The Relentless Dragon

Enchantment — Aura

Enchant nonbasic land When enchanted land becomes tapped, destroy it.

Creature — Phyrexian Artificer

Toxic 1 (Players dealt combat damage by this creature also get a poison counter.) When this creature enters, up to one target artifact you control becomes an artifact creature with base power and toughness 4/4 for as long as this creature remains on the battlefield.

Creature — Zombie

Zombie spells you cast cost {1} less to cast. Zombie creatures you control get +2/+1.

Creature — Rat

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

Creature — Gorgon Assassin

When this creature enters, you may sacrifice an artifact or creature. When you do, exile target creature an opponent controls.

Sorcery

Target player loses 1 life, discards a card, then sacrifices a permanent of their choice. Cipher (Then you may exile this spell card encoded on a creature you control. Whenever that creature deals combat damage to a player, its controller may cast a copy of the encoded card without paying its mana cost.)

Land

{T}: Add {C}. {T}: Add {U} or {B}. This land deals 1 damage to you.

Instant

As an additional cost to cast this spell, you may pay {2}{R}. Prevent all combat damage that would be dealt this turn. If this spell's additional cost was paid, this effect doesn't affect combat damage that would be dealt by red creatures.

Creature — Elemental

If damage would be dealt to this creature while it has a +1/+1 counter on it, prevent that damage and remove a +1/+1 counter from this creature. Landfall — Whenever a land you control enters, put a +1/+1 counter on this creature.

Creature — Giant Warrior

Vigilance When this creature enters, you take the initiative. {T}: Add {G}{G}. If you've completed a dungeon, add six {G} instead.

Creature — Giant Rogue

Flash (You may cast this spell any time you could cast an instant.) This creature enters tapped.

Enchantment

Creatures with islandwalk can be blocked as though they didn't have islandwalk.

Creature — Nightmare Horse

This creature can't block. Escape—{4}{B}, Exile three other cards from your graveyard. (You may cast this card from your graveyard for its escape cost.) This creature escapes with two +1/+1 counters on it.

Enchantment

Whenever an opponent draws a card, this enchantment deals 1 damage to that player.

Sorcery

Underworld Fires deals 1 damage to each creature and each planeswalker. If a permanent dealt damage this way would die this turn, exile it instead.

Creature — Elemental Dog

This creature attacks each combat if able. Escape—{3}{R}, Exile three other cards from your graveyard. (You may cast this card from your graveyard for its escape cost.) This creature escapes with a +1/+1 counter on it.

Sorcery

Exile cards from the top of your library until you exile a nonland card. Undying Flames deals damage to any target equal to that card's mana value. Epic (For the rest of the game, you can't cast spells. At the beginning of each of your upkeeps, copy this spell except for its epic ability. You may choose a new target for the copy.)

Artifact

{3}, {T}, Tap an untapped creature you control: This artifact deals damage equal to the tapped creature's power to target attacking or blocking creature with flying.

Sorcery

Gain control of target creature until end of turn. Untap that creature. It gains haste until end of turn. You may attach an Equipment you control to that creature. If you do, unattach it at the beginning of the next end step.

Sorcery

Shuffle your library, then reveal the top card. If it's a nonland card, you may cast it without paying its mana cost. If it's a land card, you may put it onto the battlefield and return Unexpected Results to its owner's hand.

Instant

Devoid (This card has no color.) Draw three cards and create a 0/1 colorless Eldrazi Spawn creature token with "Sacrifice this token: Add {C}."

Enchantment — Aura

Enchant creature Enchanted creature gets +2/+2 and has trample and lifelink. (Damage dealt by the creature also causes its controller to gain that much life.)

Creature — Spirit

Menace (This creature can't be blocked except by two or more creatures.) Whenever this creature attacks, return target creature card with mana value X or less from your graveyard to the battlefield, where X is the number of modified creatures you control. (Equipment, Auras you control, and counters are modifications.)

Enchantment

{1}, Pay 1 life: Draw a card, then discard a card.

Land

Black legendary creatures you control have "bands with other legendary creatures." (Any legendary creatures can attack in a band as long as at least one has "bands with other legendary creatures." Bands are blocked as a group. If at least two legendary creatures you control, one of which has "bands with other legendary creatures," are blocking or being blocked by the same creature, you divide that creature's combat damage, not its controller, among any of the creatures it's being blocked by or is blocking.)

Artifact — Equipment Vehicle

First strike, haste Equipped creature has first strike and haste. Equip {1} Crew 1

Instant

Counter target spell if you control more creatures than that spell's controller.

Land

This land enters tapped. {T}: Add {W} or {U}. {4}, {T}: Surveil 1. (Look at the top card of your library. You may put it into your graveyard.)

Creature — Zombie Assassin

{B}: This creature gets +1/-1 until end of turn. {B}, {T}: Destroy target creature with power less than this creature's power.

Instant

Exile target creature.

