Demon's Den

Creature — Rat Rogue // Legendary Creature — Rat Wizard

Creature — Rat Rogue

When this creature enters, each opponent discards a card.

Creature — Rat Warlock

When this creature dies, create a 1/1 red Mercenary creature token with "{T}: Target creature you control gets +1/+0 until end of turn. Activate only as a sorcery."

Artifact Creature — Rat Ninja

Ninjutsu {1}{B} ({1}{B}, Return an unblocked attacker you control to hand: Put this card onto the battlefield from your hand tapped and attacking.) When this creature enters, target creature you control gains deathtouch and lifelink until end of turn.

Creature — Spirit

Flying Whenever this creature attacks, you may tap target creature.

Legendary Creature — Merfolk Scout

Whenever a creature you control explores a land card, you may put a land card from your hand onto the battlefield tapped. Whenever a creature you control explores a nonland card, put a +1/+1 counter on Nicanzil.

Legendary Creature — Human Spy Hero

Power-up — {W}{U}{B}{R}{G}: Put two +1/+1 counters on Nick Fury, then look at the top seven cards of your library. You may put a Hero, Equipment, or Vehicle card from among them onto the battlefield. If it's a double-faced card, you may transform it. Put the rest on the bottom of your library in a random order. (Activate each power-up ability only once. Reduce the cost by his mana cost if he entered this turn.)

Legendary Creature — Human Spy Hero

First strike Whenever a creature you control attacks alone, draw a card. Then you may put a creature card with mana value 3 or less from your hand onto the battlefield. It enters tapped and attacking and gains indestructible until end of turn.

Legendary Artifact Creature — Synth Detective

Nick Valentine can't be blocked except by artifact creatures. Whenever Nick Valentine or another artifact creature you control dies, you may investigate. (To investigate, create a Clue token. It's an artifact with "{2}, Sacrifice this token: Draw a card.")

Creature — Goblin Soldier

Deathtouch Mobilize 1 (Whenever this creature attacks, create a tapped and attacking 1/1 red Warrior creature token. Sacrifice it at the beginning of the next end step.) When this creature enters, surveil 1. (Look at the top card of your library. You may put it into your graveyard.)

Creature — Human Warrior

When this creature enters, creatures your opponents control get -1/-1 until end of turn. Blitz {2}{B} (If you cast this spell for its blitz cost, it gains haste and "When this creature dies, draw a card." Sacrifice it at the beginning of the next end step.)

Legendary Creature — Human Hero

Flying Whenever Nighthawk or another Hero you control enters, target creature gets +1/+1 until end of turn.

Creature — Mutant Warrior

Ward {2} (Whenever this creature becomes the target of a spell or ability an opponent controls, counter it unless that player pays {2}.) When this creature enters, target player gets four rad counters. This creature can't be blocked as long as defending player has a rad counter.

Creature — Faerie Assassin

Flying, lifelink Whenever you cast a spell during an opponent's turn, put a -1/-1 counter on up to one target creature.

Sorcery

Choose one — • Exile each creature with power greater than the number of cards in your hand. • Exile each creature with power less than the number of cards in your hand.

Land

This land enters tapped. As it enters, choose a color. {T}: Add one mana of the chosen color. Cycling {3} ({3}, Discard this card: Draw a card.)

Creature — Human Rogue

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

Legendary Creature — Human Doctor Hero

Flash Lifelink When Night Nurse enters, choose target permanent card in your graveyard that was put there from anywhere this turn. Return it to your hand.

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 — Human Ninja Villain

Deathtouch Power-up — {4}{B}: Each opponent discards a card. Put a +1/+1 counter on this creature. (Activate each power-up ability only once. Reduce the cost by its mana cost if it entered this 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.)

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.

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.