Demon's Den

Creature — Dog

Vigilance When this creature enters, if an opponent controls more lands than you, search your library for a basic Plains card, put it onto the battlefield tapped, then shuffle.

Sorcery

Destroy target artifact with mana value 3 or less. You gain 3 life.

Legendary Creature — Human Hero

Unbreakable Skin — Whenever Luke Cage attacks alone, he gets +2/+0 and gains indestructible until end of turn. (Damage and effects that say "destroy" don't destroy him.)

Instant

Prevent all combat damage that would be dealt this turn. Cycling {2} ({2}, Discard this card: Draw a card.)

Instant

Infusion — When you cast this spell, copy it if you gained life this turn. You may choose new targets for the copy. Target creature gets +2/+4 until end of turn.

Creature — Sloth Mutant

This spell costs {1} less to cast for each counter among players and permanents. Trample This creature enters tapped.

Artifact — Vehicle

This Vehicle's power is equal to the number of lands you control. Whenever this Vehicle enters or attacks, you may search your library for a basic land card, put it onto the battlefield tapped, then shuffle. Crew 4

Artifact — Spacecraft

Station (Tap another creature you control: Put charge counters equal to its power on this Spacecraft. Station only as a sorcery. It's an artifact creature at 12+.) 2+ | Other creatures you control get +1/+1. 12+ | Flying, lifelink

Creature — Drake

Flying Metalcraft — When this creature enters, if you control three or more artifacts, return target creature to its owner's hand.

Creature — Elemental

Deathtouch Vivid — When this creature enters, you gain life equal to the number of colors among permanents you control.

Instant

This spell costs {3} less to cast if it targets a tapped creature. Destroy target creature.

Enchantment — Aura

Enchant creature Whenever enchanted creature attacks or blocks, you gain 4 life.

Enchantment

At the beginning of your end step, if you gained life this turn, each opponent loses 1 life. At the beginning of your end step, if you gained and lost life this turn, create a 1/1 black Bat creature token with flying. {1}{B}, Pay 2 life: Draw a card.

Sorcery

Draw a card for each different mana value among nonland permanents you control.

Legendary Artifact

{2}, {T}: Surveil 1. (Look at the top card of your library. You may put it into your graveyard.) {6}, {T}, Sacrifice Lunatic Pandora: Destroy target nonland permanent.

Artifact Creature — Wolf Construct

This creature can't attack or block unless a player has no cards in hand.

Land

{T}: Add {C}. {T}: Add {W}. Spend this mana only to cast a creature spell. {1}{W}, {T}, Sacrifice this land: Look at the top six cards of your library. You may reveal a Bat, Bird, Mouse, or Rabbit card from among them and put it into your hand. Put the rest on the bottom of your library in a random order.

Creature — Human Assassin

Flash When this creature enters, destroy target creature that was dealt damage this turn.

Creature — Lizard Villain

Trample Whenever you cast a spell with mana value 4 or greater, put a +1/+1 counter on this creature.

Land — Desert

This land enters tapped. When this land enters, it deals 1 damage to target opponent. {T}: Add {G} or {U}.

Creature — Human Knight

This creature enters with a +1/+1 counter on it for each other creature and/or artifact you control.

Artifact — Vehicle

Whenever this Vehicle attacks, create a Treasure token for each creature that crewed it this turn. (They're artifacts with "{T}, Sacrifice this token: Add one mana of any color.") Crew 1. Activate only once each turn. (Tap any number of creatures you control with total power 1 or more: This Vehicle becomes an artifact creature until end of turn.)

Legendary Creature — Human Assassin

Lydia Frye can't be blocked by creatures with power 3 or greater. At the beginning of your end step, surveil X, where X is the number of tapped Assassins you control. (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.)

Creature — Human Knight

Flying When this creature enters, detain target nonland permanent an opponent controls. (Until your next turn, that permanent can't attack or block and its activated abilities can't be activated.)

Legendary Artifact Creature — Illusion Advisor

Whenever you draw a card, put a +1/+1 counter on target creature.

