Demon's Den

Creature — Human Rogue

Whenever this creature becomes tapped, each opponent loses 1 life and you gain 1 life.

Creature — Zombie

Blue spells and red spells you cast cost {1} less to cast. {1}{B}: Regenerate this creature.

Creature — Human Assassin

First strike When this creature enters, you may reveal X black cards in your hand. If you do, target creature gets -X/-X until end of turn. Madness {1}{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.)

Creature — Dryad

Deathtouch {T}: Add {C}. {T}: Add one mana of any color.

Creature — Human Druid

Soulbond (You may pair this creature with another unpaired creature when either enters. They remain paired for as long as you control both of them.) As long as this creature is paired with another creature, both creatures have deathtouch.

Sorcery

You draw two cards and lose 2 life.

Creature — Faerie Rogue

Flying Whenever this creature attacks, surveil 1. (Look at the top card of your library. You may put it into your graveyard.)

Creature — Rat Rogue

Vigilance Threshold — As long as there are seven or more cards in your graveyard, this creature gets +1/+0 and can't be blocked.

Creature — Human Rogue

As long as an opponent has eight or more cards in their graveyard, this creature gets +1/+0 and has menace. (It can't be blocked except by two or more creatures.)

Creature — Human Rogue

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

Creature — Human Rogue

This creature can't be blocked if you've committed a crime this turn. (Targeting opponents, anything they control, and/or cards in their graveyards is a crime.) Whenever this creature deals combat damage to a player, draw a card.

Creature — Halfling Peasant

Whenever this creature attacks, you may sacrifice a Food or pay {2}{W}. When you do, tap target creature an opponent controls.

Creature — Vedalken Artificer

When this creature enters, create a 1/1 colorless Thopter artifact creature token with flying.

Creature — Phyrexian Knight

Toxic 2 (Players dealt combat damage by this creature also get two poison counters.) When this creature enters, return target creature card with mana value 3 or less from your graveyard to your hand.

Creature — Elf Scout

Whenever you scry, this creature gets +1/+0 until end of turn and can't be blocked this turn. This ability triggers only once each turn.

Creature — Spirit 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.)

Enchantment

Foods you control have "{T}, Sacrifice this artifact: Add one mana of any color." At the beginning of your second main phase, create a Food token. (It's an artifact with "{2}, {T}, Sacrifice this token: You gain 3 life.")

Artifact — Equipment

Equipped creature has "{1}, {T}, Sacrifice Ninja's Kunai: Ninja's Kunai deals 3 damage to any target." Equip {1} ({1}: Attach to target creature you control. Equip only as a sorcery.)

Legendary Creature — Vedalken Wizard

{X}{U}{R}, {T}: Nin deals X damage to target creature. That creature's controller draws X cards.

Creature — Cat Warrior

Trample Domain — Nishoba Brawler's power is equal to the number of basic land types among lands you control.

Legendary Creature — Human Advisor

Whenever you cast a spell you don't own, put a +1/+1 counter on each creature you control. {2}, Sacrifice another creature: Exile target instant or sorcery card from an opponent's graveyard. You may cast it this turn, and mana of any type can be spent to cast that spell. If that spell would be put into a graveyard, exile it instead. Activate only as a sorcery.

Creature — Cyclops

Defender Whenever you cast an instant or sorcery spell, this creature gets +3/+0 until end of turn and can attack this turn as though it didn't have defender.

Legendary Creature — Dragon Avatar

Flying, hexproof from multicolored Whenever Niv-Mizzet deals combat damage to a player, it deals X damage to any target, target player draws X cards, and you gain X life, where X is the number of different color pairs among permanents you control that are exactly two colors.

Legendary Creature — Dragon Wizard

This spell can't be countered. Flying Whenever you draw a card, Niv-Mizzet deals 1 damage to any target. Whenever a player casts an instant or sorcery spell, you draw a card.

Legendary Enchantment — Background

Commander creatures you own have "When this creature enters and at the beginning of your upkeep, each player may put two +1/+1 counters on a creature they control. For each opponent who does, you gain protection from that player until your next turn." (You can't be targeted, dealt damage, or enchanted by anything controlled by that player.)

Artifact Creature — Human Hero

When this creature enters, return up to one other target artifact you control to its owner's hand. Scry 1. (Look at the top card of your library. You may put that card on the bottom.)

