Demon's Den

Creature — Cat Monkey

This creature enters with two +1/+1 counters on it. At the beginning of your upkeep, you may move any number of +1/+1 counters from this creature onto another target creature.

Creature — Fish Pirate

Flying Whenever you discard one or more cards, put that many +1/+1 counters on this creature. Cycling {2} ({2}, Discard this card: Draw a card.)

Enchantment

When this enchantment enters, incubate 2. (Create an Incubator token with two +1/+1 counters on it and "{2}: Transform this token." It transforms into a 0/0 Phyrexian artifact creature.) Phyrexians you control get +1/+1.

Artifact

You may have this artifact enter as a copy of any artifact on the battlefield.

Snow Creature — Elf Rogue

{T}: Untap target snow land.

Creature — Squirrel

Reach This creature gets +2/+2 as long as you control eight or more lands.

Creature — Human Knight Rogue

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

Enchantment

When this enchantment enters, create two 1/1 red Gremlin creature tokens. Then you get an amount of {E} (energy counters) equal to the number of creatures you control. Pay {E}{E}{E}{E}: Creatures you control get +1/+0 and gain haste until end of turn.

Creature — Insect

Landfall — Whenever a land you control enters, create a 1/1 green Insect creature token. If you control six or more lands, create a token that's a copy of this creature instead.

Creature — Sliver Trilobite

Sliver creatures you control have "{2}: Untap this creature."

Creature — Dinosaur

Whenever a player casts a spell, if it's not their turn, this creature deals 4 damage to them.

Creature — Merfolk Wizard

Whenever a Merfolk you control deals combat damage to a player, draw a card.

Creature — Merfolk Rogue

{4}{U}: This creature gets +1/+0 until end of turn and can't be blocked this turn. This ability costs {1} less to activate for each creature in your party. (Your party consists of up to one each of Cleric, Rogue, Warrior, and Wizard.)

Creature — Kor Warrior

{4}{W}: Creatures you control get +1/+1 until end of turn.

Enchantment

Flash When this enchantment enters, exile target tapped creature an opponent controls until this enchantment leaves the battlefield.

Enchantment

Ward {3} (Whenever this enchantment becomes the target of a spell or ability an opponent controls, counter it unless that player pays {3}.) When this enchantment enters, exile target nonland permanent an opponent controls until this enchantment leaves the battlefield.

Enchantment

Sacrifice this enchantment: Destroy target artifact or enchantment.

Enchantment

Sacrifice this enchantment: Return target creature to its owner's hand.

Enchantment

When this enchantment enters, exile target nonland permanent an opponent controls with mana value 2 or less until this enchantment leaves the battlefield.

Instant

Sear deals 4 damage to target creature or planeswalker.

Sorcery

Search your library for a basic land card, put it onto the battlefield, then shuffle. Suspend 2—{G} (Rather than cast this card from your hand, you may pay {G} and exile it with two time counters on it. At the beginning of your upkeep, remove a time counter. When the last is removed, you may cast it without paying its mana cost.)

Artifact Creature — Drone

Flying When this creature enters, create a 1/1 colorless Spirit creature token.

Enchantment

Whenever a creature attacks you or a planeswalker you control, investigate. (Create a Clue token. It's an artifact with "{2}, Sacrifice this token: Draw a card.")

Instant

Destroy target attacking or blocking creature with power 2 or less.

Creature — Merfolk Wizard

{T}: Add {C}. {1}, {T}: Add {U}.

Creature — Human Warrior

When this creature enters, you take the initiative. Whenever you attack, target attacking Cleric, Rogue, Warrior, or Wizard gains protection from creatures until end of turn. 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 the creature, then put the card back or put it into your graveyard.)

Creature — Rabbit Warrior

Whenever this creature attacks while you control a token, this creature gets +2/+0 until end of turn.

Sorcery

Choose up to five {P} worth of modes. You may choose the same mode more than once. {P} — Put a +1/+1 counter on a creature you control. It gains vigilance and trample until end of turn. {P}{P} — Choose artifact or enchantment. Destroy all permanents of the chosen type. {P}{P}{P} — Draw cards equal to the greatest power among creatures you control.

Enchantment

Whenever a creature you control enters, scry 1. (Look at the top card of your library. You may put that card on the bottom.) Whenever you cast a spell that targets a creature you control, draw a card.

