Jynxed Cardboard

Creature — Merfolk Soldier

At the beginning of your end step, untap target Merfolk you control. Other Merfolk you control get +1/+1.

Creature — Merfolk Spirit

At the beginning of combat on your turn, this creature explores. Then you may have it become a copy of another creature you control until end of turn. (To have this creature explore, 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 — Homarid Mercenary

Whenever you commit a crime, each opponent mills three cards. This ability triggers only once each turn. (Targeting opponents, anything they control, and/or cards in their graveyards is a crime.)

Creature — Merfolk Warrior

Whenever another Merfolk you control enters, put a +1/+1 counter on target Merfolk you control.

Creature — Merfolk Druid

Merfolk and Druid cards in your graveyard have retrace. (You may cast cards with retrace from your graveyard by discarding a land card in addition to paying their other costs.)

Enchantment

Whenever you cast a Merfolk spell, create a 1/1 blue Merfolk creature token with hexproof. (A creature with hexproof can't be the target of spells or abilities your opponents control.)

Creature — Merfolk Wizard

Flash When this creature enters, untap each other Merfolk you control. As long as you attacked with three or more Merfolk this turn, Merfolk you control get +1/+0.

Creature — Merfolk Wizard

Flash When this creature enters, untap each other Merfolk you control. As long as you attacked with three or more Merfolk this turn, Merfolk you control get +1/+0.

Enchantment — Aura

Enchant creature Prevent all damage that would be dealt by enchanted creature.

Enchantment

Rather than the attacking player, you assign the combat damage of each creature attacking you. You can divide that creature's combat damage as you choose among any of the creatures blocking it.

Creature — Human Survivor

Survival — At the beginning of your second main phase, if this creature is tapped, manifest dread. (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.)

Sorcery

Defibrillating Current deals 4 damage to target creature or planeswalker and you gain 2 life.

Enchantment — Room // Enchantment — Room

Creature — Demon

Menace Whenever a creature you control deals combat damage to a player, you gain 1 life. At the beginning of your end step, each opponent loses X life, where X is the amount of life you gained this turn.

Instant

Change the target of target spell with a single target.

Enchantment — Aura

Enchant creature (Target a creature as you cast this. This card enters attached to that creature.) Enchanted creature doesn't untap during its controller's untap step.

Enchantment Creature — Horror

Trample, haste Delirium — Whenever this creature attacks, if there are four or more card types among cards in your graveyard, other attacking creatures get +4/+4 until end of turn.

Kindred Enchantment — Demon

Whenever one or more Demons you control attack a player, you draw a card and lose 1 life. At the beginning of your end step, create a 5/5 black Demon creature token with flying, then mill two cards. If two cards that share all their card types were milled this way, sacrifice this enchantment.

Enchantment — Aura

Enchant creature Enchanted creature gets +1/+1 and has menace and trample. When this Aura is put into a graveyard from the battlefield, draw a card. Plot {R} (You may pay {R} and exile this card from your hand. Cast it as a sorcery on a later turn without paying its mana cost. Plot only as a sorcery.)

Creature — Demon

Flying At the beginning of your upkeep, sacrifice a creature other than this creature.

Creature — Demon

Flying At the beginning of your upkeep, sacrifice a creature other than this creature.

Creature — Demon

Flying When this creature enters, exile it unless you sacrifice another creature. Undying (When this creature dies, if it had no +1/+1 counters on it, return it to the battlefield under its owner's control with a +1/+1 counter on it.)

Artifact — Equipment

Equipped creature gets +4/+2. Equip—Sacrifice a creature.

Artifact — Equipment

Equipped creature gets +4/+2. Equip—Sacrifice a creature.

Creature — Demon

Flying When this creature enters, all other creatures get -2/-2 until end of turn. Whenever another creature dies, you get {E} (an energy counter). {2}{B}, Pay {E}{E}{E}{E}: Put target creature card from a graveyard onto the battlefield under your control tapped.

Artifact Creature — Demon Wall

Defender Menace (This creature can't be blocked except by two or more creatures.) As long as this creature has a counter on it, it can attack as though it didn't have defender. {5}{B}: Put two +1/+1 counters on this creature.

Legendary Creature — Human Noble

At the beginning of your end step, if a creature died under your control this turn, create a 1/1 white Human Soldier creature token. {2}, Sacrifice another creature: Each opponent loses 1 life and you gain 1 life.

Instant

Choose a card name, then target spell's controller reveals their hand. If a card with the chosen name is revealed this way, counter that spell.