Creature — Elf Archer

Reach Whenever you cast an Elf spell, you may have this creature deal 2 damage to target creature with flying.

Creature — Elf Advisor

As an additional cost to cast this spell, behold an Elf or pay {2}. (To behold an Elf, choose an Elf you control or reveal an Elf card from your hand.) {T}: Add {G}{G}. Activate only if there is an Elf card in your graveyard.

Creature — Elf Scout

When this creature enters or dies, surveil 1. (Look at the top card of your library. You may put it into your graveyard.)

Legendary Creature — Mouse Soldier

Other Mice you control get +1/+1. When Mabel enters, create Cragflame, a legendary colorless Equipment artifact token with "Equipped creature gets +1/+1 and has vigilance, trample, and haste" and equip {2}.

Instant

Target creature gets +2/+2 until end of turn. Up to one other target creature gets +1/+1 until end of turn.

Sorcery

Return up to two target creature cards from your graveyard to your hand, then discard a card.

Artifact — Equipment

Equipped creature gets +1/+1 for each charge counter on this Equipment and has vigilance. (Attacking doesn't cause it to tap.) Whenever a creature you control enters, put a charge counter on this Equipment. Equip {3}

Instant

This spell costs {1} less to cast if you control an artifact creature. Return target nonland permanent to its owner's hand.

Artifact Creature — Robot Villain

Trample Whenever another artifact you control enters, put a +1/+1 counter on this creature.

Legendary Creature — Human Villain

Whenever you cast a Villain spell, create a 2/1 black Villain creature token with menace. (It can't be blocked except by two or more creatures.)

Legendary Creature — Human Villain

When Madame Masque enters, she connives. (Draw a card, then discard a card. If you discarded a nonland card, put a +1/+1 counter on this creature.) Whenever you draw your second card each turn, create a 2/1 black Villain creature token with menace. (It can't be blocked except by two or more creatures.)

Legendary Creature — Mutant Advisor

You may look at the top card of your library any time. You may cast Spider spells and noncreature spells from the top of your library. Whenever you attack, you may mill a card. (You may put the top card of your library into your graveyard.)

Creature — Goblin

Whenever you draw your second card each turn, create two 1/1 black Rat creature tokens.

Artifact Creature — Golem

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 in a random order.)

Land

{T}: Add {C}. {T}: Add one mana of any color. Spend this mana only to cast a Dragon spell or an Omen spell. {4}, {T}, Sacrifice this land: Search your library for a Dragon card, reveal it, put it into your hand, then shuffle.

Sorcery

Destroy target nonland permanent and all other permanents with the same name as that permanent.

Instant

Choose one — • Look at the top five cards of your library. Put one of those cards into your hand and the rest into your graveyard. • Each opponent loses 3 life and you gain 3 life. • Maestros Charm deals 5 damage to target creature or planeswalker.

Land

When this land enters, sacrifice it. When you do, search your library for a basic Island, Swamp, or Mountain card, put it onto the battlefield tapped, then shuffle and you gain 1 life.

Legendary Creature — Dwarf Berserker

Whenever you commit a crime, create a tapped Treasure token. This ability triggers only once each turn. (Targeting opponents, anything they control, and/or cards in their graveyards is a crime.) Sacrifice three Treasures: Create a 4/4 red Scorpion Dragon creature token with flying and haste. Activate only as a sorcery.

Creature — Lizard

Whenever a player casts a noncreature spell, this creature deals damage to that player equal to the number of noncreature spells they've cast this turn.

Creature — Cat Rogue

When this creature enters, create a 1/1 blue Wizard creature token with "{1}, Sacrifice this token: Counter target noncreature spell unless its controller pays {1}."

Artifact Creature — Construct

Whenever you cast a multicolored spell, put a +1/+1 counter on this creature.

Instant

Target creature you control gets +1/+1 and gains hexproof until end of turn. Untap it.

Artifact Creature — Goblin Construct

When this creature dies, create a Treasure token. (It's an artifact with "{T}, Sacrifice this token: Add one mana of any color.") {2}, {T}: Exile target card from a graveyard.