Demon's Den

Creature — Cat Beast

Avoidance — Whenever you cast a noncreature spell, exile up to one target nonland permanent you control, then return that card to the battlefield under its owner's control.

Instant

This spell can't be copied. Copy any number of target instant and/or sorcery spells. You may choose new targets for the copies.

Sorcery

Goad all creatures you don't control. (Until your next turn, those creatures attack each combat if able and attack a player other than you if able.)

Instant

As an additional cost to cast this spell, tap an untapped artifact you control or pay {1}. Counter target spell.

Creature — Human Wizard

{T}: Counter target spell unless its controller pays {1}.

Creature — Merfolk Wizard

Flash Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for {1} or one mana of that creature's color.) When this creature enters, return up to one other target nonland permanent to its owner's hand.

Artifact — Equipment

When this Equipment enters, manifest dread, then attach this Equipment to that creature. Equipped creature gets +2/+2 and has deathtouch and lifelink. Equip—Sacrifice a creature.

Instant

Counter target spell. If that spell is countered this way, exile it instead of putting it into its owner's graveyard.

Instant

Counter target spell. Scry 1. (Look at the top card of your library. You may put that card on the bottom.)

Creature — Human Wizard

Whenever another creature you control enters, you gain 1 life. {4}{W}, {T}: Exile another target creature you control, then return it to the battlefield under its owner's control.

Sorcery

Corrupted — This spell costs {2} less to cast if an opponent has three or more poison counters. Draw two cards.

Sorcery

Freerunning {1}{W} (You may cast this spell for its freerunning cost if you dealt combat damage to a player this turn with an Assassin or commander.) Create three 1/1 white Human Rogue creature tokens.

Sorcery

Target player reveals their hand. You choose a nonland card from it. That player discards that card.

Creature — Dog Mount

This creature enters with a +1/+1 counter on it. {1}{G}, Remove two +1/+1 counters from this creature: Destroy target artifact. Whenever this creature attacks while saddled, put a +1/+1 counter on it. Saddle 1

Instant

Until end of turn, target land you control becomes a 4/4 Dinosaur creature with reach and haste. It's still a land. It must be blocked this turn if able.

Enchantment

When this enchantment enters, you may sacrifice another enchantment or creature. If you do, draw two cards. When you sacrifice this enchantment, 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.)

Creature — Bird Soldier

Flying {T}, Sacrifice this creature: It deals 2 damage to target attacking or blocking creature.

Instant

Return up to X target instant and/or sorcery cards from your graveyard to your hand. Exile Divergent Equation.

Creature — Human Warrior

Menace (This creature can't be blocked except by two or more creatures.) {1}, Sacrifice another creature or enchantment: Exile the top card of your library. You may play it this turn.

Artifact Creature — Robot

Flying {U}, Sacrifice this creature: Counter target instant or sorcery spell unless its controller pays {3}.

Instant

Counter target spell unless its controller pays {2}. If they do, you create a Lander token. (It's an artifact with "{2}, {T}, Sacrifice this token: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.")

Sorcery

Draw two cards.

Instant

Kicker {2}{W} (You may pay an additional {2}{W} as you cast this spell.) Target creature you control gains indestructible until end of turn. If this spell was kicked, instead any number of target creatures you control gain indestructible until end of turn. (Damage and effects that say "destroy" don't destroy them.)

Instant

Untap target creature. Prevent all damage that would be dealt to it this turn. Cycling {2} ({2}, Discard this card: Draw a card.)

Creature — Djinn

Flying When this creature enters, roll a d20. 1—9 | Scry 1. 10—19 | Scry 2. 20 | Scry 3.

Legendary Creature — Bear Druid

Spells you cast from your graveyard or from exile cost {2} less to cast. Plotting cards from your hand costs {2} less.

Enchantment Creature — Human Citizen

{1}{B}, Sacrifice an artifact or creature: Draw a card.

Artifact Creature — Robot

This creature enters with a +1/+1 counter on it. When this creature dies, put its counters on target creature you control.

Legendary Creature — Human Scientist Villain

At the beginning of combat on your turn, target noncreature artifact you control becomes an 8/8 Robot Villain artifact creature in addition to its other types.

Creature — Human Villain

Flash Whenever this creature attacks, it connives. (Draw a card, then discard a card. If you discarded a nonland card, put a +1/+1 counter on this creature.)