Sorcery

Return target permanent card from your graveyard to your hand. Proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

Enchantment

{1}: Choose a creature type other than Wall. Target creature becomes that type until end of turn.

Enchantment

If a cycling ability of another nonland card would cause you to draw a card, instead exile cards from the top of your library until you exile a card that shares a card type with the cycled card. You may cast that card without paying its mana cost. Then put the exiled cards that weren't cast this way on the bottom of your library in a random order. Cycling {2} ({2}, Discard this card: Draw a card.)

Enchantment

If a cycling ability of another nonland card would cause you to draw a card, instead exile cards from the top of your library until you exile a card that shares a card type with the cycled card. You may cast that card without paying its mana cost. Then put the exiled cards that weren't cast this way on the bottom of your library in a random order. Cycling {2} ({2}, Discard this card: Draw a card.)

Creature — Shapeshifter

Changeling (This card is every creature type.) Whenever you or a permanent you control becomes the target of a spell or ability an opponent controls, counter that spell or ability unless its controller pays {1}.

Enchantment

Pay 3 life: Put a +1/+1 counter on target creature.

Instant

Target player draws a card, then up to one target creature you control connives. (Draw a card, then discard a card. If you discarded a nonland card, put a +1/+1 counter on that creature.)

Artifact

{T}: Add {C}. {7}, {T}, Sacrifice this artifact: Destroy target permanent.

Creature — Shapeshifter

Whenever another creature enters, this creature becomes a copy of that creature, except it has this ability.

Creature — Treefolk Warrior

Trample Champion a Treefolk or Warrior (When this enters, sacrifice it unless you exile another Treefolk or Warrior you control. When this leaves the battlefield, that card returns to the battlefield.) Whenever a creature you control becomes blocked, it gets +0/+5 until end of turn.

Artifact Creature — Ogre Warrior

When this creature enters, target creature can't block this turn.

Enchantment

At the beginning of your end step, untap all nonland permanents you control.

Enchantment

At the beginning of your end step, untap all nonland permanents you control.

Instant

Destroy target creature. Its controller manifests dread. (That player looks at the top two cards of their library, then puts one onto the battlefield face down as a 2/2 creature and the other into their graveyard. If it's a creature card, it can be turned face up any time for its mana cost.)

Creature — Frog

Menace (This creature can't be blocked except by two or more creatures.) {2}{B}, Exile this card from your graveyard: You draw a card and you lose 1 life.

Artifact Creature — Phyrexian Wizard

When this creature enters, it deals X damage to any target, where X is the number of permanents you control with oil counters on them.

Artifact

At the beginning of combat on your turn, put an oil counter on this artifact, then create an X/1 red Phyrexian Horror creature token with trample and haste, where X is the number of oil counters on this artifact. Sacrifice that token at the beginning of the next end step.

Land

This land enters tapped. {T}: Add {G}, {W}, or {U}. {2}, Return a tapped creature you control to its owner's hand: Put this card from your hand onto the battlefield. Activate only as a sorcery.

Enchantment — Aura

Enchant land When this Aura enters, draw a card. Enchanted land has "{T}: Add one mana of any color."

Legendary Land

{T}: Add {B}. {T}: Target creature loses first strike or swampwalk until end of turn.

Instant

Target opponent sacrifices a creature of their choice for each creature put into your graveyard from the battlefield this turn.

Legendary Creature — Elemental

First strike Creatures with swampwalk can be blocked as though they didn't have swampwalk.

Instant

As an additional cost to cast this spell, collect evidence X, where X is the total mana value of the permanents this spell targets. Destroy up to one target artifact, up to one target creature, up to one target enchantment, and up to one target planeswalker.

Legendary Artifact Creature — Myr

Whenever you cast a Myr spell, create a 1/1 colorless Myr artifact creature token. At the beginning of combat on your turn, untap each Myr you control. {W}{U}{B}{R}{G}, {T}: Put three +1/+1 counters on each Myr you control. Activate only during your turn.

Enchantment — Saga

Read ahead (Choose a chapter and start with that many lore counters. Add one after your draw step. Skipped chapters don't trigger. Sacrifice after III.) I — Scry 4, then you may reveal the top card of your library. If a planeswalker card is revealed this way, put it into your hand. II — You may put a planeswalker card with mana value 6 or less from your hand onto the battlefield. III — You may activate the loyalty abilities of planeswalkers you control twice this turn rather than only once.

Artifact

Echo {6} (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.) {T}: Draw a card.

Artifact Creature — Juggernaut

Trample {3}: This creature gains banding until end of turn. (Any creatures with banding, and up to one without, can attack in a band. Bands are blocked as a group. If any creatures with banding you control are blocking or being blocked by a creature, you divide that creature's combat damage, not its controller, among any of the creatures it's being blocked by or is blocking.) {3}: Attacking creatures banded with this creature gain trample until end of turn.

Land — Urza's Mine

{T}: Add {C}. If you control an Urza's Power-Plant and an Urza's Tower, add {C}{C} instead.