard.)

Jeska, Thrice Reborn enters with a loyalty counter on her for each time you've cast a commander from the command zone this game.

0: Choose target creature. Until your next turn, if that creature would deal combat damage to one of your opponents, it deals triple that damage to that player instead.

−X: Jeska, Thrice Reborn deals X damage to each of up to three targets.

Jeska, Thrice Reborn can be your commander.

Partner

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.

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.

Enchant creature

Enchanted creature gets +2/+2.

Enchanted creature has flying as long as you control a red or white permanent.

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.)

, Discard a card: Copy three instant cards chosen at random. You may cast one of the copies without paying its mana cost.

, Discard a card: Copy three sorcery cards chosen at random. You may cast one of the copies without paying its mana cost. Activate only as a sorcery.

Whenever you cast a historic spell, draw a card. (Artifacts, legendaries, and Sagas are historic.)

: Choose target permanent you control or suspended card you own. If that permanent or card has a time counter on it, you may remove a time counter from it or put another time counter on it.

Vigilance

+1: Target creature gets +2/+2 until end of turn.

−1: If you don't control a creature named Mowu, create Mowu, a legendary 3/3 green Dog creature token.

−5: Until end of turn, target creature gains trample and gets +X/+X, where X is the number of lands you control.

As Jihad enters, choose a color and an opponent.

White creatures get +2/+1 as long as the chosen player controls a nontoken permanent of the chosen color.

When the chosen player controls no nontoken permanents of the chosen color, sacrifice Jihad.

Ward

Whenever you cast a noncreature spell with mana value 3 or greater, draw a card.

: Exile Jin-Gitaxias, then return it to the battlefield transformed under its owner's control. Activate only as a sorcery and only if you have seven or more cards in hand.

Whenever you cast an artifact, instant, or sorcery spell, copy that spell. You may choose new targets for the copy. This ability triggers only once each turn. (A copy of a permanent spell becomes a token.)

Whenever an opponent casts an artifact, instant, or sorcery spell, counter that spell. This ability triggers only once each turn.

Target land becomes the basic land type of your choice until end of turn.

Draw a card at the beginning of the next turn's upkeep.

At the beginning of your upkeep, Jinxed Idol deals 2 damage to you.

Sacrifice a creature: Target opponent gains control of Jinxed Idol.

When Jirina Kudro enters, create a 1/1 white Human Soldier creature token for each time you've cast a commander from the command zone this game.

Other Humans you control get +2/+0.

, : Jiwari, the Earth Aflame deals X damage to target creature without flying.

Channel — , Discard Jiwari: Jiwari deals X damage to each creature without flying.

Flying

You may pay rather than pay the mana cost for spells you cast.

: Until end of turn, Jodah's Avenger gets -1/-1 and gains your choice of double strike, protection from red, vigilance, or shadow. (A creature with shadow can block or be blocked by only creatures with shadow.)

At the beginning of combat on your turn, you may have Johan gain "Johan can't attack" until end of combat. If you do, attacking doesn't cause creatures you control to tap this combat if Johan is untapped.

Bargain (You may sacrifice an artifact, enchantment, or token as you cast this spell.)

This spell costs less to cast if it's bargained.

Return target nonland permanent to its owner's hand. Draw a card.

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.)

Target creature gets -5/-5 until end of turn.

Descend 4 — That creature gets -10/-10 until end of turn instead if there are four or more permanent cards in your graveyard.

Create two 1/1 white Soldier Ally creature tokens.

Target creature gets +2/+2 until end of turn. If it's paired with a creature, that creature also gets +2/+2 until end of turn.

Destroy all artifacts, creatures, and lands. They can't be regenerated.