Legendary Creature — Human Scientist Villain

As long as there are eight or more cards in your graveyard, Doc Ock has base power and toughness 8/8. As long as you control another Villain, Doc Ock has hexproof. (He can't be the target of spells or abilities your opponents control.)

Artifact — Equipment

Whenever a creature you control with mana value 5 or greater enters, you may attach this Equipment to it. Equipped creature gets +4/+4. Equip {5}

Legendary Creature — Human Scientist Villain

Other Villains you control get +2/+2. Your maximum hand size is eight. At the beginning of your end step, if you have fewer than eight cards in hand, draw cards equal to the difference.

Legendary Creature — Human Hero

Flying When Doctor Spectrum enters, choose one — • Create a 0/4 colorless Wall creature token with defender. • Put a +1/+1 counter on each other Hero you control. • Destroy target enchantment.

Creature — Human Rogue

When this creature enters, 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.) Whenever an opponent draws their second card each turn, you may return this card from your graveyard to your hand.

Enchantment — Aura

Flash Enchant creature As long as another player controls enchanted creature, it can't attack or block. Otherwise, this Aura has umbra armor. (If enchanted creature would be destroyed, instead remove all damage from it and destroy this Aura.)

Creature — Human Citizen

Vigilance Disguise {R/W}{R/W} (You may cast this card face down for {3} as a 2/2 creature with ward {2}. Turn it face up any time for its disguise cost.) When this creature is turned face up, create two tapped 1/1 white Dog creature tokens.

Creature — Ogre Ninja

Ninjutsu {3}{B} ({3}{B}, Return an unblocked attacker you control to hand: Put this card onto the battlefield from your hand tapped and attacking.)

Artifact

{1}, {T}, Exile a creature card from your graveyard: Create a token that's a copy of the exiled card, except it's a 0/0 Construct artifact in addition to its other types and it has "This token gets +1/+1 for each Construct you control." It gains haste until end of turn. Activate only as a sorcery.

Creature — Vampire

When this creature enters, gain control of target creature with mana value less than or equal to the number of Vampires you control until end of turn. Untap that creature. It gains haste until end of turn.

Sorcery

Put a +1/+1 counter on target creature you control. Then that creature deals damage equal to its power to target creature or planeswalker you don't control.

Sorcery

Sneak {U} (You may cast this spell for {U} if you also return an unblocked attacker you control to hand during the declare blockers step.) Draw two cards.

Sorcery

Sneak {U} (You may cast this spell for {U} if you also return an unblocked attacker you control to hand during the declare blockers step.) Draw two cards.

Legendary Creature — Mutant Ninja Turtle

When Donatello enters, if you control an artifact, draw a card.

Legendary Creature — Mutant Ninja Turtle

Flying Whenever an artifact you control enters, put a +1/+1 counter on Donatello.

Legendary Creature — Mutant Ninja Turtle

Menace Whenever Don & Raph attack, the next noncreature spell you cast this turn has affinity for artifacts. (It costs {1} less to cast for each artifact you control.)

Instant

Counter target spell unless its controller pays {2}. If they do, 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.)

Instant

Destroy target nonblack creature.

Creature — Human Soldier

When this creature dies, create a 1/1 white Spirit creature token with flying.

Enchantment — Plan

Whenever a Villain you control enters, each opponent loses 1 life and you gain 1 life. Put a plan counter on this enchantment. When the fifth plan counter is put on this enchantment, sacrifice it. When you do, target opponent exiles the top five cards of their library. You may cast up to two spells from among the exiled cards without paying their mana costs.

Creature — Homunculus

Defender {2}{U}, {T}: Target player mills X cards, where X is the number of creatures you control with defender.

Creature — Thrull

Flash Flying Artifacts and creatures entering don't cause abilities to trigger.

Creature — Thrull

Flash Flying Artifacts and creatures entering don't cause abilities to trigger.

Artifact

As this artifact enters, choose a creature type. Whenever you cast a spell of the chosen type, put a charge counter on this artifact. Creatures you control of the chosen type get +1/+1 for each charge counter on this artifact.

Legendary Creature — Dwarf Warrior

Trample When Dori enters, create a Treasure token. (It's an artifact with "{T}, Sacrifice this token: Add one mana of any color.")