Demon's Den

Enchantment — Aura

Enchant creature Enchanted creature has haste. {R}: Enchanted creature gets +1/+0 until end of turn. When a creature with mana value 6 or greater enters, you may return this card from your graveyard to the battlefield attached to that creature.

Artifact

{T}, Tap an untapped creature you control: Add one mana of any color. {3}{W}{U}{B}{R}{G}, Sacrifice this artifact: Create a 4/4 Dragon creature token named Reliquary Dragon that's all colors. It has flying, lifelink, and "When this token enters, it deals 3 damage to any target." Activate only as a sorcery.

Sorcery

Double the power and toughness of target creature you control until end of turn. Then it fights up to one target creature an opponent controls. (Each deals damage equal to its power to the other.)

Creature — Dragon Egg

Defender When this creature dies, create a 2/2 red Dragon creature token with flying and "{R}: This token gets +1/+0 until end of turn."

Artifact Creature — Construct

{2}: This creature gets +1/+0 until end of turn.

Artifact — Equipment

Equipped creature gets +2/+2 and has hexproof from monocolored. Equip {4}. This ability costs {1} less to activate for each color of the creature it targets.

Artifact — Vehicle

Flying Crew 1 (Tap any number of creatures you control with total power 1 or more: This Vehicle becomes an artifact creature until end of turn.)

Creature — Dragon Insect

Flying, ward {1} (Whenever this creature becomes the target of a spell or ability an opponent controls, counter it unless that player pays {1}.) This creature's power is equal to the number of noncreature, nonland cards in your graveyard. When this creature dies, if there's a Lesson card in your graveyard, draw a card.

Sorcery

Create two 1/1 red Goblin creature tokens.

Creature — Human Warrior

Protection from Dragons This creature can block Dragons as though it had reach.

Legendary Creature — Elder Dragon

Flying Dragonlord Ojutai has hexproof as long as it's untapped. Whenever Dragonlord Ojutai deals combat damage to a player, look at the top three cards of your library. Put one of them into your hand and the rest on the bottom of your library in any order.

Creature — Dragon Wizard

Flying Whenever this creature deals combat damage to a player, each player discards their hand, then draws seven cards.

Enchantment — Aura

Enchant creature When this Aura enters, draw a card. Enchanted creature has "{R}: This creature gets +1/+0 until end of turn."

Creature — Human Shaman

At the beginning of your upkeep, if you control six or more lands, create a 5/5 red Dragon creature token with flying.

Instant

Add {R} for each attacking creature you control. Until end of turn, attacking creatures you control gain "{R}: This creature gets +1/+0 until end of turn."

Enchantment — Aura

Enchant creature Enchanted creature gets +1/+2 and has vigilance. When a creature with mana value 6 or greater enters, you may return this card from your graveyard to the battlefield attached to that creature.

Artifact

Whenever a player casts a red spell, you may gain 1 life.

Instant

As an additional cost to cast this spell, you may reveal a Dragon card from your hand or choose a Dragon you control. Dragon's Fire deals 3 damage to target creature or planeswalker. If you revealed a Dragon card or chose a Dragon as you cast this spell, Dragon's Fire deals damage equal to the power of that card or creature instead.

Land

This land enters tapped unless you control a Swamp or a Mountain. {T}: Add {B} or {R}.

Creature — Human Archer

Vigilance, reach, deathtouch

Artifact

Whenever this artifact or another artifact you control enters, put a charge counter on this artifact. {4}, Sacrifice this artifact: It deals damage equal to the number of charge counters on it to target player and that much damage to up to one target creature.

Instant

This spell costs {2} more to cast if it targets a Dragon. Destroy target creature.

Creature — Human Scout

{2}, {T}: Search your library for a card named Dragonstorm Globe or Boulderborn Dragon, reveal it, put it into your hand, then shuffle.

Artifact

Each Dragon you control enters with an additional +1/+1 counter on it. {T}: Add one mana of any color.

Creature — Human

When this creature enters, create a 4/4 red Dragon creature token with flying.

Creature — Dragon

Flying {R}: This creature gets +1/+0 until end of turn. If this ability has been activated four or more times this turn, sacrifice this creature at the beginning of the next end step.

