The Guildhouse

Creature — Human Cleric

As this creature enters, choose a nonland card name. Whenever an opponent casts a spell with the chosen name, they lose 3 life and you draw a card.

Legendary Creature — Elder Dragon

Flying, vigilance Each instant and sorcery spell you cast has casualty 1. (As you cast that spell, you may sacrifice a creature with power 1 or greater. When you do, copy the spell and you may choose new targets for the copy.)

Land

This land enters tapped. When this land enters, return a land you control to its owner's hand. {T}: Add {G}{U}.

Land — Gate

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

Artifact

{T}: Add {G} or {U}. {G}{U}: This artifact becomes a 2/3 green and blue Crab artifact creature with hexproof until end of turn. (It can't be the target of spells or abilities your opponents control.)

Creature — Mutant Wizard

Evolve (Whenever a creature you control enters, if that creature has greater power or toughness than this creature, put a +1/+1 counter on this creature.) {T}, Remove one or more +1/+1 counters from this creature: Gain control of target creature with power less than or equal to the number of +1/+1 counters removed this way.

Creature — Sliver

All Sliver creatures get +1/+1.

Sorcery

Each player chooses a creature or planeswalker they control, then sacrifices the rest. Players can't cast creature or planeswalker spells until the end of your next turn.

Artifact

At the beginning of combat on your turn, each opponent loses 1 life and you gain 1 life. {T}, Pay 2 life, Sacrifice this artifact: Draw two cards. Activate only as a sorcery.

Creature — Dinosaur

When this creature enters, look at the top X cards of your library, where X is the number of Caves you control plus the number of Cave cards in your graveyard. Put two of those cards into your hand and the rest on the bottom of your library in a random order.

Instant

Look at the top two cards of target opponent's library. Exile one of them face down and put the other on the bottom of that library. You may play the exiled card for as long as it remains exiled, and you may spend mana as though it were mana of any color to cast that spell. Flashback {1}{U}{B}

Creature — Demon

At the beginning of each end step, each player discards their hand.

Creature — Eldrazi

Devoid (This card has no color.) Whenever a land an opponent controls enters, that player exiles the top two cards of their library and you draw two cards.

Artifact

{T}: Add {C}{C}.

Creature — Human Knight

Flash Psychic Abomination — When this creature enters, counter target instant spell, sorcery spell, activated ability, or triggered ability.

Creature — Human Warrior

Martyrdom — When this creature dies, you gain 2 life and draw two cards. Miracle {W}{B} (You may cast this card for its miracle cost when you draw it if it's the first card you drew this turn.)

Legendary Creature — Snake Cleric Warlock

{T}, Sacrifice another creature or an artifact: For each opponent, you mill a card, then return that card from your graveyard to your hand unless that player pays 3 life. (To mill a card, put the top card of your library into your graveyard.) Choose a Background (You can have a Background as a second commander.)

Legendary Creature — Dragon Ranger

Whenever Skanos Dragonheart attacks, it gets +X/+X until end of turn, where X is the greatest power among other Dragons you control and Dragon cards in your graveyard. Choose a Background (You can have a Background as a second commander.)

Creature — Dragon

Riot (This creature enters with your choice of a +1/+1 counter or haste.) Flying {3}{R}: This creature deals 2 damage divided as you choose among one or two targets. Activate only if this creature has a +1/+1 counter on it.

Land

{T}: Add {C}. {R}{G}, {T}: Target creature gets +1/+1 and gains trample until end of turn.

Sorcery

Spectacle {R} (You may cast this spell for its spectacle cost rather than its mana cost if an opponent lost life this turn.) Skewer the Critics deals 3 damage to any target.

Creature — Phyrexian Imp

Flying Discard a card: Add {B}.

Creature — Rhino

Trample When this creature enters, each opponent loses 2 life and you gain 2 life.

Creature — Human Cleric

Morbid — {T}, Tap two untapped creatures you control: Create a 5/5 black Demon creature token with flying. Activate only if a creature died this turn.

Kindred Sorcery — Eldrazi

Create five 0/1 colorless Eldrazi Spawn creature tokens. They have "Sacrifice this token: Add {C}."

Creature — Eldrazi Drone

Devoid (This card has no color.) Menace Whenever you sacrifice a nontoken permanent, create a 0/1 colorless Eldrazi Spawn creature token with "Sacrifice this token: Add {C}."

Legendary Creature — Goblin Wizard

When Skoa enters, it deals 4 damage to any target. Grandeur — Discard another card named Skoa, Embermage, Sacrifice two Mountains: Skoa deals 4 damage to any target.

Legendary Artifact Creature — Phyrexian Mite

Toxic 1 (Players dealt combat damage by this creature also get a poison counter.) Skrelv can't block. {W/P}, {T}: Choose a color. Another target creature you control gains toxic 1 and hexproof from that color until end of turn. It can't be blocked by creatures of that color this turn. ({W/P} can be paid with either {W} or 2 life.)

Enchantment

At the beginning of your upkeep, you lose 1 life and create a 1/1 colorless Phyrexian Mite artifact creature token with toxic 1 and "This token can't block." Corrupted — As long as an opponent has three or more poison counters, creatures you control with toxic have lifelink.

Instant

Until end of turn, target creature you control gets +1/+1 and target creature an opponent controls gets -1/-1.

Creature — Fungus Snail

When this creature enters, target opponent exiles a card from their hand.

Artifact — Equipment

Equipped creature gets +1/-1. Whenever equipped creature dies, draw two cards. Equip {1}

Instant

Players can't gain life this turn. Damage can't be prevented this turn. Skullcrack deals 3 damage to target player or planeswalker.

Sorcery

Target player discards two cards at random unless that player has Skullscorch deal 4 damage to them.

Creature — Insect Skeleton

Flying Eerie — Whenever an enchantment you control enters and whenever you fully unlock a Room, surveil 1. (Look at the top card of your library. You may put it into your graveyard.)

Enchantment

Constellation — Whenever this enchantment or another enchantment you control enters, exile target nonenchantment permanent. Return that card to the battlefield under its owner's control at the beginning of the next end step.

Enchantment Creature — Human Samurai

Affinity for enchantments (This spell costs {1} less to cast for each enchantment you control.) Flying

Creature — Elemental Cat

Flying This creature gets +1/+1 for each other creature you control with flying. {2}{W}{U}: Create a 1/1 white Cat Bird creature token with flying.

Creature — Shade

Kicker {2}{B} This creature can't block. If this creature was kicked, it enters with two +1/+1 counters on it. Landfall — Whenever a land you control enters, if this card is in your graveyard and it's your turn, you may cast it from your graveyard this turn.

Land

{1}, {T}: Add {W}{U}.

Land

{T}: Add {C}. {3}, {T}: Target creature becomes prepared. (Only creatures with prepare spells can become prepared.)

Creature — Spider

Reach When this creature enters, you may sacrifice another creature. When you do, destroy target nonland permanent. When this creature dies, you may gain 1 life for each creature card in your graveyard. If you do, exile this card from your graveyard.