Jynxed Cardboard

Creature — Dragon

Flying Whenever one or more cards leave your graveyard during your turn, create a Treasure token. (It's an artifact with "{T}, Sacrifice this token: Add one mana of any color.") Renew — {2}{B}{G}{U}, Exile this card from your graveyard: Put two +1/+1 counters and a flying counter on target creature. Activate only as a sorcery.

Legendary Creature — God Hero Villain

Each creature you control that you've put one or more +1/+1 counters on this turn has hexproof. Whenever you draw your second card each turn, put a +1/+1 counter on Kid Loki.

Artifact — Equipment

When this Equipment enters, manifest dread, then attach this Equipment to that creature. (Look at the top two cards of your library. Put one onto the battlefield face down as a 2/2 creature and the other into your graveyard. Turn it face up any time for its mana cost if it's a creature card.) Equipped creature has menace. Equip {2}

Sorcery

Target creature gets +1/+1 until end of turn. Draw a card. Whenever one or more creatures you control deal combat damage to a player, you may pay {W/B}. If you do, return this card from your graveyard to your hand.

Enchantment

Creatures you control get +X/+X, where X is the number of creatures that entered the battlefield under your control this turn. At the beginning of combat on your turn, create a 1/1 green and white Kithkin creature token.

Enchantment

Creatures you control get +X/+X, where X is the number of creatures that entered the battlefield under your control this turn. At the beginning of combat on your turn, create a 1/1 green and white Kithkin creature token.

Kindred Sorcery — Elemental

Create a token that's a copy of target creature you control, except it has haste and "At the beginning of the end step, sacrifice this token." Flashback—{1}{R}, Behold three Elementals. (You may cast this card from your graveyard for its flashback cost. Then exile it. To behold an Elemental, choose an Elemental you control or reveal an Elemental card from your hand.)

Creature — Human Citizen

When this creature enters, draw a card.

Creature — Ooze

This creature enters with X +1/+1 counters on it. When this creature enters, destroy up to one target artifact or enchantment with mana value X or less. If X is 5 or more, you draw a card. If X is 10 or more, double the number of +1/+1 counters on any number of other target creatures.

Creature — Ooze

This creature enters with X +1/+1 counters on it. When this creature enters, destroy up to one target artifact or enchantment with mana value X or less. If X is 5 or more, you draw a card. If X is 10 or more, double the number of +1/+1 counters on any number of other target creatures.

Enchantment — Saga

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.) I — Each player mills four cards. Then you may exile a creature or planeswalker card from each graveyard. II, III — Until end of turn, you may cast spells from among cards exiled with this Saga, and you may spend mana as though it were mana of any color to cast those spells.

Creature — Human Assassin

{T}: Destroy target tapped creature. Activate only during your turn, before attackers are declared.

Legendary Artifact

Flash When King Solomon's Frogs enters, if you cast it, for each opponent, exile up to one target permanent that player controls with mana value 3 or greater. For each permanent exiled this way, its controller draws a card. {3}, {T}, Exile King Solomon's Frogs: You become the monarch.

Creature — Kithkin Citizen

As an additional cost to cast this spell, behold a Kithkin or pay {2}. (To behold a Kithkin, choose a Kithkin you control or reveal a Kithkin card from your hand.) Whenever another creature you control enters, this creature gets +1/+1 until end of turn.

Creature — Kithkin Soldier

First strike, lifelink Whenever this creature attacks, you may put a creature card with mana value X or less from your hand onto the battlefield tapped and attacking, where X is the number of attacking creatures you control.

Creature — Kithkin Soldier

First strike, lifelink Whenever this creature attacks, you may put a creature card with mana value X or less from your hand onto the battlefield tapped and attacking, where X is the number of attacking creatures you control.

Instant

Exile target permanent with mana value 3 or greater.

Creature — Merfolk

{T}: Untap another target permanent.

Legendary Creature — Merfolk Noble

When Kiora enters, draw two cards, then discard two cards. Threshold — Whenever Kiora attacks, if there are seven or more cards in your graveyard, you may create Scion of the Deep, a legendary 8/8 blue Octopus creature token.

Creature — Ape

This creature gets +1/+2 as long as you control a Forest.

Creature — Bird Scout

Flying Whenever a card leaves your graveyard during your turn, draw a card. This ability triggers only once each turn.

Creature — Human Citizen

When this creature enters, you may exile a creature card from your graveyard. When you do, return target instant or sorcery card from your graveyard to your hand.

Land

This land enters tapped unless you control an Island or a Swamp. {T}: Add {G}. {3}{G}, {T}: Surveil 2. (Look at the top two cards of your library, then put any number of them into your graveyard and the rest on top of your library in any order.)

Creature — Imp

Flying, haste Madness {B} (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.)

Creature — Elemental

Vivid — When this creature enters, create X 1/1 green and white Kithkin creature tokens, where X is the number of colors among permanents you control. Tap three untapped creatures you control: This creature gets +3/+0 and gains flying until end of turn.

Enchantment — Aura

Gift a card (You may promise an opponent a gift as you cast this spell. If you do, when it enters, they draw a card.) Enchant creature When this Aura enters, tap enchanted creature. If the gift wasn't promised, put three stun counters on it. You control enchanted creature.

Legendary Creature — Fox Warlock Avatar

Vigilance Whenever Kitsune enters or deals combat damage to a player, you may exchange control of two other target creatures controlled by different players.

Creature — Human Soldier

{T}: All combat damage that would be dealt to you by unblocked creatures this turn is dealt to this creature instead.

