Whenever an opponent casts a creature spell, that player loses 2 life unless they pay .

Flying

When Isperia's Skywatch enters the battlefield, detain target creature an opponent controls. (Until your next turn, that creature can't attack or block and its activated abilities can't be activated.)

When It That Gets Left Hanging enters the battlefield, ask a person outside the game to high-five you. If they won't, It That Gets Left Hanging gains haste until end of turn.

Izzet Guildgate enters the battlefield tapped.

: Add or .

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.

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

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

(You may cast a legendary sorcery only if you control a legendary creature or planeswalker.)

Jaya's Immolating Inferno deals X damage to each of up to three targets.

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.)

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

, : Target player loses 1 life.

, : Create a 1/1 green Saproling creature token.

As long as Juniper Order Advocate is untapped, green creatures you control get +1/+1.

Level up (: Put a level counter on this. Level up only as a sorcery.)

LEVEL 2-4

3/6

Other creatures you control get +1/+1.

LEVEL 5+

4/8

Other creatures you control get +2/+2.

Whenever an opponent casts a noncreature spell, that player loses 2 life and you gain 2 life.

+4: Target player exiles a card from their hand.

−3: Exile target permanent.

−14: Restart the game, leaving in exile all non-Aura permanent cards exiled with Karn Liberated. Then put those cards onto the battlefield under your control.

Protection from blue

Enchant creature

Enchanted creature loses all abilities and has base power and toughness 1/1.

All artifacts have "At the beginning of your upkeep, sacrifice this artifact unless you pay ."

Flying

: Regenerate Kathari Remnant.

Cascade (When you cast this spell, exile cards from the top of your library until you exile a nonland card that costs less. You may cast it without paying its mana cost. Put the exiled cards on the bottom of your library in a random order.)

Trample

Whenever an opponent gains life, put that many +1/+1 counters on Kavu Predator.

When Kederekt Leviathan enters the battlefield, return all other nonland permanents to their owners' hands.

Unearth (: Return this card from your graveyard to the battlefield. It gains haste. Exile it at the beginning of the next end step or if it would leave the battlefield. Unearth only as a sorcery.)

Trample

Keldon Battlewagon can't block.

When Keldon Battlewagon attacks, sacrifice it at end of combat.

Tap an untapped creature you control: Keldon Battlewagon gets +X/+0 until end of turn, where X is the power of the creature tapped this way.

Enchant creature

When Kenrith's Transformation enters the battlefield, draw a card.

Enchanted creature loses all abilities and is a green Elk creature with base power and toughness 3/3. (It loses all other card types and creature types.)

Bestow (If you cast this card for its bestow cost, it's an Aura spell with enchant creature. It becomes a creature again if it's not attached to a creature.)

Enchanted creature gets +4/+4.

Whenever an enchanted creature or enchantment creature you control attacks, draw a card.

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 Kheru Spellsnatcher is turned face up, counter target spell. If that spell is countered this way, exile it instead of putting it into its owner's graveyard. You may cast that card without paying its mana cost for as long as it remains exiled.

For each player, choose friend or foe. Each friend discards all cards from their hand, then draws that many cards plus one. Khorvath's Fury deals damage to each foe equal to the number of cards in their hand.

Create an X/X black and green Spirit Warrior creature token, where X is the greatest toughness among creatures you control.

Destroy all creatures. They can't be regenerated.

Threshold — If seven or more cards are in your graveyard, instead destroy all creatures, then create two 1/1 white Spirit creature tokens with flying. Creatures destroyed this way can't be regenerated.

As long as you control a Giant, Kithkin Greatheart gets +1/+1 and has first strike.

Vigilance

Extort (Whenever you cast a spell, you may pay . If you do, each opponent loses 1 life and you gain that much life.)

Create two 2/2 white Knight creature tokens with vigilance.

Prowl (You may cast this for its prowl cost if you dealt combat damage to a player this turn with a Rogue.)

Search target opponent's library for an instant or sorcery card. You may cast that card without paying its mana cost. Then that player shuffles their library.

Kor Castigator can't be blocked by Eldrazi Scions.

: Target creature can't block Kozilek's Pathfinder this turn. ( represents colorless mana.)

Devoid (This card has no color.)

Pay 1 life: Add . Activate this ability only once each turn. ( represents colorless mana.)

Enchant creature

Enchanted creature can't attack or block, and its activated abilities can't be activated.

, Return Krasis Incubation to its owner's hand: Put two +1/+1 counters on enchanted creature.

Target player shuffles up to two target cards from their graveyard into their library.

Flashback (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Whenever Kukemssa Pirates attacks and isn't blocked, you may gain control of target artifact defending player controls. If you do, Kukemssa Pirates assigns no combat damage this turn.

Vigilance, menace, lifelink

Creature cards in graveyards can't enter the battlefield.

Players can't cast spells from graveyards.

Tap an untapped creature you control: Kyren Negotiations deals 1 damage to target player or planeswalker.

When Laboratory Brute enters the battlefield, put the top four cards of your library into your graveyard.

Lairwatch Giant can block an additional creature each combat.

Whenever Lairwatch Giant blocks two or more creatures, it gains first strike until end of turn.

When Laquatus's Champion enters the battlefield, target player loses 6 life.

When Laquatus's Champion leaves the battlefield, that player gains 6 life.

: Regenerate Laquatus's Champion.

Counter target spell cast from a graveyard.

Draw a card.

Latch Seeker can't be blocked.

Flying

Whenever another nontoken Dragon enters the battlefield under your control, create a 5/5 red Dragon creature token with flying.

: Dragons you control get +1/+0 until end of turn.

, , Discard two cards: Latulla, Keldon Overseer deals X damage to any target.

Amass 1. (Put a +1/+1 counter on an Army you control. If you don't control one, create a 0/0 black Zombie Army creature token first.)

You and permanents you control gain hexproof until end of turn. (You and they can't be the targets of spells or abilities your opponents control.)

Red creatures you control get +1/+0.

White creatures you control get +0/+1.

, Exile Legion's Initiative: Exile all creatures you control. At the beginning of the next combat, return those cards to the battlefield under their owner's control and those creatures gain haste until end of turn.