({T}: Add {B} or {R}.) As this land enters, you may pay 2 life. If you don't, it enters tapped.

{T}: Add one mana of any color in your commander's color identity.

As this land enters, you may reveal a Swamp or Mountain card from your hand. If you don't, this land enters tapped. {T}: Add {B} or {R}.

This land enters tapped unless you control two or more other lands. {T}: Add {B} or {R}.

This land enters tapped. {T}: Add {B} or {R}. {1}{B}{R}: Until end of turn, this land becomes a 2/2 black and red Elemental creature with "{X}: This creature gets +X/+0 until end of turn." It's still a land.

This land enters tapped. When this land enters, you may put target creature card from your graveyard on top of your library. {T}: Add {B}.

({T}: Add {R}.)

{T}, Pay 1 life, Sacrifice this land: Search your library for a basic land card, put it onto the battlefield, then shuffle.

{1}, {T}: Add {B}{R}.

({T}: Add {B} or {R}.) This land enters tapped unless you control two or more basic lands.

({T}: Add {B}.)

{T}: Add one mana of any color in your commander's color identity.

{T}: Add one mana of any color in your commander's color identity. Sacrifice this artifact: Draw a card.

You have no maximum hand size. {T}: Add one mana of any color.

{T}: Add one mana of any color that a land an opponent controls could produce.

{T}: Draw a card. Activate only if you created a token this turn. {8}, {T}, Sacrifice this artifact: Create a 10/10 colorless Eldrazi creature token.

Creatures you control are every creature type. The same is true for creature spells you control and creature cards you own that aren't on the battlefield. {3}, {T}: Create a 2/2 blue Shapeshifter creature token with changeling. (It is every creature type.)

{T}: Add {C}. {1}, {T}, Sacrifice this artifact: Draw a card.

{1}, {T}: Add {B}{R}.

Casualty X. The copy isn't legendary and has starting loyalty X. (As you cast this spell, you may sacrifice a creature with power X. When you do, copy this spell. The copy becomes a token.) +1: Each opponent loses 2 life unless they discard a card. If you control a Demon or Devil, you gain 2 life. −2: Create a 1/1 red Devil creature token with "When this token dies, it deals 1 damage to any target." −7: Target player draws seven cards and loses 7 life.

Binding Contract — If you would draw a card, exile the top card of your library face down instead. {B}{B}{B}: Draw seven cards. {B}: Return all cards exiled with Asmodeus to their owner's hand and you lose that much life.

Flying Whenever this creature attacks or dies, choose one or more. Each mode must target a different player. • Target opponent draws three cards, then discards three cards at random. • Target opponent sacrifices a nontoken artifact of their choice. • This creature deals damage to target opponent equal to the number of cards in their hand.

Menace Equipped creature has base power and toughness 5/5, has menace, and is a black Demon in addition to its other colors and types. Reconfigure {2}{B}{B} ({2}{B}{B}: Attach to target creature you control; or unattach from a creature. Reconfigure only as a sorcery. While attached, this isn't a creature.)

At the beginning of your upkeep, you may sacrifice this creature. If you do, search your library for a Demon card, reveal that card, put it into your hand, then shuffle. Whenever a Demon you control enters, return this card from your graveyard to your hand.

Discard a card: You may cast a creature spell from your graveyard this turn. Activate only once each turn. Whenever a nontoken creature you control enters, if you didn't cast it from your hand, it gains haste until your next turn.

Flying, trample Pay 2 life: Surveil 2. (Look at the top two cards of your library, then put any number of them into your graveyard and the rest on top of your library in any order.)

Trample, myriad (Whenever this creature attacks, for each opponent other than defending player, you may create a token copy that's tapped and attacking that player or a planeswalker they control. Exile the tokens at end of combat.) As long as this creature is attacking, it gets +X/+0, where X is the number of lands defending player controls.

First strike (This creature deals combat damage before creatures without first strike.) If a source would deal damage to an opponent, it deals double that damage to that player instead.

When this creature dies, it deals 1 damage to any target.

When this creature enters, it deals 1 damage to target creature and 1 damage to you.

When this creature enters, it deals 1 damage to each opponent. Delirium — At the beginning of each opponent's upkeep, if there are four or more card types among cards in your graveyard, this creature deals 1 damage to that player.

Whenever one or more creatures you control deal combat damage to a player, create two Treasure tokens. {B}, Sacrifice X Treasures: Target creature gets -X/-X until end of turn. Activate only as a sorcery.

Haste Whenever a creature you control attacks, this creature deals 1 damage to the player or planeswalker it's attacking.

{B}, Sacrifice a creature: Scry 2. {2}{R}, {T}: Exile the top card of your library. You may play that card this turn. When you exile a nonland card this way, Hidetsugu deals damage equal to the exiled card's mana value to any target.

Whenever you attack, if it's the first combat phase of the turn, untap all attacking creatures. They gain first strike until end of turn. After this phase, there is an additional combat phase. Choose a Background (You can have a Background as a second commander.)

