Demon's Den

Creature — Human Warrior

Kicker {1}{W} (You may pay an additional {1}{W} as you cast this spell.) When this creature enters, if it was kicked, create two 1/1 white Soldier creature tokens. As long as this creature entered this turn, creatures you control have haste.

Legendary Creature — Horse

Whenever a commander you control attacks, put a +1/+1 counter on it. Partner (You can have two commanders if both have partner.)

Legendary Enchantment

When Kellan Joins Up enters, you may exile a nonland card with mana value 3 or less from your hand. If you do, it becomes plotted. (You may cast it as a sorcery on a later turn without paying its mana cost.) Whenever a legendary creature you control enters, put a +1/+1 counter on each creature you control.

Instant

Bargain (You may sacrifice an artifact, enchantment, or token as you cast this spell.) Kellan's Lightblades deals 3 damage to target attacking or blocking creature. If this spell was bargained, destroy that creature instead.

Legendary Creature — Human Faerie Scout

{1}{R}: If Kellan is a Scout, it becomes a Human Faerie Detective and gains "Whenever Kellan deals combat damage to a player, exile the top card of your library. You may play that card this turn." {2}{R}: If Kellan is a Detective, it becomes a 3/2 Human Faerie Rogue and gains double strike.

Legendary Creature — Cat Cleric

Whenever Kemba or another Cat you control enters, attach up to one target Equipment you control to that creature. Equipped creatures you control get +1/+1. {3}{W}{W}: Create a 2/2 white Cat creature token.

Legendary Creature — Phyrexian Human Artificer

{T}, Sacrifice three other artifacts and/or creatures: Look at the top three cards of your library. Put two of them into your hand and the other into your graveyard. Partner (You can have two commanders if both have partner.)

Creature — Spider

Reach (This creature can block creatures with flying.) Deathtouch (Any amount of damage this deals to a creature is enough to destroy it.)

Creature — Human Knight

Menace {2}{R}, {T}, Exile three cards from your graveyard: Create a 3/2 red Wolf creature token.

Legendary Creature — Phyrexian Beast

At the beginning of your end step, you may sacrifice another creature. If you do, reveal cards from the top of your library until you reveal a nonlegendary creature card with lesser mana value, put it onto the battlefield, then put the rest on the bottom of your library in a random order.

Artifact

{T}: Add {G}, {U}, or {R}. Cycling {2} ({2}, Discard this card: Draw a card.)

Artifact

{T}, Discard a card: Up to one target creature can't be blocked this turn. Whenever this artifact becomes untapped, you may pay {2}. If you do, draw a card.

Artifact

{1}, {T}, Sacrifice this artifact: Search your library for a basic land card, reveal it, put it into your hand, then shuffle. {3}, {T}, Sacrifice this artifact: Lock or unlock a door of target Room you control. Activate only as a sorcery.

Artifact

When this artifact enters, return two lands you control to their owner's hand. {T}: Add two mana of any one color.

Creature — Jackal Warrior

Trample Other creatures you control have trample.

Legendary Land

{T}: Add {C}. {1}{R}, {T}: Create a 0/1 red Kobold creature token named Kobolds of Kher Keep.

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.

Sorcery

Put a +1/+1 counter on target creature. That creature gains haste until end of turn and can't be blocked by Walls this turn. Venture into the dungeon. (Enter the first room or advance to the next room.)

Enchantment

Start your engines! (If you have no speed, it starts at 1. It increases once on each of your turns when an opponent loses life. Max speed is 4.) When this enchantment enters, you may discard a card. If you do, draw two cards. Max speed — Sacrifice this enchantment: Creatures and Vehicles you control gain haste until end of turn.

Creature — Human Soldier

Whenever this creature attacks, you may sacrifice another creature or artifact. If you do, this creature gains flying until end of turn.

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.

Sorcery

For each creature, its controller sacrifices it unless they pay X life.

Creature — Human Druid

Lifelink When this creature enters, it endures 1. (Put a +1/+1 counter on it or create a 1/1 white Spirit creature token.)

Instant

Exile target permanent with mana value 3 or greater.

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.)

Instant

Target creature gets +1/+0 and gains first strike until end of turn. (It deals combat damage before creatures without first strike.)

Creature — Lizard Otter

{T}: This creature deals 1 damage to target opponent. Whenever you cast a noncreature spell, untap this creature.

Legendary Creature — Spirit Noble

Flying Whenever King of the Oathbreakers or another Spirit you control becomes the target of a spell, it phases out. (Treat it and anything attached to it as though they don't exist until your next turn.) Whenever King of the Oathbreakers or another Spirit you control phases in, create a tapped 1/1 white Spirit creature token with flying.

Creature — Human Cleric

Dinosaur spells you cast cost {1} less to cast.

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.

Legendary Creature — Phyrexian Vampire

Flying Whenever another nontoken creature you control dies, you may pay 2 life and exile it. If you do, create a token that's a copy of that creature, except it's 1/1 and has toxic 1. (Players dealt combat damage by it also get a poison counter.)

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.

Legendary Creature — Vampire Cleric

Tap two untapped creatures you control: Copy target triggered ability you control. You may choose new targets for the copy. Activate only once each turn.

Enchantment — Aura

Enchant creature Enchanted creature can't attack. Threshold — Enchanted creature can't block as long as there are seven or more cards in your graveyard.

Sorcery

Destroy all creatures. They can't be regenerated. Threshold — If there are seven or more cards in your graveyard, instead destroy all creatures, then create two 1/1 white Spirit creature tokens with flying. Creatures destroyed this way can't be regenerated.

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.)

Artifact — Equipment

Equipped creature gets +1/+0 and has flying. Equip {2} ({2}: Attach to target creature you control. Equip only as a sorcery.)

Creature — Kor Cleric

Kicker {2}{W} (You may pay an additional {2}{W} as you cast this spell.) Flying When this creature enters, if it was kicked, tap up to two target creatures.

Creature — Human Pirate

This creature has flying as long as it's attacking.

Creature — Human Pirate

Flying When this creature enters, target opponent reveals their hand. You choose a noncreature, nonland card from it. Exile that card until this creature leaves the battlefield.