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.

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.

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.)

Whenever you attack with one or more creatures with power 4 or greater, create a Treasure token.

, Sacrifice a Treasure: Jolene, Plundering Pugilist deals 1 damage to any target.

, , 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.

At the beginning of your end step, draw a card if your library has more cards in it than target opponent's library. Otherwise, each opponent mills five cards.

First strike

Metalcraft — Creatures you control get +3/+0 as long as you control three or more artifacts.

Whenever Jorn attacks, untap each snow permanent you control.

Create X Map tokens, where X is one plus the number of opponents who control an artifact. (Then exile this card. You may cast the creature later from exile.)

Whenever you cast an instant or sorcery spell, choose one —

• That spell gains deathtouch and lifelink.

• Create a 2/2 red Imp creature token with "When this creature dies, it deals 2 damage to each opponent."

Flying

When Jugan, the Rising Star dies, you may distribute five +1/+1 counters among any number of target creatures.

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.

When Jyoti, Moag Ancient enters, create a 1/1 green Forest Dryad land creature token for each time you've cast your commander from the command zone this game. (They're affected by summoning sickness.)

At the beginning of each combat, land creatures you control get +X/+X until end of turn, where X is Jyoti's power.

Flying

Whenever Kaalia of the Vast attacks an opponent, you may put an Angel, Demon, or Dragon creature card from your hand onto the battlefield tapped and attacking that opponent.

The first face-down creature spell you cast each turn costs less to cast.

Whenever a face-down creature you control enters, draw a card.

Whenever you commit a crime, exile up to one target black card from your graveyard and copy it. You may cast the copy. If you do, you lose 2 life. (Targeting opponents, anything they control, and/or cards in their graveyards is a crime. Copies of permanent spells become tokens.)

Kagemaro, First to Suffer's power and toughness are each equal to the number of cards in your hand.

, Sacrifice Kagemaro: All creatures get -X/-X until end of turn, where X is the number of cards in your hand.

Companion — Each creature card in your starting deck is a Cat, Elemental, Nightmare, Dinosaur, or Beast card. (If this card is your chosen companion, you may put it into your hand from outside the game for as a sorcery.)

Vigilance

Each other creature you control that's a Cat, Elemental, Nightmare, Dinosaur, or Beast gets +1/+1 and has vigilance.

At the beginning of your end step, goad each creature your opponents control that's enchanted by an Aura you control. Put a +1/+1 counter on Kaima, the Fractured Calm for each creature goaded this way. (Until your next turn, the goaded creatures attack each combat if able and attack a player other than you if able.)

Flying

Remove a ki counter from Kaiso, Memory of Loyalty: Prevent all damage that would be dealt to target creature this turn.

Whenever you cast your first instant spell each turn, if Kalamax, the Stormsire is tapped, copy that spell. You may choose new targets for the copy.

Whenever you copy an instant spell, put a +1/+1 counter on Kalamax.

, : Destroy target creature. If that creature dies this way, create a black Vampire creature token. Its power is equal to that creature's power and its toughness is equal to that creature's toughness.

: Target land becomes a 1/1 creature until end of turn. It's still a land.

: Creatures you control get +3/+3 and gain trample until end of turn.

Haste (This creature can attack and as soon as it comes under your control.)

: Kamahl, Pit Fighter deals 3 damage to any target.

Whenever one or more tokens your opponents control enter, for each of them, create a tapped token that's a copy of it. This ability triggers only once each turn.

Whenever one or more tokens you control enter, each opponent loses 1 life and you gain 1 life.

At the beginning of each player's draw step, that player draws an additional card.

Kicker <I>(You may pay an additional as you cast this spell.)</I>

Flying

When Kangee, Aerie Keeper enters, if it was kicked, put X feather counters on it.

Other Bird creatures get +1/+1 for each feather counter on Kangee, Aerie Keeper.

This spell costs less to cast for each creature card in your graveyard.

Once during each of your turns, you may cast a creature spell from your graveyard.

Whenever you attack a player, tap target creature that player controls and goad it. (Until your next turn, that creature attacks each combat if able and attacks a player other than you if able.)

Whenever an opponent attacks another one of your opponents, you and the attacking player each draw a card and lose 1 life.

When Kardur, Doomscourge enters, until your next turn, creatures your opponents control attack each combat if able and attack a player other than you if able.

Whenever an attacking creature dies, each opponent loses 1 life and you gain 1 life.

Whenever you attack, if it's the first combat phase of the turn, untap all attacking creatures. They gain first strike until end of turn. After this phase, there is an additional combat phase.

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

Karn, Legacy Reforged's power and toughness are each equal to the greatest mana value among artifacts you control.

At the beginning of your upkeep, add for each artifact you control. This mana can't be spent to cast nonartifact spells. Until end of turn, you don't lose this mana as steps and phases end.

Haste

At the beginning of each player's upkeep, that player untaps Karona, False God and gains control of it.

Whenever Karona attacks, creatures of the creature type of your choice get +3/+3 until end of turn.

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

Other Rats you control have toxic 1.

When Karumonix enters, look at the top five cards of your library. You may reveal any number of Rat cards from among them and put the revealed cards into your hand. Put the rest on the bottom of your library in a random order.

: Target creature can't be blocked this turn. If that creature is a Snake, it gets +2/+2 until end of turn.

Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for or one mana of that creature's color.)

Flying, vigilance, haste

Whenever you cast another spell that has convoke, scry 2, then draw a card.

Flying

Whenever one or more Birds you control deal combat damage to a player, choose one —

• You may put a Bird creature card from your hand or graveyard onto the battlefield with a finality counter on it.

• Put a +1/+1 counter on each Bird you control.

• Draw a card.

Whenever you put one or more time counters on a permanent you control, create a 1/1 white Soldier creature token.

Whenever Kate Stewart attacks, you may pay . If you do, attacking creatures get +X/+X until end of turn, where X is the number of time counters among permanents you control.

Whenever you cast a Human spell, target instant or sorcery card in your graveyard gains flashback until end of turn. The flashback cost is equal to its mana cost. (You may cast that card from your graveyard for its flashback cost. Then exile it.)

Protection from Werewolves

Human creatures you control have ": Add one mana of any of this creature's colors."

, : Put a +1/+1 counter on each creature you control.

Whenever a creature you control that was turned face up this turn deals combat damage to a player, draw a card.

: Turn target face-down attacking creature you control face up.

Flying, haste

: The next instant or sorcery spell you cast this turn costs less to cast, where X is the number of Wizards you control as this ability resolves.

Whenever a creature an opponent controls attacks, if you're the defending player, create a 3/3 red Ogre creature token unless that creature's controller pays .

Flying, indestructible

Kefnet the Mindful can't attack or block unless you have seven or more cards in hand.

: Draw a card, then you may return a land you control to its owner's hand.

Flying

When Keiga, the Tide Star dies, gain control of target creature.

Whenever Kellan, Daring Traveler attacks, reveal the top card of your library. If it's a creature card with mana value 3 or less, put it into your hand. Otherwise, you may put it into your graveyard.

: If Kellan is a Scout, it becomes a Human Faerie Detective and gains "Whenever Kellan deals combat damage to a player, exile the top card of your library. You may play that card this turn."

: If Kellan is a Detective, it becomes a 3/2 Human Faerie Rogue and gains double strike.