Legendary Enchantment Creature — God

Indestructible As long as your devotion to red and green is less than seven, Klothys isn't a creature. At the beginning of your first main phase, exile target card from a graveyard. If it was a land card, add {R} or {G}. Otherwise, you gain 2 life and Klothys deals 2 damage to each opponent.

Artifact Creature — Myr Knight

{2}{W}: Adapt 1. (If this creature has no +1/+1 counters on it, put a +1/+1 counter on it.) Whenever one or more +1/+1 counters are put on this creature, it gains double strike until end of turn.

Creature — Human Knight

Protection from black (This creature can't be blocked, targeted, dealt damage, or enchanted by anything black.) Exalted (Whenever a creature you control attacks alone, that creature gets +1/+1 until end of turn.)

Creature — Cat Knight Villain

Trample Whenever you put a +1/+1 counter on another creature, put a +1/+1 counter on this creature. This ability triggers only once each turn.

Sorcery

Put a +1/+1 counter on target creature you control, then it deals damage equal to its power to target creature an opponent controls.

Creature — Fox Spirit

Vigilance Whenever you draw your second card each turn, put a +1/+1 counter on this creature. When this creature dies, create a Clue token. (It's an artifact with "{2}, Sacrifice this token: Draw a card.")

Creature — Kor Soldier Ally

Rally — Whenever this creature or another Ally you control enters, creatures you control gain first strike until end of turn.

Artifact — Equipment

Equipped creature gets +1/+1 and has vigilance. Equip {1} ({1}: Attach to target creature you control. Equip only as a sorcery.)

Legendary Creature — Dragon Bard

You may look at the top card of your library any time. You may cast Dragon spells from the top of your library.

Creature — Kor Soldier

Flying When this creature enters, return a permanent you control to its owner's hand.

Creature — Kor Wizard

This creature gets +2/+2 for each Aura attached to it. Whenever you cast an Aura spell, you may draw a card.

Legendary Planeswalker — Koth

+1: Untap target Mountain. It becomes a 4/4 red Elemental creature until end of turn. It's still a land. −2: Add {R} for each Mountain you control. −5: You get an emblem with "Mountains you control have '{T}: This land deals 1 damage to any target.'"

Legendary Creature — Zombie Warrior

Indestructible Whenever Kotis deals combat damage to a player, exile the top X cards of their library, where X is the amount of damage dealt. You may cast any number of spells with mana value X or less from among them without paying their mana costs.

Legendary Creature — Mutant Ninja Bird

Flying When Koya enters, exile up to one other target creature. At the beginning of the next end step, you may pay {3}{B}. If you don't, return that card to the battlefield under its owner's control.

Creature — Eldrazi

{T}: Add {C}{C}.

Enchantment

Devoid (This card has no color.) Whenever you cast a creature spell with mana value 4, 5, or 6, create two 0/1 colorless Eldrazi Spawn creature tokens with "Sacrifice this token: Add {C}." Whenever you cast a creature spell with mana value 7 or greater, draw three cards.

Legendary Artifact Creature — Utrom Warrior

Affinity for artifacts (This spell costs {1} less to cast for each artifact you control.) When Krang enters, if you have fewer than four cards in hand, draw cards equal to the difference. Krang gets +1/+0 for each other artifact you control.

Legendary Creature — Utrom Human Ninja

Whenever Krang & Shredder enter or attack, each opponent exiles cards from the top of their library until they exile a nonland card. Disappear — At the beginning of your end step, if a permanent left the battlefield under your control this turn, you may cast a card exiled with Krang & Shredder without paying its mana cost.

Legendary Creature — Human Warrior Villain

Trample Whenever a creature an opponent controls with the greatest power among creatures that player controls dies, draw a card and put a +1/+1 counter on Kraven the Hunter.

Creature — Cow

At the beginning of your upkeep, roll a six-sided die. If you a roll a 1, sacrifice this creature and it deals 3 damage to each creature and each player.

Legendary Creature — Goblin

Haste {T}, Sacrifice an artifact: Put a +1/+1 counter on each Goblin you control. Whenever an artifact is put into a graveyard from the battlefield, you may pay {R}. If you do, create a 1/1 red Goblin creature token. It gains haste until end of turn.

Artifact Creature — Insect Thopter

Flying, trample When this creature enters, for each player, destroy up to one nonbasic land that player controls. For each land destroyed this way, its controller may search their library for a basic land card, put it onto the battlefield tapped, then shuffle.

Artifact Creature — Insect Thopter

Flying, trample When this creature enters, for each player, destroy up to one nonbasic land that player controls. For each land destroyed this way, its controller may search their library for a basic land card, put it onto the battlefield tapped, then shuffle.

Sorcery

Create two 1/1 red Goblin creature tokens.

Legendary Creature — Archon

Flying, vigilance Whenever Krond attacks, if it's enchanted, exile target permanent.

Land

This land enters tapped. {T}: Add {C}. {2}, {T}, Sacrifice this land: Search your library for a Forest card and a Plains card, put them onto the battlefield tapped, then shuffle.

Creature — Vampire

At the beginning of each end step, if a creature dealt damage by this creature this turn died, put that card onto the battlefield under your control. Sacrifice it when you lose control of this creature.

Creature — Human Cleric

{X}{B}, {T}, Pay X life: This creature endures X. Activate only as a sorcery. (Put X +1/+1 counters on it or create an X/X white Spirit creature token.)

Legendary Creature — Bear

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

Creature — Elemental Knight

Flying Wither (This deals damage to creatures in the form of -1/-1 counters.) Creatures your opponents control with counters on them can't attack or block.