Artifact — Equipment

For Mirrodin! (When this Equipment enters, create a 2/2 red Rebel creature token, then attach this to it.) Equipped creature gets +2/+2 and has flying and haste. Equip {3}{R}{R}

Artifact — Equipment

Job select (When this Equipment enters, create a 1/1 colorless Hero creature token, then attach this to it.) Equipped creature gets +1/+0 and is a Knight in addition to its other types. During your turn, equipped creature has flying. Gae Bolg — Equip {4}

Creature — Drake

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

Instant

Create a 2/2 white and blue Detective creature token. If a creature died this turn, you gain 2 life, surveil 2, then investigate. (Create a Clue token. It's an artifact with "{2}, Sacrifice this token: Draw a card.")

Instant

Delirium — This spell costs {2} less to cast as long as there are four or more card types among cards in your graveyard. Destroy target nonland permanent.

Instant

This spell costs {X} less to cast, where X is your devotion to black. (Each {B} in the mana costs of permanents you control counts toward your devotion to black.) Destroy target creature.

Sorcery

Spend only black mana on X. Drain Life deals X damage to any target. You gain life equal to the damage dealt, but not more life than the player's life total before the damage was dealt, the planeswalker's loyalty before the damage was dealt, or the creature's toughness.

Creature — Rat

When this creature dies, you may pay {B}. If you do, target player discards a card.

Enchantment

All Goblins get +1/+1. All Goblins are black and are Zombies in addition to their other creature types.

Enchantment — Aura

Enchant creature When this Aura enters, tap enchanted creature. Enchanted creature doesn't untap during its controller's untap step. {U}{U}: Shuffle enchanted creature into its owner's library.

Instant

Untap all nonland permanents you control.

Artifact Creature — Construct

When this creature enters, for each kind of counter on target permanent, put another counter of that kind on it or remove one from it.

Creature — Vampire Cleric Ally

Flying At the beginning of your upkeep, each opponent loses 1 life and you gain 1 life.

Creature — Vampire Rogue

When this creature enters, target creature an opponent controls gets -X/-X until end of turn, where X is the number of creatures in your party. (Your party consists of up to one each of Cleric, Rogue, Warrior, and Wizard.)

Creature — Human Cleric

Whenever you cycle another card, you gain 1 life. Cycling {1} ({1}, Discard this card: Draw a card.)

Creature — Human Wizard

Whenever you cycle another card, this creature deals 1 damage to each opponent. Cycling {1} ({1}, Discard this card: Draw a card.)

Creature — Eldrazi Drone

When this creature enters, create two 0/1 colorless Eldrazi Spawn creature tokens. They have "Sacrifice this token: Add {C}."

Creature — Demon

Flying At the beginning of your end step, sacrifice a non-Demon creature. If you do, create a token that's a copy of this creature.

Enchantment — Aura

Enchant creature Enchanted creature can't attack or block. {2}{W}: Exile enchanted creature.

Instant

Target creature has base power and toughness 5/5 until end of turn. The Ring tempts you.

Creature — Zombie Jackal Warrior

When this creature enters, amass Zombies 2. (Put two +1/+1 counters on an Army you control. It's also a Zombie. If you don't control an Army, create a 0/0 black Zombie Army creature token first.) Zombie tokens you control have trample.

Creature — Demon Dog

When this creature enters, mill three cards. (Put the top three cards of your library into your graveyard.) Whenever a creature dies or a creature card is put into a graveyard from a library, each opponent loses 1 life.

Creature — Crab Horror

Ward {2} (Whenever this creature becomes the target of a spell or ability an opponent controls, counter it unless that player pays {2}.) {3}{U}{U}: This creature can't be blocked this turn. Activate only if you own a card in exile.

Instant

Until end of turn, target attacking creature gets +2/+2 and gains trample and "Whenever this creature deals combat damage to a player, destroy target artifact that player controls."

Artifact — Vehicle

Menace {1}, Sacrifice another artifact or creature: Put a +1/+1 counter on this Vehicle. Crew 1 (Tap any number of creatures you control with total power 1 or more: This Vehicle becomes an artifact creature until end of turn.)

Creature — Nightmare Bird

Flying Whenever this creature enters or attacks, draw a card, then discard a card. Threshold — This creature gets +1/+1 and has deathtouch as long as there are seven or more cards in your graveyard.

Creature — Frog Wizard

Reach When this creature enters, tap up to one target creature and put three stun counters on it. If you control that creature, draw two cards.

Creature — Vampire

Lifelink {1}{B}: Adapt 1. (If this creature has no +1/+1 counters on it, put a +1/+1 counter on it.) Whenever one or more +1/+1 counters are put on this creature, it gains menace until end of turn.