This spell can't be countered.

Bushido 2 (Whenever this creature blocks or becomes blocked, it gets +2/+2 until end of turn.)

: Regenerate target Samurai.

Whenever an opponent casts a Spirit or Arcane spell, Ishi-Ishi, Akki Crackshot deals 2 damage to that player.

Haste

When Itzquinth, Firstborn of Gishath enters the battlefield, you may pay . When you do, target Dinosaur you control deals damage equal to its power to another target creature.

: Draw a card, then discard a card. If there are five or more cards in your graveyard, exile Jace, Vryn's Prodigy, then return him to the battlefield transformed under his owner's control.

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.)

: Add . Spend this mana only to activate abilities.

Haste

, Sacrifice an artifact creature: Create two Treasure tokens.

, Sacrifice a noncreature artifact: Create two 1/1 colorless Construct artifact creature tokens.

When Jared Carthalion, True Heir enters the battlefield, target opponent becomes the monarch. You can't become the monarch this turn.

If damage would be dealt to Jared Carthalion while you're the monarch, prevent that damage and put that many +1/+1 counters on it.

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.

Whenever Jedit Ojanen, Mercenary or another legendary creature enters the battlefield under your control, 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.)

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 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.

: 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.

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

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

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.

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.

Whenever Jorn attacks, untap each snow permanent you control.

Other creatures you control get +1/+0.

Whenever a nontoken creature you control dies, Judith, the Scourge Diva deals 1 damage to any target.

, : Draw a card. If you have nine or more cards in hand, flip Jushi Apprentice.

Flying, vigilance

When Kaalia, Zenith Seeker enters the battlefield, look at the top six cards of your library. You may reveal an Angel card, a Demon card, and/or a Dragon card from among them and put them into your hand. Put the rest on the bottom of your library in a random order.

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.

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

Other creatures you control enter the battlefield with an additional +1/+1 counter on them for each mana from a Treasure spent to cast them.

Whenever one or more tokens enter the battlefield under your opponents' control, 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 enter the battlefield under your control, each opponent loses 1 life and you gain 1 life.

First strike, menace

Whenever Kari Zev, Skyship Raider attacks, create Ragavan, a legendary 2/1 red Monkey creature token. Ragavan enters the battlefield tapped and attacking. Exile that token at end of combat.

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

Other Rats you control have toxic 1.

When Karumonix enters the battlefield, 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.

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.

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.

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.

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.

Double strike

Other creatures you control get +1/+0 for each Aura and Equipment attached to Kellan, the Fae-Blooded.

First strike, haste

Whenever Kellogg, Dangerous Mind attacks, create a Treasure token.

Sacrifice five Treasures: Gain control of target creature for as long as you control Kellogg. Activate only as a sorcery.

Whenever Kemba, Kha Enduring or another Cat enters the battlefield under your control, attach up to one target Equipment you control to that creature.

Equipped creatures you control get +1/+1.

: Create a 2/2 white Cat creature token.

If you would scry a number of cards, scry that many cards plus one instead.

: Look at the top card of your library. If it's a Kraken, Leviathan, Octopus, or Serpent creature card, you may put it onto the battlefield. If you don't put the card onto the battlefield, you may put it on the bottom of your library.

Double strike; bushido 2 (Whenever this creature blocks or becomes blocked, it gets +2/+2 until end of turn.)

Legendary spells you cast cost less to cast.

Exile two legendary cards from your graveyard: Until end of turn, each legendary card in your graveyard gains "You may play this card from your graveyard."

: Exile the top card of your library. If it's a land card, put it into your hand. Otherwise, put a study counter on it.

: Create a 0/0 green and blue Fractal creature token. Put a +1/+1 counter on it for each different mana value among nonland cards you own in exile with study counters on them.

, : Target creature deals damage to itself equal to its power.

Other creatures you control get +1/+1.

: Put a +1/+1 counter on King Darien and create a 1/1 white Soldier creature token.

Sacrifice King Darien: Creature tokens you control gain hexproof and indestructible until end of turn.

Flying

Creatures you control have "Whenever this creature becomes the target of a spell or ability for the first time each turn, counter that spell or ability."

Reach

Modified creatures you control have trample. (Equipment, Auras you control, and counters are modifications.)

Whenever a modified creature you control deals combat damage to a player, search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

Spells your opponents cast that target a Merfolk you control cost more to cast.

Abilities your opponents activate that target a Merfolk you control cost more to activate.

As long as Kosei, Penitent Warlord is enchanted, equipped, and has a counter on it, Kosei has "Whenever Kosei, Penitent Warlord deals combat damage to an opponent, you draw that many cards and Kosei deals that much damage to each other opponent."

Whenever you cast an instant or sorcery spell, flip a coin. If you lose the flip, return that spell to its owner's hand. If you win the flip, copy that spell, and you may choose new targets for the copy.

Partner (You can have two commanders if both have partner.)

Whenever Krenko, Tin Street Kingpin attacks, put a +1/+1 counter on it, then create a number of 1/1 red Goblin creature tokens equal to Krenko's power.

When Kroxa enters the battlefield, sacrifice it unless it escaped.

Whenever Kroxa enters the battlefield or attacks, each opponent discards a card, then each opponent who didn't discard a nonland card this way loses 3 life.

Escape—, Exile five other cards from your graveyard. (You may cast this card from your graveyard for its escape cost.)

Other creatures have base power and toughness 2/2 and are Bears in addition to their other types.

Vigilance, menace, lifelink

Creature cards in graveyards can't enter the battlefield.

Players can't cast spells from graveyards.

At the beginning of each player's upkeep, that player sacrifices a creature.