{1}{R}, {T}, Sacrifice this creature: Each player discards their hand, then draws seven cards.

At the beginning of your end step, create a Treasure token for each creature that died this turn. (It's an artifact with "{T}, Sacrifice this token: Add one mana of any color.")

Whenever a player sacrifices a permanent, this creature deals 1 damage to any target.

Menace (This creature can't be blocked except by two or more creatures.) Whenever this creature attacks, target creature gets +1/+0 until end of turn. Blitz {1}{R} (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.)

Flying, trample Whenever one or more opponents each lose exactly 1 life, put a +1/+1 counter on Ob Nixilis. Exile the top card of your library. Until your next end step, you may play that card.

Menace Whenever a player casts their first spell each turn, they create a Treasure token. Whenever an artifact an opponent controls is put into a graveyard from the battlefield, this creature deals 1 damage to that player.

Deathtouch Mystic Arcanum — At the beginning of your end step, exile the top card of your library. Until the end of your next turn, you may play that card. Pact Boon — Whenever you play a card from exile, create a Treasure token.

Whenever a nontoken creature an opponent controls dies, exile it. {2}{B}, Put a creature card exiled with Shelob into its owner's graveyard: Put two +1/+1 counters on Shelob. Draw a card. {X}{1}{B}: Put target creature card with mana value X exiled with Shelob onto the battlefield tapped under your control.

Menace At the beginning of your upkeep, reveal the top card of your library. Any opponent may have you put that card into your graveyard. If a player does, this creature deals damage to that player equal to that card's mana value. Otherwise, put that card into your hand.

Flying As this creature enters, choose two players. Whenever damage is dealt to one of the chosen players, the other chosen player also loses that much life.

During your turn, this creature has first strike. Whenever another creature dies, this creature deals 1 damage to target player or planeswalker.

Changeling (This card is every creature type.) Whenever an opponent casts a spell, you may put a +1/+1 counter on this creature.

When this creature enters, any opponent may have it deal 4 damage to them. If a player does, sacrifice this creature.

Flying {B}, Pay 2 life: Target creature gets -1/-1 until end of turn. Whenever you lose life, draw that many cards. (Damage causes loss of life.)

When this creature enters and at the beginning of your upkeep, choose a player at random. That player exiles an instant or sorcery card from their graveyard. Copy that card. You may cast the copy without paying its mana cost.

Alliance — Whenever another creature you control enters, this creature deals 1 damage to each opponent.

This spell costs {1} less to cast for each creature on the battlefield. Blasphemous Act deals 13 damage to each creature.

Choose one — • Burn Down the House deals 5 damage to each creature and each planeswalker. • Create three 1/1 red Devil creature tokens with "When this token dies, it deals 1 damage to any target." They gain haste until end of turn.

Search your library for a card, put that card into your hand, then shuffle.

Return target creature card from your graveyard to the battlefield. Flashback—Sacrifice three creatures. (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Choose a creature type. Return up to two creature cards of that type from your graveyard to the battlefield. If this spell was foretold, return all creature cards of that type from your graveyard to the battlefield instead. Foretell {5}{B}{B} (During your turn, you may pay {2} and exile this card from your hand face down. Cast it on a later turn for its foretell cost.)

Each player exiles all creature cards from their graveyard, then sacrifices all creatures they control, then puts all cards they exiled this way onto the battlefield.

Each player chooses a creature type. Each player returns all creature cards of a type chosen this way from their graveyard to the battlefield.

Return target nonlegendary creature card from your graveyard to the battlefield with a -1/-1 counter on it.

Put target creature card from a graveyard onto the battlefield under your control. You lose life equal to its mana value.

Destroy target creature. Madness {B}{R} (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.)

At the beginning of your first main phase, choose one or more — • Sell Contraband — Create a Treasure token. You lose 1 life. • Buy Information — Draw a card. You lose 2 life. • Hire a Mercenary — Create a 3/2 colorless Shapeshifter creature token with changeling. You lose 3 life. (It has every creature type.)

Whenever an opponent loses life, you gain that much life.

Whenever you gain life, target opponent loses that much life.

As an additional cost to cast this spell, discard a card. Draw two cards and create two Treasure tokens. (They're artifacts with "{T}, Sacrifice this token: Add one mana of any color.")

The owner of target permanent shuffles it into their library, then reveals the top card of their library. If it's a permanent card, they put it onto the battlefield.

As an additional cost to cast this spell, sacrifice an artifact or creature. Draw two cards and create a Treasure token. (It's an artifact with "{T}, Sacrifice this token: Add one mana of any color.")

As an additional cost to cast this spell, pay X life. Target creature gets +X/+0 until end of turn.

Choose one — • Exile target player's graveyard. • Destroy target artifact. • Each creature deals 1 damage to its controller.

Destroy target creature. It can't be regenerated.