The Relentless Dragon

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 Creature — Elder Dragon

Flying At the beginning of your upkeep, sacrifice Nicol Bolas unless you pay {U}{B}{R}. Whenever Nicol Bolas deals damage to an opponent, that player discards their hand.

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.)

Enchantment

Whenever a source you control deals damage to another player, put that many theft counters on this enchantment. {2}{B}{B}, Remove X theft counters from this enchantment: Search your library for a nonland card with mana value X, reveal it, put it into your hand, then shuffle.

Creature — Nightmare Horse

Flying (This creature can't be blocked except by creatures with flying or reach.) Nightmare's power and toughness are each equal to the number of Swamps you control.

Sorcery

Search target player's library for up to X cards, where X is the number of Swamps you control, and exile them. Then that player shuffles.

Enchantment Creature — Demon

Flying Whenever another nontoken creature you control dies, you may exile it. If you do, create a token that's a copy of that creature, except it's 1/1 and it's a Nightmare in addition to its other types.

Creature — Wolf

Flash Other Wolves and Werewolves you control get +1/+1. At the beginning of your end step, if you didn't cast a spell this turn, create a 2/2 green Wolf creature token.

Creature — Zombie

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

Creature — Zombie Wizard

{U}{U}, {T}: Return target creature to its owner's hand. {R}{R}, {T}: This creature deals 2 damage to target creature.

Creature — Spirit

Soulshift 5 (When this creature dies, you may return target Spirit card with mana value 5 or less from your graveyard to your hand.)

Sorcery

You draw two cards and lose 2 life.

Creature — Vampire

Flying, deathtouch Hexproof (This creature can't be the target of spells or abilities your opponents control.)

Creature — Human Rebel

Flying, protection from black

Creature — Horror

Fear (This creature can't be blocked except by artifact creatures and/or black creatures.) Suspend 7—{1}{B} (Rather than cast this card from your hand, you may pay {1}{B} and exile it with seven 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. It has haste.) Whenever a card is put into an opponent's graveyard from anywhere, if this card is suspended, you may remove a time counter from this card.

Creature — Spirit

When this creature enters, destroy target enchantment. Whenever you cast a Spirit or Arcane spell, you may return this creature to its owner's hand.

Enchantment — Saga

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.) I — You gain 2 life for each foretold card you own in exile. II — Add {W}{U}. Spend this mana only to foretell cards or cast spells that have foretell. III — Return target card with foretell from your graveyard to your hand.

Legendary Creature — Human Wizard

When Niko enters, create two Shard tokens. (They're enchantments with "{2}, Sacrifice this token: Scry 1, then draw a card.") {2}, {T}: Exile target nonlegendary creature you control. Shards you control become copies of it until the next end step. Return it to the battlefield under its owner's control at the beginning of the next end step.

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 — Bird Rogue

Flying When this creature enters, target opponent reveals their hand. You choose an artifact, instant, or sorcery card from it and exile that card.

Creature — Bird Rogue

Flying When this creature enters, target opponent reveals their hand. You choose an artifact, instant, or sorcery card from it and exile that card.

Creature — Mongoose

Shroud (This creature can't be the target of spells or abilities.) Threshold — This creature gets +2/+2 as long as there are seven or more cards in your graveyard.

Creature — Human Rogue

This creature can't be blocked if you had another Cleric, Rogue, Warrior, or Wizard enter the battlefield under your control this turn. At the beginning of combat on your turn, if you have a full party, creatures you control gain "Whenever this creature deals combat damage to a player, draw a card" until end of turn.

Creature — Zombie

This creature gets +1/+0 for each artifact you control. {B}{B}: Return this card from your graveyard to the battlefield, then sacrifice a creature. Activate only during your upkeep.

Legendary Creature — Human Rogue

Menace Ward—Pay 9 life. Whenever Nine-Fingers Keene deals combat damage to a player, look at the top nine cards of your library. You may put a Gate card from among them onto the battlefield. Then if you control nine or more Gates, put the rest into your hand. Otherwise, put the rest on the bottom of your library in a random order.

Legendary Creature — Human Rogue

Menace Ward—Pay 9 life. Whenever Nine-Fingers Keene deals combat damage to a player, look at the top nine cards of your library. You may put a Gate card from among them onto the battlefield. Then if you control nine or more Gates, put the rest into your hand. Otherwise, put the rest on the bottom of your library in a random order.

