The Relentless Dragon

Legendary Creature — Spirit

Flying, trample Whenever The Unspeakable deals combat damage to a player, you may return target Arcane card from your graveyard to your hand.

Legendary Artifact Creature — God

Flying, trample, haste As long as there are fewer than eight cards in your graveyard, The Warring Triad isn't a creature. {T}, Mill a card: Target player adds one mana of any color.

Creature — Demon

At end of combat, gain control of all creatures blocking this creature for as long as you control this creature.

Creature — Basilisk

Whenever this creature blocks or becomes blocked by a non-Wall creature, destroy that creature at end of combat.

Creature — Elemental Rhino

Trample (This creature can deal excess combat damage to the player or planeswalker it's attacking.) Other Elementals you control have trample.

Creature — Elemental

Kicker {1}{G} (You may pay an additional {1}{G} as you cast this spell.) When this creature enters, if it was kicked, you may reveal cards from the top of your library until you reveal a creature card. If you do, put that card onto the battlefield and shuffle all other cards revealed this way into your library.

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/+1, has "Whenever this creature deals combat damage to a player, draw a card," and is a Rogue in addition to its other types. Equip {4}

Sorcery

Exile all nontoken permanents. Starting with you, each player chooses one of the exiled cards and puts it onto the battlefield tapped under their control. Repeat this process until all cards exiled this way have been chosen.

Creature — Human Rogue

Flash Whenever this creature or another Rogue you control enters, each opponent mills two cards. As long as an opponent has eight or more cards in their graveyard, this creature gets +2/+1 and has deathtouch.

Creature — Merfolk Rogue

Kicker {X}. X can't be 0. (You may pay an additional {X} as you cast this spell.) Flying When this creature enters, if it was kicked, gain control of target artifact with mana value X or less. If that artifact is an Equipment, attach it to this creature.

Instant

Draw a card. Flashback {2}{U} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Enchantment — Aura

Enchant creature When this Aura enters, tap enchanted creature. Enchanted creature doesn't untap during its controller's untap step. At the beginning of your upkeep, sacrifice this Aura unless you pay {U}.

Instant

Draw three cards. Then discard two cards unless you discard an artifact card.

Instant

Draw three cards. Then discard two cards unless you discard an enchantment card.

Creature — Shade

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

Creature — Kithkin Knight

Flash Other white creatures you control get +1/+1. Other blue creatures you control get +1/+1.

Artifact — Vehicle

Flying Whenever you draw your second card each turn, create a 1/1 colorless Thopter artifact creature token with flying. Crew 2

Artifact

{1}, Sacrifice a nontoken artifact: Create a 1/1 blue Thopter artifact creature token with flying. You gain 1 life.

Creature — Elemental

You may have this creature assign its combat damage as though it weren't blocked.

Artifact Land

This land enters tapped. Indestructible {T}: Add {G} or {W}.

Creature — Elf Warrior

Whenever this creature becomes the target of a spell or ability an opponent controls, create a 1/1 green Elf Warrior creature token. {5}{G}: This creature gets +4/+4 until end of turn.

Creature — Elemental Shapeshifter

{G}: This creature gains haste until end of turn. {G}: This creature gains trample until end of turn. {G}: This creature gains indestructible until end of turn. {1}: This creature gets +1/-1 until end of turn. {1}: This creature gets -1/+1 until end of turn.

Creature — Human Wizard

{R}{R}, {T}: This creature deals 2 damage to target creature. {W}{W}, {T}: Target creature gains protection from the color of your choice until end of turn.

Land

{T}: Add {R}. {T}: Add {G}. Activate only if you control a Mountain or a Forest.

Enchantment

Whenever you attack, investigate. (Create a Clue token. It's an artifact with "{2}, Sacrifice this token: Draw a card.") Whenever you sacrifice a Clue, venture into the dungeon. (Enter the first room or advance to the next room.)

Sorcery

Affinity for artifacts (This spell costs {1} less to cast for each artifact you control.) Draw two cards.

Artifact

{X}, {T}: Target opponent reveals cards from the top of their library until an artifact card or X cards are revealed, whichever comes first. If an artifact card is revealed this way, put it onto the battlefield under your control and sacrifice this artifact. Put the rest of the revealed cards into that player's graveyard.

