Jynxed Cardboard

Legendary Creature — Human Soldier Hero

Flying, first strike, ward {1} Whenever Captain America attacks, each other Hero you control gets +X/+X until end of turn, where X is Captain America's toughness.

Legendary Creature — Kree Soldier Hero

Flying, vigilance Cosmic Awareness — As long as an opponent has cast a spell this turn, you may cast spells as though they had flash.

Creature — Human Wizard

Whenever another Human you control enters, untap this creature. {1}{U}, {T}: You may tap or untap target permanent.

Legendary Creature — Human Pirate

Whenever an artifact you control enters, put a +1/+1 counter on target Pirate you control.

Artifact — Vehicle

Flying, vigilance {T}: Add {C}. Spend this mana only to cast an artifact spell or activate an ability of an artifact source. Crew 1 (Tap any number of creatures you control with total power 1 or more: This Vehicle becomes an artifact creature until end of turn.)

Enchantment — Aura

Enchant land you control Enchanted land has "{W}{W}, {T}: Create a 0/1 white Caribou creature token." Sacrifice a Caribou token: You gain 1 life.

Legendary Creature — Symbiote Villain

Trample When Carnage enters, return target creature card with mana value 3 or less from your graveyard to the battlefield. It gains "This creature attacks each combat if able" and "When this creature deals combat damage to a player, sacrifice it." Mayhem {B}{R}

Creature — Phyrexian Demon

Flying This creature enters with two -1/-1 counters on it. {B}, Remove a -1/-1 counter from this creature: Put a -1/-1 counter on each other creature.

Enchantment

At the beginning of each of your main phases, if you haven't added mana with this ability this turn, you may add X mana of any one color, where X is the number of Islands target opponent controls.

Creature — Vampire

When this creature dies, create a 1/1 colorless Eldrazi Scion creature token. It has "Sacrifice this token: Add {C}."

Legendary Creature — Human Warrior

Whenever Carth enters or a planeswalker you control dies, look at the top seven cards of your library. You may reveal a planeswalker card from among them and put it into your hand. Put the rest on the bottom of your library in a random order. Planeswalkers' loyalty abilities you activate cost an additional [+1] to activate.

Enchantment — Aura Cartouche

Enchant creature you control When this Aura enters, create a 1/1 white Warrior creature token with vigilance. Enchanted creature gets +1/+1 and has first strike. (It deals combat damage before creatures without first strike.)

Enchantment — Case

When this Case enters, discard a card, then draw two cards. To solve — You have no cards in hand. (If unsolved, solve at the beginning of your end step.) Solved — At the beginning of your upkeep, discard your hand, then draw two cards.

Enchantment — Case

When this Case enters, create a 2/1 black Skeleton creature token and suspect it. (It has menace and can't block.) To solve — You control no suspected Skeletons. (If unsolved, solve at the beginning of your end step.) Solved — {1}{B}, Sacrifice this Case: Search your library for a card, put it into your hand, then shuffle. Activate only as a sorcery.

Enchantment — Case

Whenever a creature you control enters, you gain 1 life. To solve — You've gained 5 or more life this turn. (If unsolved, solve at the beginning of your end step.) Solved — Sacrifice this Case: Creature cards in your graveyard gain "You may cast this card from your graveyard" until end of turn.

Legendary Creature — Human Berserker

Haste When Casey Jones enters, look at the top four cards of your library. You may reveal an artifact card from among them and put it into your hand. Put the rest on the bottom of your library in a random order.

Enchantment — Aura

Enchant creature When enchanted creature dies, draw three cards, then discard one of them.

Enchantment

Untapped creatures you control get +0/+2.

Land

{T}: Add {C}. {T}: Add one mana of any color. Spend this mana only to cast an artifact spell. {3}, {T}, Sacrifice an artifact: Create a 3/3 colorless Robot Villain artifact creature token named Doombot. Activate only as a sorcery.

Land

This land enters tapped unless you control a Swamp. {T}: Add {B}. {1}{B}{B}, {T}: Draw a card, then you lose life equal to the number of cards in your hand.

Land

{T}: Add {C}. {1}, {T}: Add {B}. {2}, {T}: Add {U} or {R}.

Sorcery

Choose one or more — • Destroy target artifact. • Destroy target creature. • Destroy target enchantment. • Destroy target land. • Destroy target planeswalker.

Sorcery

Each player chooses from among the permanents they control an artifact, a creature, an enchantment, and a land, then sacrifices the rest.

Creature — Human Citizen

When this creature enters, create a Food token. (It's an artifact with "{2}, {T}, Sacrifice this token: You gain 3 life.") Whenever you gain life for the first time during each of your turns, create a 1/1 white Cat creature token.

Sorcery

Search your library for a Mercenary card, reveal that card, put it into your hand, then shuffle.

Creature — Fish Crocodile

Lifelink When this creature enters, it deals damage equal to the number of Swamps you control to any target.

Creature — Human Soldier

Flash {1}, Sacrifice this creature: Destroy target artifact or enchantment.

Enchantment — Aura

Enchant creature Enchanted creature has vigilance and "At the beginning of your end step, create a 1/1 white Human creature token."

Sorcery

The owner of target artifact or enchantment an opponent controls shuffles it into their library. You may shuffle up to four target cards from your graveyard into your library.

Instant

Choose one — • Cathartic Pyre deals 3 damage to target creature or planeswalker. • Discard up to two cards, then draw that many cards.