Creature — Human Ninja

Ninjutsu {1}{U} ({1}{U}, Return an unblocked attacker you control to hand: Put this card onto the battlefield from your hand tapped and attacking.) Whenever this creature deals combat damage to a player, you may draw a card.

Legendary Creature — Vedalken Wizard

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

Creature — Vampire Shade

Whenever you tap a Swamp for mana, add an additional {B}. {B}: This creature gets +1/+1 until end of turn.

Creature — Cat Warrior

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

Sorcery

Search your library and graveyard for a card named Forest, a card named Brambleweft Behemoth, and a card named Nissa, Genesis Mage. Reveal those cards, put them into your hand, then shuffle.

Sorcery

Scry 5, then reveal the top card of your library. If it's a creature card, you draw cards equal to its power and you gain life equal to its toughness.

Enchantment — Aura

Enchant land Enchanted land is a 4/4 Elemental creature with reach and haste. It's still a land. When enchanted land dies, return that card to its owner's hand.

Instant

Target creature becomes white until end of turn. Tap that creature. Draw a card.

Legendary Creature — Dragon Wizard

Flying Whenever Niv-Mizzet deals damage to a player, you may draw a card. {U}{R}: Niv-Mizzet deals 1 damage to any target.

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

Flying Whenever you draw a card, Niv-Mizzet deals 1 damage to any target. {T}: Draw a card.

Creature — Spirit Avatar

Flying Attacking creatures you control get +2/+0.

Creature — Cat

{1}: This creature gains first strike until end of turn.

Creature — Human Cleric Soldier

Vigilance Plainscycling {2} ({2}, Discard this card: Search your library for a Plains card, reveal it, put it into your hand, then shuffle.)

Creature — Human Nomad Cleric

{W}, {T}: Put target Aura card from a graveyard onto the battlefield under your control attached to a creature you control.

Land

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

Sorcery

Create a 1/1 white Kor Soldier creature token for each creature you control. Rebound (If you cast this spell from your hand, exile it as it resolves. At the beginning of your next upkeep, you may cast this card from exile without paying its mana cost.)

Creature — Kor Nomad Soldier

{0}: The next 1 damage that would be dealt to this creature this turn is dealt to target creature you control instead.

Instant

Counter target spell unless its controller pays {3}. If that spell is countered this way, exile it instead of putting it into its owner's graveyard.

Enchantment

Sacrifice this enchantment: Return to your hand all creature cards in your graveyard that were put there from the battlefield this turn.

Kindred Sorcery — Rogue

Prowl {5}{U} (You may cast this for its prowl cost if you dealt combat damage to a player this turn with a Rogue.) Create X 1/1 black Faerie Rogue creature tokens with flying, where X is the damage dealt to your opponents this turn. If this spell's prowl cost was paid, take an extra turn after this one.

Creature — Wurm

Whenever this creature attacks, destroy all other creatures.

Creature — Human Cleric

{2}{W}, {T}, Sacrifice this creature: Destroy all enchantments.

Creature — Troll Warlock

{1}, Sacrifice another creature: Put a +1/+1 counter on target creature. Activate only as a sorcery.

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.")

Creature — Dragon

Flying When this creature dies, you may destroy target creature with mana value 3 or less.

Enchantment — Aura

Enchant land Enchanted land has "{T}: This land deals 1 damage to each creature and each player."

Instant

Destroy target creature or planeswalker that's green or white. You gain 1 life.

Legendary Creature — Merfolk Ally

Whenever you cast an instant or sorcery spell, you may put three +1/+1 counters on target land you control. If you do, that land becomes a 0/0 Elemental creature with haste that's still a land.

Creature — Beast

When this creature enters, you may return target red sorcery card from your graveyard to your hand. When this creature enters, you may return target blue instant card from your graveyard to your hand.

Sorcery

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

Artifact

{2}, {T}: Create a 0/1 colorless Pest artifact creature token.

Artifact

{2}, {T}, Discard your hand: Counter target noncreature spell.

Creature — Vampire Shaman

{3}{B}, Exile a creature card from your graveyard: Create a tapped 2/2 black Zombie creature token.