Instant

Choose one or both — • Return target creature card from your graveyard to your hand. • Return target enchantment card from your graveyard to your hand.

Land

As this land enters, choose a creature type. {T}: Add {C}. {T}: Add one mana of any color. Spend this mana only to cast a creature spell of the chosen type or activate an ability of a creature source of the chosen type.

Land

This land enters tapped. {T}: Add {W}. Cycling {W} ({W}, Discard this card: Draw a card.)

Instant

Up to two target creatures each get +2/+1 until end of turn. Create a Food token. (It's an artifact with "{2}, {T}, Sacrifice this token: You gain 3 life.")

Artifact Creature — Wall

Defender {4}{U}: Venture into the dungeon. Activate only as a sorcery. (Enter the first room or advance to the next room.)

Instant

Choose one — • Conceal — Until end of turn, target creature you control becomes a Citizen with base power and toughness 1/1 and gains hexproof. • Reveal — Until end of turn, target creature you control becomes a Hero with base power and toughness 3/4 and gains flying and vigilance.

Instant

Investigate. If this spell was cast from a graveyard, investigate twice instead. (Create a Clue token. It's an artifact with "{2}, Sacrifice this token: Draw a card.") Flashback {3}{U}

Enchantment — Aura

Enchant creature As long as enchanted creature is attacking alone, it can't be blocked. Enchanted creature has "Whenever this creature deals combat damage to a player, it connives." (Its controller draws a card, then discards a card. If they discarded a nonland card, they put a +1/+1 counter on this creature.)

Creature — Mouse Soldier

Vigilance, haste Valiant — Whenever this creature becomes the target of a spell or ability you control for the first time each turn, put a +1/+1 counter on it.

Instant

Mill two cards. You may put a permanent card from among the milled cards into your hand. You gain 2 life. (To mill two cards, put the top two cards of your library into your graveyard.)

Creature — Bird Scout

Flying Whenever this creature attacks, target creature you control without flying gets +1/+1 until end of turn.

Creature — Insect Scientist

Whenever this creature becomes tapped, 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.") Landfall — Whenever a land you control enters, put a +1/+1 counter on this creature.

Creature — Insect Citizen

When this creature enters, mill three cards. (Put the top three cards of your library into your graveyard.) {3}{B}{G}, Sacrifice this creature: Return target creature or Spacecraft card from your graveyard to the battlefield. Activate only as a sorcery.

Instant

Destroy target artifact or enchantment. If its mana value was 2 or less, 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

Undaunted (This spell costs {1} less to cast for each opponent.) Return up to two target cards from your graveyard to your hand. Exile Seeds of Renewal.

Creature — Merfolk Scout

{2}{G}: This creature explores. Activate only as a sorcery. (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 — Human Warrior

Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.) Whenever you cast a noncreature spell, this creature gains lifelink until end of turn.

Sorcery

Choose one — • Target opponent discards two cards. • Creatures your opponents control get -1/-1 until end of turn.

Creature — Human 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.)

Artifact

{T}: Add {C}. {2}, {T}: Scry 1. (Look at the top card of your library. You may put that card on the bottom.)

Land

{T}: Add {C}. {T}, Sacrifice this land: Search your library for a basic Island, Swamp, or Mountain card, put it onto the battlefield tapped, then shuffle. Cycling {U}{B}{R} ({U}{B}{R}, Discard this card: Draw a card.)

Legendary Creature — Human Knight

Whenever a creature you control attacks alone, it gains double strike until end of turn. Fire Cross — Whenever Seifer Almasy deals combat damage to a player, you may cast target instant or sorcery card with mana value 3 or less from your graveyard without paying its mana cost. If that spell would be put into your graveyard, exile it instead.

Creature — Dinosaur

Trample {2}{R}, Sacrifice a land: Draw a card. Mountaincycling {2} ({2}, Discard this card: Search your library for a Mountain card, reveal it, put it into your hand, then shuffle.)

Sorcery

Seismic Rupture deals 2 damage to each creature without flying.

Sorcery — Lesson

Look at the top X cards of your library, where X is the number of lands you control. You may reveal a creature or land 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 this Aura enters, put a +1/+1 counter on enchanted creature. Whenever enchanted creature attacks, double the number of +1/+1 counters on it.