The Relentless Dragon

Enchantment — Aura

Enchant creature Enchanted creature gets +1/+1 and has "Whenever this creature deals damage to an opponent, you may draw a card." Umbra armor (If enchanted creature would be destroyed, instead remove all damage from it and destroy this Aura.)

Instant

You may exile a blue card from your hand rather than pay this spell's mana cost. Return target creature to its owner's hand.

Creature — Human Wizard

Flash When this creature enters, target instant or sorcery card in your graveyard gains flashback until end of turn. The flashback cost is equal to its mana cost. (You may cast that card from your graveyard for its flashback cost. Then exile it.)

Artifact Creature — Thopter

Flying, haste

Creature — Spider

Reach Whenever this creature blocks a creature with flying, this creature gets +2/+0 until end of turn.

Creature — Human Rogue

When this creature enters, mill two cards. (Put the top two cards of your library into your graveyard.) As long as there are five or more mana values among cards in your graveyard, this creature gets +1/+1 and has lifelink.

Instant

Tap up to two target creatures. Those creatures don't untap during their controller's next untap step. Draw two cards, then discard a card.

Basic Snow Land — Forest

({T}: Add {G}.)

Basic Snow Land — Island

({T}: Add {U}.)

Basic Snow Land — Mountain

({T}: Add {R}.)

Basic Snow Land — Plains

({T}: Add {W}.)

Basic Snow Land — Swamp

({T}: Add {B}.)

Enchantment — Aura

Enchant creature Enchanted creature gets -X/-Y. If that creature is attacking, X is the number of snow lands defending player controls. Otherwise, X is the number of snow lands its controller controls. Y is equal to X or to enchanted creature's toughness minus 1, whichever is smaller.

Creature — Human Druid

Alliance — Whenever another creature you control enters, you gain 1 life.

Creature — Goblin Artificer

At the beginning of combat on your turn, you may pay {1} and sacrifice an artifact. If you do, create a 3/1 red Construct artifact creature token with haste.

Artifact

As this artifact enters, choose a color. {T}: Add one mana of the chosen color.

Legendary Creature — Demon

Swampwalk (This creature can't be blocked as long as defending player controls a Swamp.) Whenever a player casts a black spell, you gain 1 life.

Sorcery

Each creature deals damage to itself equal to its power.

Instant

Exile target creature. If it was dealt damage this turn, create a Clue token. (It's an artifact with "{2}, Sacrifice this token: Draw a card.")

Artifact Creature — Soldier

{1}: Choose target opponent. Regenerate this creature. When it regenerates this way, that player may draw a card.

Artifact Creature — Beast

Whenever this creature becomes tapped, target opponent gains 2 life. {2}: Regenerate this creature.

Creature — Human Mercenary

{R}, {T}: Target player shuffles their library.

Creature — Human Soldier

Protection from multicolored Whenever an opponent casts a multicolored spell, you gain 1 life.

Creature — Dwarf Warrior

Double strike Revolt — At the beginning of your end step, if a permanent left the battlefield under your control this turn, put a +1/+1 counter on this creature.

Artifact Creature — Golem

When this creature enters, you may search your library for a basic land card, put that card onto the battlefield tapped, then shuffle. When this creature dies, you may draw a card.

Artifact Creature — Construct

{U}: Untap this creature.

Creature — Elemental Incarnation

Flash Lifelink When this creature enters, exile up to one other target creature. That creature's controller gains life equal to its power. Evoke—Exile a white card from your hand.

Creature — Rhino Cleric

When this creature enters, you get {E}{E} (two energy counters). {T}, Pay {E}: Tap target creature.

Instant

Choose up to two target permanent cards in your graveyard. Roll a d20 and add the total mana value of those cards. 1—14 | Return those cards to your hand. 15+ | Return those cards to your hand. You gain life equal to their total mana value.

Sorcery

Create X 1/1 black Rat creature tokens with "This token can't block." Creatures you control gain haste until end of turn.

Enchantment

Whenever you cast a spell, populate. (Create a token that's a copy of a creature token you control.)

Creature — Human Bard

Flash When this creature enters, target instant or sorcery card in your graveyard gains harmonize until end of turn. Its harmonize cost is equal to its mana cost. (You may cast that card from your graveyard for its harmonize cost. You may tap a creature you control to reduce that cost by {X}, where X is its power. Then exile the spell.)

Instant

Target player gains 5 life.

Creature — Merfolk Wizard

{1}{U}, {T}: Draw a card, then discard a card.

Enchantment

{3}{U}{U}: Shuffle your library. {X}: Look at the top X cards of your library, then put them back in any order.

Artifact

{2}: Target creature you control gains flying until end of turn. {2}: Prevent all combat damage that would be dealt to and dealt by target creature you control this turn.

Creature — Moonfolk Rogue

Flying {2}, Return a land you control to its owner's hand: Draw a card, then discard a card.

Creature — Moonfolk Wizard

Flying {2}, Return a land you control to its owner's hand: Target player mills two cards.

Legendary Creature — Human

Bird creatures get +1/+1. {1}{W}: Target Bird 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 a player controls are blocking or being blocked by a creature, that player divides that creature's combat damage, not its controller, among any of the creatures it's being blocked by or is blocking.)

Sorcery

Return target instant or sorcery card from your graveyard or exiled card with flashback you own to your hand. Add {R}. Flashback {4}{R} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Artifact

As this artifact enters, look at an opponent's hand, then choose any card name. Activated abilities of sources with the chosen name can't be activated unless they're mana abilities.

Legendary Planeswalker — Sorin

+1: Look at the top card of your library. You may reveal that card and put it into your hand. If you do, you lose life equal to its mana value. −2: Create a 2/3 black Vampire creature token with flying and lifelink. −7: Sorin deals 13 damage to any target. You gain 13 life.

Land

{T}: Choose two target blocking creatures controlled by the same opponent. If each of those creatures could block all creatures that the other is blocking, remove both of them from combat. Each one then blocks all creatures the other was blocking. Whenever this land becomes tapped, it deals 2 damage to you and each creature you control.

Legendary Creature — Snake Warrior

Other Snake creatures you control get +1/+0. Whenever a Warrior you control deals combat damage to a creature, destroy that creature at end of combat.

Creature — Vampire

Flying Whenever a creature dealt damage by this creature this turn dies, return that card to the battlefield under your control. Morph {B}{B}{B} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.)

Artifact

{6}, {T}: Two target players exchange life totals.