Sorcery

Target opponent reveals their hand. You choose a nonland card from it. That player discards that card. Surveil 1. (Look at the top card of your library. You may put it into your graveyard.)

Sorcery

Choose a nonland card name. Target player reveals their hand. Thought Hemorrhage deals 3 damage to that player for each card with the chosen name revealed this way. Search that player's graveyard, hand, and library for all cards with that name and exile them. Then that player shuffles.

Artifact Creature — Construct

Affinity for artifacts (This spell costs {1} less to cast for each artifact you control.) Flying When this creature enters, draw two cards.

Sorcery

Each player sacrifices a land of their choice for each card in your hand.

Creature — Sponge

Flash This creature enters with a number of +1/+1 counters on it equal to the greatest number of cards an opponent has drawn this turn. When this creature dies, draw cards equal to its power.

Creature — Elemental

Flying Morph {5}{U}{U} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.) When this creature is turned face up, return all other tapped creatures to their owners' hands.

Creature — Human Soldier

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

Creature — Beast

When this creature enters, you gain 5 life. When this creature leaves the battlefield, create a 3/3 green Beast creature token.

Artifact — Book

{5}, {T}: Reveal the top three cards of your library. Target opponent chooses one of those cards. Put that card into your graveyard, then draw two cards.

Artifact Creature — Construct

Echo {4} (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay its echo cost.) This creature attacks each combat if able.

Artifact

Echo {4} (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay its echo cost.) You may choose not to untap this artifact during your untap step. {2}, {T}: All creatures get +2/+2 for as long as this artifact remains tapped.

Instant // Sorcery

Enchantment — Aura

Enchant creature with mana value 2 or less You control enchanted creature.

Sorcery

Search your library for up to four creature cards with different powers and reveal them. An opponent chooses two of those cards. Shuffle the chosen cards into your library and put the rest into your hand.

Sorcery

Search your library for up to three Aura cards with different names, reveal them, put them into your hand, then shuffle.

Instant

Exile the top three cards of your library face down. You may look at those cards for as long as they remain exiled. Until your next turn, you may play those cards. At the beginning of your next upkeep, put any of those cards you didn't play into your graveyard.

Creature — Siren

Flash Flying When this creature enters, target creature an opponent controls gets -X/-0 until end of turn, where X is your devotion to blue. (Each {U} in the mana costs of permanents you control counts toward your devotion to blue.)

Creature — Human Mercenary

Squad—{1}, Discard a card. (As an additional cost to cast this spell, you may pay its squad cost any number of times. When this creature enters, create that many tokens that are copies of it.) When this creature dies, create a Junk token.

Creature — Gremlin

When this creature enters, you get {E}{E} (two energy counters). Whenever this creature attacks, you may pay {E}{E}. If you do, put a +1/+1 counter on it.

Creature — Rhino

When this creature enters, you get {E}{E} (two energy counters). Whenever this creature attacks, you may pay {E}{E}. If you do, put a +1/+1 counter on it.

Sorcery

Cascade (When you cast this spell, exile cards from the top of your library until you exile a nonland card that costs less. You may cast it without paying its mana cost. Put the exiled cards on the bottom in a random order.) Retrace (You may cast this card from your graveyard by discarding a land card in addition to paying its other costs.)

Artifact

Whenever a player casts a black spell, you may pay {1}. If you do, you gain 1 life.

Land

{T}: Add {C}. {1}, {T}: Put a charge counter on this land. {T}, Remove a charge counter from this land: Add two mana of any one color. Spend this mana only to cast kicked spells.

Instant — Arcane

You may put a creature card from your hand onto the battlefield. That creature gains haste. Sacrifice that creature at the beginning of the next end step. Splice onto Arcane {2}{R}{R} (As you cast an Arcane spell, you may reveal this card from your hand and pay its splice cost. If you do, add this card's effects to that spell.)

Sorcery

Target creature you control gets +1/+1 until end of turn. Put a +1/+1 counter on it instead if it's a Mount. Then it deals damage equal to its power to target creature you don't control.

Creature — Thrull

Thrull creatures get +1/+1. {T}: Gain control of target Thrull for as long as you control this creature.

Legendary Creature — Elemental Giant

Flash (You may cast this spell any time you could cast an instant.) Flying Spells you cast with mana value 5 or greater cost {1} less to cast and can't be countered.