Enchantment

Creatures can't be the targets of spells.

Creature — Spirit Pirate

When this creature becomes the target of a spell, sacrifice it. This creature can't be blocked except by Spirits. {3}{U}: Another target creature you control can't be blocked this turn except by Spirits.

Sorcery

Each player who controls a multicolored creature draws a card. Then destroy all creatures.

Creature — Wolf

Menace (This creature can't be blocked except by two or more creatures.)

Creature — Human Soldier

Whenever this creature attacks, you may pay {1}{W}. If you do, it endures 1. (Put a +1/+1 counter on it or create a 1/1 white Spirit creature token.)

Enchantment

Whenever one or more creatures you control deal combat damage to a player, you may sacrifice one of them. If you do, reveal cards from the top of your library until you reveal a creature card that shares a creature type with the sacrificed creature. Put that card onto the battlefield and the rest on the bottom of your library in a random order.

Sorcery

Exile all creatures. Delirium — Create a 4/4 white Angel creature token with flying if there are four or more card types among cards in your graveyard.

Instant

Return target nonland permanent to its owner's hand. If it was attacking, create a 1/1 colorless Drone artifact creature token with flying and "This token can block only creatures with flying."

Creature — Zombie Snake

{3}{B}: Target opponent loses 2 life and you gain 2 life. Activate only if you control a Liliana planeswalker.

Instant

Exile target permanent with mana value 4 or greater.

Instant

Exile target permanent with mana value 4 or greater.

Creature — Vampire

Lifelink When this creature enters, target player mills two cards. (They put the top two cards of their library into their graveyard.)

Instant

Target creature gets +1/-1 until end of turn. When it dies under your control this turn, draw two cards.

Sorcery — Lesson

As an additional cost to cast this spell, sacrifice a creature. Choose one or both — • Return target creature card from your graveyard to the battlefield if its power is less than or equal to the sacrificed creature's power. • Destroy target creature.

Creature — Horror

This creature can't block. {B}{B}, Exile two other creature cards from your graveyard: Return this card from your graveyard to the battlefield.

Artifact

{T}: Destroy target permanent you own. It can't be regenerated.

Sorcery

Each player chooses any number of creatures they control with total power 4 or less, then sacrifices all other creatures they control.

Instant

Choose one — • Destroy target creature with toughness 4 or greater. • Destroy target enchantment.

Creature — Dragon

Flying When this creature dies, destroy target noncreature permanent.

Enchantment

When this enchantment enters, you may exile target nonland permanent not named Detention Sphere and all other permanents with the same name as that permanent. When this enchantment leaves the battlefield, return the exiled cards to the battlefield under their owner's control.

Sorcery

As an additional cost to cast this spell, return a land you control to its owner's hand. Devour in Flames deals 5 damage to target creature or planeswalker.

Sorcery

Gift a card (You may promise an opponent a gift as you cast this spell. If you do, they draw a card before its other effects.) Return up to two target creature cards each with mana value 2 or less from your graveyard to the battlefield. If the gift was promised, instead return up to three target creature cards each with mana value 2 or less from your graveyard to the battlefield.

Instant

Target player sacrifices a creature of their choice.

Sorcery

Look at the top five cards of your library. Put one of them into your hand and the rest on top of your library in any order.

Artifact Creature — Horse

As this creature enters, choose a color. Whenever you cast a spell of the chosen color, you gain 1 life.

Artifact — Book

Whenever you cast an instant or sorcery spell, put a page counter on this artifact. {5}, {T}: Draw a card. This ability costs {1} less to activate for each page counter on this artifact.

Enchantment

Flash Creatures you control get +2/+2.

Instant

Counter target spell. Its controller mills three cards.

Artifact Creature — Gnome

Sacrifice this creature: Exile up to four target cards from a single graveyard. Activate only as a sorcery. When this creature dies, you may pay {4}. If you do, discover 4. (Exile cards from the top of your library until you exile a nonland card with mana value 4 or less. Cast it without paying its mana cost or put it into your hand. Put the rest on the bottom in a random order.)

Sorcery

Put a +1/+1 counter on target creature you control. It gains vigilance until end of turn. Flashback {W} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Instant

Delve (Each card you exile from your graveyard while casting this spell pays for {1}.) Look at the top seven cards of your library. Put two of them into your hand and the rest on the bottom of your library in any order.

Sorcery

Cleave {1}{B}{B}{G} (You may cast this spell for its cleave cost. If you do, remove the words in square brackets.) Search your library for a [basic land] card, [reveal it,] put it into your hand, then shuffle.