As Hammer Jammer enters, roll a six-sided die. Hammer Jammer enters with a number of +1/+1 counters on it equal to the result.

Whenever you roll a die, remove all +1/+1 counters from Hammer Jammer, then put a number of +1/+1 counters on it equal to the result.

Target player draws three cards and loses 3 life.

Cast this spell only during the declare attackers step and only if you've been attacked this step.

This turn, whenever an attacking creature deals combat damage to you, it deals that much damage to its controller.

Whenever you sacrifice a permanent, Havoc Jester deals 1 damage to any target.

Gain control of target artifact or creature until end of turn. Untap it. It gains haste until end of turn.

Rampage 1 <I>(Whenever this creature becomes blocked, it gets +1/+1 until end of turn for each creature blocking it beyond the first.)</I>

Icatian Javelineers enters with a javelin counter on it.

, Remove a javelin counter from Icatian Javelineers: It deals 1 damage to any target.

Flying

When Indentured Djinn enters, each other player may draw up to three cards.

Trample

Inferno Project enters with X +1/+1 counters on it, where X is the total mana value of instant and sorcery cards in your graveyard.

When Injector Crocodile dies, incubate 3. (Create an Incubator token with three +1/+1 counters on it and ": Transform this artifact." It transforms into a 0/0 Phyrexian artifact creature.)

Swampcycling (, Discard this card: Search your library for a Swamp card, reveal it, put it into your hand, then shuffle.)

Damage can't be prevented this turn. If a source you control would deal damage this turn, it deals double that damage instead.

Return target permanent card from your graveyard to the battlefield, then distribute four +1/+1 counters among any number of creatures and/or Vehicles target player controls.

Exile target creature or enchantment.

Island Fish Jasconius doesn't untap during your untap step.

At the beginning of your upkeep, you may pay . If you do, untap Island Fish Jasconius.

Island Fish Jasconius can't attack unless defending player controls an Island.

When you control no Islands, sacrifice Island Fish Jasconius.

, : Target creature gains flanking until end of turn. <I>(Whenever a creature without flanking blocks this creature, the blocking creature gets -1/-1 until end of turn.)</I>

+2: Each player draws a card.

−1: Target player draws a card.

−10: Target player mills twenty cards.

Whenever you draw your second card each turn, put a +1/+1 counter on target creature you control.

+1: Draw a card.

−7: Creatures you control can't be blocked this turn.

+1: Whenever one or more creatures you control deal combat damage to a player this turn, draw a card, then discard a card.

−2: Create a 2/2 blue Illusion creature token with "When this creature becomes the target of a spell, sacrifice it."

−5: Create two tokens that are copies of Jace, Cunning Castaway, except they're not legendary.

+1: Draw a card. Target player mills a card.

0: Target player mills ten cards.

−7: Any number of target players each draw twenty cards.

+1: Up to one target creature gets -2/-0 until your next turn.

−3: You may cast target instant or sorcery card from your graveyard this turn. If that spell would be put into your graveyard, exile it instead.

−9: You get an emblem with "Whenever you cast a spell, target opponent mills five cards."

+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.

+1: Scry 1, then draw a card.

−2: Return target creature to its owner's hand.

−8: You get an emblem with "Whenever an opponent casts their first spell each turn, counter that spell."

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

+1: Target player mills two cards. Draw a card.

−8: Draw seven cards. Then if your library has no cards in it, you win the game.

Counter target blue spell. If it was a Jace planeswalker spell, scry 2.

Draw three cards.

Flying

Jace's Phantasm gets +4/+4 as long as an opponent has ten or more cards in their graveyard.

Return up to two target creatures to their owner's hand. You may search your library and/or graveyard for a card named Jace, Arcane Strategist, reveal it, and put it into your hand. If you search your library this way, shuffle.

Target creature gets -4/-0 until end of turn.

Investigate. (Create a Clue token. It's an artifact with ", Sacrifice this artifact: Draw a card.")

Draw two cards. If you control a Jace planeswalker, draw three cards instead.

Whenever Jackal Pup is dealt damage, it deals that much damage to you.

Whenever Jackdaw deals combat damage to a player, you may discard your hand. If you do, draw a card for each artifact you control.

Crew 3

Ravenous (This creature enters with X +1/+1 counters on it. If X is 5 or more, draw a card when it enters.)

Whenever Jacked Rabbit attacks, create a number of 1/1 white Rabbit creature tokens equal to Jacked Rabbit's power.

: Roll a six-sided die. This ability has the indicated effect.

1 — Sacrifice Jack-in-the-Mox and you lose 5 life.

2 — Add .

3 — Add .

4 — Add .

5 — Add .

6 — Add .

, , Sacrifice Jack-o'-Lantern: Exile up to one target card from a graveyard. Draw a card.

, Exile Jack-o'-Lantern from your graveyard: Add one mana of any color.

: Draw a card, then exile a card from your hand face down. You may look at that card for as long as it remains exiled. You may pay . If you do, transform Jacob Hauken, Inspector.

At the beginning of your end step, if you control no creatures with decayed, create a 2/2 black Zombie creature token with decayed. (It can't block. When it attacks, sacrifice it at end of combat.)

Defender

Landfall — Whenever a land you control enters, you gain 1 life.

When Jade Bearer enters, put a +1/+1 counter on another target Merfolk you control.

Whenever you cast a Spirit or Arcane spell, Jade Idol becomes a 4/4 Spirit artifact creature until end of turn.

: Create a 1/1 green Saproling creature token.

: Add . When you spend this mana to cast a Dragon creature spell, it enters with an additional +1/+1 counter on it and gains hexproof until your next turn. (It can't be the target of spells or abilities your opponents control.)

: Jade Statue becomes a 3/6 Golem artifact creature until end of combat. Activate only during combat.

Defender

Whenever you draw your second card each turn, Jaded Analyst loses defender and gains vigilance until end of turn.

When Jaded Sell-Sword enters, if mana from a Treasure was spent to cast it, it gains first strike and haste until end of turn.

When Jadelight Ranger enters, it explores, then it explores again. (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. Then repeat this process.)

Discard a card: Return Jadzi, Oracle of Arcavios to its owner's hand.

Magecraft — Whenever you cast or copy an instant or sorcery spell, reveal the top card of your library. If it's a nonland card, you may cast it by paying rather than paying its mana cost. If it's a land card, put it onto the battlefield.

Jagged Lightning deals 3 damage to each of two target creatures.

Jagged-Scar Archers's power and toughness are each equal to the number of Elves you control.

: Jagged-Scar Archers deals damage equal to its power to target creature with flying.

Tokens you control have ": Add ."

Choose a Background (You can have a Background as a second commander.)

Return target permanent card in an opponent's graveyard to the battlefield under their control. When that permanent enters, return up to one target permanent card with equal or lesser mana value from your graveyard to the battlefield.