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

Whenever a creature you control dies, put two eyeball counters on Jar of Eyeballs.

, , Remove all eyeball counters from Jar of Eyeballs: Look at the top X cards of your library, where X is the number of eyeball counters removed this way. Put one of them into your hand and the rest on the bottom of your library in any order.

Search your library for up to two creature cards and reveal them. Put one into your hand and the other into your graveyard. Then shuffle.

+1: Create a 3/3 Kavu creature token with trample that's all colors.

−3: Choose up to two target creatures. For each of them, put a number of +1/+1 counters on it equal to the number of colors it is.

−6: Return target multicolored card from your graveyard to your hand. If that card was all colors, draw a card and create two Treasure tokens.

Jared Carthalion can be your commander.

Whenever Jareth, Leonine Titan blocks, it gets +7/+7 until end of turn.

: Jareth gains protection from the color of your choice until end of turn.

(CARDNAME isn't a spell, it's affected by summoning sickness, it's blue, and it has ": Add .")

CARDNAME enters the battlefield tapped.

CARDNAME doesn't untap during your untap step.

At the beginning of your upkeep, you may pay . If you do, untap CARDNAME.

: 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.

Whenever a Zombie or Mutant you control dies, if its power was different from its base power, draw a card.

Come Fly With Me — , Sacrifice a creature: Put a +1/+1 counter on target creature you control. It gains flying until end of turn.

Flash

When Javelin of Lightning enters the battlefield, attach it to target creature you control.

As long as it's your turn, equipped creature gets +2/+0 and has first strike.

Equip (: Attach to target creature you control. Equip only as a sorcery.)

: Target red creature gains haste until end of turn.

, , Discard a card: Create a token that's a copy of another target creature you control. It gains haste and "When this creature dies, draw a card." Sacrifice it at the beginning of the next end step. Activate only as a sorcery.

Blitz (If you cast this spell for its blitz cost, it gains haste and "When this creature dies, draw a card." Sacrifice it at the beginning of the next end step.)

, , Discard a card: Destroy target blue permanent.

, , Discard a card: Jaya Ballard, Task Mage deals 3 damage to any target. A creature dealt damage this way can't be regenerated this turn.

, , Discard a card: Jaya Ballard deals 6 damage to each creature and each player.

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.

Jaya's Greeting deals 3 damage to target creature. Scry 1.

Flying, haste

Whenever Jaya's Phoenix deals combat damage to a player or planeswalker, copy the next loyalty ability you activate this turn when you activate it. You may choose new targets for the copy.

Whenever you cast a planeswalker spell, you may return Jaya's Phoenix from your graveyard to the battlefield.

First strike

: Attacking creatures you control get +X/+X until end of turn, where X is the number of attacking creatures.

Forestwalk (This creature can't be blocked as long as defending player controls a Forest.)

Whenever Jedit Ojanen of Efrava attacks or blocks, create a 2/2 green Cat Warrior creature token with forestwalk.

Vigilance

When Jedit's Dragoons enters the battlefield, you gain 4 life.

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.

Flying, vigilance

Whenever Jelenn Sphinx attacks, other attacking creatures get +1/+1 until end of turn.

Flying, vigilance

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

Partner with Madame Vastra

First strike

Training (Whenever this creature attacks with another creature with greater power, put a +1/+1 counter on this creature.)

Whenever you sacrifice a Clue or Food, put a +1/+1 counter on another target creature you control.

Whenever you cast a multicolored spell, scry 1. If that spell was all colors, create a 4/4 white Angel creature token with flying and vigilance.

, : Add .

Whenever Jerren, Corrupted Bishop enters the battlefield or another nontoken Human you control dies, you lose 1 life and create a 1/1 white Human creature token.

: Target Human you control gains lifelink until end of turn.

At the beginning of your end step, if you have exactly 13 life, you may pay . If you do, transform Jerren.

First strike, haste

: Jeska, Warrior Adept deals 1 damage to any target.

: Add , , or .

, , Sacrifice Jeskai Banner: Draw a card.

Choose one —

• Put target creature on top of its owner's library.

• Jeskai Charm deals 4 damage to target opponent or planeswalker.

• Creatures you control get +1/+1 and gain lifelink until end of turn.

Jeskai Infiltrator can't be blocked as long as you control no other creatures.

When Jeskai Infiltrator deals combat damage to a player, exile it and the top card of your library in a face-down pile, shuffle that pile, then manifest those cards. (To manifest a card, put it onto the battlefield face down as a 2/2 creature. Turn it face up any time for its mana cost if it's a creature card.)

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

When Jeskai Sage dies, draw a card.

Flying

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

, , Sacrifice Jester's Cap: Search target player's library for three cards and exile them. Then that player shuffles.

When Jester's Scepter enters the battlefield, exile the top five cards of target player's library face down. You may look at those cards for as long as they remain exiled.

, , Put a card exiled with Jester's Scepter into its owner's graveyard: Counter target spell if it has the same name as that card.

Black spells you cast cost less to cast.

More Than Meets the Eye (You may cast this card converted for .)

Flying

Remove one or more +1/+1 counters from among artifacts you control: Target player adds that much . This mana can't be spent to cast nonartifact spells. Convert Jetfire.

: Jetmir's Fixer gets +1/+1 until end of turn. If mana from a Treasure was spent to activate this ability, put a +1/+1 counter on Jetmir's Fixer instead.

2 — Trample

3 — : Monstrosity 3. (If this permanent isn't monstrous, put three +1/+1 counters on it and it becomes monstrous.)

3 — 2/7

4 — 6/5

Each opponent mills three cards, then you may cast a spell from each opponent's graveyard without paying its mana cost. If a spell cast this way would be put into a graveyard, exile it instead.

Vigilance, trample

When Jewel Thief enters the battlefield, create a Treasure token. (It's an artifact with ", Sacrifice this artifact: Add one mana of any color.")

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.

Flying

Sacrifice two lands: Jeweled Spirit gains protection from artifacts or from the color of your choice until end of turn.

Deathtouch

When Jewel-Eyed Cobra dies, create a Treasure token. (It's an artifact with ", Sacrifice this artifact: Add one mana of any color.")

Jhessian Infiltrator can't be blocked.

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.

, Exile a nonland card from your hand: Put four time counters on the exiled card. If it doesn't have suspend, it gains suspend. (At the beginning of your upkeep, remove a time counter from that card. When the last is removed, you may cast it without paying its mana cost. If it's a creature, it has haste.)

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 the battlefield, 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.