Legendary Creature — Human Noble

Lifelink You may cast artifact spells from your graveyard by paying 3 life in addition to paying their other costs. If you cast a spell this way, that artifact enters with a finality counter on it.

Instant

Gift a Food (You may promise an opponent a gift as you cast this spell. If you do, they create a Food token before its other effects. It's an artifact with "{2}, {T}, Sacrifice this token: You gain 3 life.") Destroy target creature. If the gift wasn't promised, you lose 2 life.

Artifact — Equipment

Equipped creature gets +2/+0 and has first strike. Equip {3} ({3}: Attach to target creature you control. Equip only as a sorcery.)

Creature — Noggle Rogue

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

Enchantment — Aura

Flash Enchant creature Enchanted creature loses all abilities and is a colorless Noggle with base power and toughness 1/1. (It loses all colors and all other creature types.)

Land

This land enters tapped. {T}: Add {R}, {W}, or {B}.

Legendary Creature — Human Samurai

Vigilance Whenever a Samurai or Warrior you control attacks alone, you may cast target enchantment card from your graveyard this turn.

Creature — Phyrexian Knight

When this creature 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.) Whenever a permanent you control transforms into a Phyrexian, put a +1/+1 counter on it.

Artifact

Whenever a creature you control dies, scry 1 and put an oil counter on this artifact. {1}, {T}, Remove two oil counters from this artifact: Draw a card.

Legendary Enchantment — Shrine

When Northern Air Temple enters, each opponent loses X life and you gain X life, where X is the number of Shrines you control. Whenever another Shrine you control enters, each opponent loses 1 life and you gain 1 life.

Land

This land enters tapped. {T}: Add {W} or {U}. {4}, {T}, Sacrifice this land: Draw a card.

Creature — Human Soldier Ally

{T}: Untap another target permanent you control. Waterbend {3}, {T}: Tap target creature an opponent controls. (While paying a waterbend cost, you can tap your artifacts and creatures to help. Each one pays for {1}.)

Sorcery

Surveil 2, then draw two cards. Notion Rain deals 2 damage to you. (To 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 — Human Rogue

Flash If an opponent would draw a card except the first one they draw in each of their draw steps, instead that player skips that draw and you draw a card.

Instant

Exile target attacking creature.

Artifact — Equipment

When this Equipment enters, attach it to target creature you control. When you do, equipped creature fights up to one target creature an opponent controls. (Each deals damage equal to its power to the other.) Equipped creature gets +1/+1 and has trample. Equip {3} ({3}: Attach to target creature you control. Equip only as a sorcery.)

Creature — Human Detective

When this creature enters, investigate. (Create a Clue token. It's an artifact with "{2}, Sacrifice this token: Draw a card.")

Creature — Human Wizard

When this creature dies, you draw a card and you lose 1 life.

Sorcery

Put a +1/+1 counter on each creature you control. They gain vigilance until end of turn. The Ring tempts you.

Sorcery

Each player who controls the most creatures investigates. Then destroy all creatures. (To investigate, create a Clue token. It's an artifact with "{2}, Sacrifice this token: Draw a card.")

Sorcery

Creatures you control get +2/+2 until end of turn. Whenever a creature blocks this turn, its controller gets a poison counter.

Creature — Salamander

Deathtouch {T}: Add {G}.

Sorcery

Each creature gets twice -X/-X until end of turn. Each player gets X rad counters.

Artifact — Equipment

Equipped creature gets +3/+0 and has intimidate. (It can't be blocked except by artifact creatures and/or creatures that share a color with it.) Whenever equipped creature attacks, until the end of defending player's next turn, that player gets two rad counters whenever they cast a spell. Equip {3}

Instant

Choose one — • Counter target multicolored spell. • Destroy target multicolored permanent.

Creature — Elf Shaman

Tap four untapped creatures you control: Destroy target artifact or enchantment.

Creature — Vampire Cleric

Kicker {3}{B} (You may pay an additional {3}{B} as you cast this spell.) Lifelink Menace (This creature can't be blocked except by two or more creatures.) When this creature enters, if it was kicked, return target creature card from your graveyard to the battlefield.

Creature — Dinosaur

When this creature enters, create a 3/3 green Dinosaur creature token. Forestcycling {2} ({2}, Discard this card: Search your library for a Forest card, reveal it, put it into your hand, then shuffle.)