Sorcery

As an additional cost to cast this spell, discard two cards. Draw three cards.

Creature — Human Cleric

Each creature you control with a counter on it has ward {1}. (Whenever it becomes the target of a spell or ability an opponent controls, counter it unless that player pays {1}.) {T}: Put a +1/+1 counter on target creature that entered this turn.

Creature — Human Cleric

When this creature enters, you gain 3 life.

Artifact Creature — Construct

When this creature dies, add {C}{C}{C}.

Creature — Snake Horse Mount

Whenever this creature attacks, reveal the top card of your library and put it into your hand. You lose life equal to that card's mana value if this creature isn't saddled. Otherwise, each opponent loses that much life. Saddle 3 (Tap any number of other creatures you control with total power 3 or more: This Mount becomes saddled until end of turn. Saddle only as a sorcery.)

Creature — Harpy Beast

Flying When this creature enters, return a blue or black creature you control to its owner's hand. Pay 1 life: Return this creature to its owner's hand.

Legendary Creature — Dwarf Artificer

Fabricate 1 (When this creature enters, put a +1/+1 counter on it or create a 1/1 colorless Servo artifact creature token.) Other nontoken creatures you control have fabricate 1. {2}, {T}: Choose one — • Populate. • Proliferate.

Sorcery

Destroy all creatures. Then create a 3/2 red and white Spirit creature token for each nontoken creature you controlled that was destroyed this way.

Sorcery

Destroy all creatures. Then create a 3/2 red and white Spirit creature token for each nontoken creature you controlled that was destroyed this way.

Creature — Elemental

Flying Whenever you cast an enchantment spell, put a +1/+1 counter on each creature you control.

Artifact — Equipment

Flash (You may cast this spell any time you could cast an instant.) When this Equipment enters, attach it to target creature you control. That creature gains hexproof and indestructible until end of turn. Equipped creature gets +2/+0 and has flying. Equip {3}{W} ({3}{W}: Attach to target creature you control. Equip only as a sorcery.)

Artifact

{3}, {T}: Target creature you control gets +3/+3 until end of turn. Its controller sacrifices it at the beginning of the next end step.

Creature — Zombie

Menace When this creature enters or dies, exile another card from a graveyard. When you do, choose one — • Remove X counters from target permanent, where X is the mana value of the exiled card. • Target creature an opponent controls gets -X/-X until end of turn, where X is the mana value of the exiled card.

Creature — Merfolk Scout

When this creature enters, it explores. (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.)

Creature — Centaur Warrior

Heroic — Whenever you cast a spell that targets this creature, put three +1/+1 counters on this creature.

Enchantment — Room // Enchantment — Room

Land

{T}: Add {U}. This land deals 1 damage to you. Threshold — {U}, {T}, Sacrifice this land: Target player draws three cards, then discards three cards. Activate only if there are seven or more cards in your graveyard.

Creature — Octopus Wizard

When this creature enters, surveil 3. (Look at the top three cards of your library, then put any number of them into your graveyard and the rest on top of your library in any order.) Threshold — This creature can't be blocked as long as there are seven or more cards in your graveyard.

Instant

Surveil X, where X is the number of artifacts you control. Then draw three cards. (To surveil X, look at the top X cards of your library, then put any number of them into your graveyard and the rest on top of your library in any order.)

Instant

Freerunning {1}{B} (You may cast this spell for its freerunning cost if you dealt combat damage to a player this turn with an Assassin or commander.) Destroy target creature. If another creature died this turn, draw a card.

Creature — Devil

Animate Chains — When this creature enters, each player sacrifices a nontoken creature of their choice.

Creature — Devil

This creature doesn't untap during your untap step. {1}, Sacrifice another creature: Untap this creature. Activate only during your turn.

Sorcery

Chain Reaction deals X damage to each creature, where X is the number of creatures on the battlefield.

Enchantment

When this enchantment enters, return up to one target instant or sorcery card from your graveyard to your hand. Whenever you cast an instant or sorcery spell, draw a card. Then discard a card unless there are three or more Lesson cards in your graveyard.

Creature — Kithkin Knight

Flash As an additional cost to cast this spell, behold a Kithkin and exile it. (Exile a Kithkin you control or a Kithkin card from your hand.) Other Kithkin you control get +1/+1. When this creature leaves the battlefield, return the exiled card to its owner's hand.

Creature — Merfolk Soldier

As an additional cost to cast this spell, behold a Merfolk and exile it. (Exile a Merfolk you control or a Merfolk card from your hand.) Whenever this creature enters or becomes tapped, tap up to one target creature and put a stun counter on it. When this creature leaves the battlefield, return the exiled card to its owner's hand.

Creature — Merfolk Soldier

As an additional cost to cast this spell, behold a Merfolk and exile it. (Exile a Merfolk you control or a Merfolk card from your hand.) Whenever this creature enters or becomes tapped, tap up to one target creature and put a stun counter on it. When this creature leaves the battlefield, return the exiled card to its owner's hand.

Legendary Planeswalker — Chandra

At the beginning of combat on your turn, choose up to one target Vehicle you control. Until end of turn, it becomes an artifact creature and gains haste. +2: You may sacrifice an artifact or discard a card. If you do, draw a card. 0: Create a 3/2 colorless Vehicle artifact token with crew 1. −7: You get an emblem with "Whenever an artifact you control enters, this emblem deals 3 damage to any target."