At the beginning of your precombat main phase, add {B} for each charge counter on Altar of Shadows. {7}, {T}: Destroy target creature. Then put a charge counter on Altar of Shadows.

{T}: Add one mana of any color. {4}, {T}: Each player who controls a permanent named Bonder's Ornament draws a card.

{2}, {T}: Draw a card, then discard a card. Create a Treasure token. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.")

{T}: Add {C}{C}{C}. {3}, {T}, Sacrifice Dreamstone Hedron: Draw three cards.

Multikicker {2} (You may pay an additional {2} any number of times as you cast this spell.) Everflowing Chalice enters the battlefield with a charge counter on it for each time it was kicked. {T}: Add {C} for each charge counter on Everflowing Chalice.

Whenever one or more Vampires you control attack, create a Blood token. (It's an artifact with "{1}, {T}, Discard a card, Sacrifice this artifact: Draw a card.") {B}, {T}, Pay 1 life: Create a 1/1 white and black Vampire creature token with lifelink. {B}{B}, {T}, Sacrifice Glass-Cast Heart and thirteen Blood tokens: Each opponent loses 13 life and you gain 13 life.

{T}: Add one mana of any color. {4}, {T}: Look at the top card of your library. If it's a land card, you may put it onto the battlefield tapped. If you don't put the card onto the battlefield, you may put it on the bottom of your library.

{T}: Add {C}. {4}, {T}: Investigate. (Create a Clue token. It's an artifact with "{2}, Sacrifice this artifact: Draw a card.")

Malefic Scythe enters the battlefield with a soul counter on it. Equipped creature gets +1/+1 for each soul counter on Malefic Scythe. Whenever equipped creature dies, put a soul counter on Malefic Scythe. Equip {1} ({1}: Attach to target creature you control. Equip only as a sorcery.)

{3}, {T} or {B}, {T}: Return target artifact creature card from your graveyard to your hand.

Whenever Slagstone Refinery or another nontoken artifact you control is put into a graveyard from the battlefield or is put into exile from the battlefield, create a tapped Powerstone token. (It's an artifact with "{T}: Add {C}. This mana can't be spent to cast a nonartifact spell.")

Imprint — When Soul Foundry enters the battlefield, you may exile a creature card from your hand. {X}, {T}: Create a token that's a copy of the exiled card. X is the mana value of that card.

Equipped creature has reach, "{2}, {T}: Tap target artifact or creature," and "{8}, {T}: Discover 10." (Exile cards from the top of your library until you exile a nonland card with mana value 10 or less. Cast it without paying its mana cost or put it into your hand. Put the rest on the bottom in a random order.) Equip {1}

Tome of Legends enters the battlefield with a page counter on it. Whenever your commander enters the battlefield or attacks, put a page counter on Tome of Legends. {1}, {T}, Remove a page counter from Tome of Legends: Draw a card.

{8}, {T}: Draw four cards.

{1}, {T}, Discard a card: You gain 4 life. {1}, {T}, Pay 1 life: Create a 0/1 white Goat creature token. {1}, {T}, Sacrifice a creature: Return target artifact card from your graveyard to your hand. {1}, {T}, Sacrifice an artifact: Draw a card.

{B}, {T}, Sacrifice a creature: Add {C}{C}{C}. {2}, {T}, Sacrifice a creature: Create a 3/3 colorless Zombie artifact creature token. Activate only as a sorcery.

Equipped creature gets +2/+0. Whenever equipped creature dies, draw a card. Equip {2} or {B}

Indestructible When Barbed Servitor enters the battlefield, suspect it. (It has menace and can't block.) Whenever Barbed Servitor deals combat damage to a player, you draw a card and you lose 1 life. Whenever Barbed Servitor is dealt damage, target opponent loses that much life.

{8}: Target player loses 3 life and you gain 3 life.

Bloodsoaked Champion can't block. Raid — {1}{B}: Return Bloodsoaked Champion from your graveyard to the battlefield. Activate only if you attacked this turn.

{1}: Add {B}.

{3}, Sacrifice Burnished Hart: Search your library for up to two basic land cards, put them onto the battlefield tapped, then shuffle.

{3}{B}{B}, {T}, Sacrifice X other creatures: Return X target creature cards from your graveyard to the battlefield. {5}{B}{B}: Put Champion of Stray Souls on top of your library from your graveyard.

Flying Atomic Transmutation — {1}, {T}, Sacrifice another artifact: Draw a card. Unearth {2}{B} ({2}{B}: Return this card from your graveyard to the battlefield. It gains haste. Exile it at the beginning of the next end step or if it would leave the battlefield. Unearth only as a sorcery.)

When Circuit Mender enters the battlefield, you gain 2 life. When Circuit Mender leaves the battlefield, draw a card.

Clattering Augur can't block. When Clattering Augur enters the battlefield, you draw a card and you lose 1 life. {2}{B}{B}: Return Clattering Augur from your graveyard to your hand.

Clay Revenant enters the battlefield tapped. {2}{B}: Return Clay Revenant from your graveyard to your hand.

Cult Conscript enters the battlefield tapped. {1}{B}: Return Cult Conscript from your graveyard to the battlefield. Activate only if a non-Skeleton creature died under your control this turn.

Haste Daring Fiendbonder attacks each combat if able. {1}{B}, Exile Daring Fiendbonder from your graveyard: Put an indestructible counter on target creature. Activate only as a sorcery.

When Dogged Detective enters the battlefield, 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.) Whenever an opponent draws their second card each turn, you may return Dogged Detective from your graveyard to your hand.

{T}, Sacrifice an artifact or creature: Each opponent loses 1 life and you gain 1 life.

When Etched Familiar dies, each opponent loses 2 life and you gain 2 life.

{T}, Sacrifice a creature: Put two +1/+1 counters on target creature. {T}, Remove a counter from a creature you control: Create a Treasure token. {T}, Sacrifice an artifact: Create a 2/1 white and black Inkling creature token with flying. {3}{B}: Untap Fain, the Broker.

Intimidate (This creature can't be blocked except by artifact creatures and/or creatures that share a color with it.) {X}{B}: Put target artifact or creature card with mana value X from an opponent's graveyard onto the battlefield under your control tapped. Then that player mills X cards.

Flying (This creature can't be blocked except by creatures with flying or reach.) {5}{B}{B}: Return target creature card from your graveyard to the battlefield tapped.

When Haunt of the Dead Marshes enters the battlefield, scry 1. {2}{B}: Return Haunt of the Dead Marshes from your graveyard to the battlefield tapped. Activate only if you control a legendary creature.

Whenever one or more nontoken creatures you control die, investigate. This ability triggers only once each turn. (Create a Clue token. It's an artifact with "{2}, Sacrifice this artifact: Draw a card.")

{T}: Add {B}.

When Meteor Golem enters the battlefield, destroy target nonland permanent an opponent controls.

Flying Whenever you create or sacrifice a token, each opponent loses 1 life.

When Myr Battlesphere enters the battlefield, create four 1/1 colorless Myr artifact creature tokens. Whenever Myr Battlesphere attacks, you may tap X untapped Myr you control. If you do, Myr Battlesphere gets +X/+0 until end of turn and deals X damage to the player or planeswalker it's attacking.

Menace When Noxious Gearhulk enters the battlefield, you may destroy another target creature. If a creature is destroyed this way, you gain life equal to its toughness.

Whenever another nontoken creature dies, you may create a 1/1 black Rat creature token. Rats you control have deathtouch.

{2}{B}: Return Persistent Specimen from your graveyard to the battlefield tapped.

When Persuasive Interrogators enters the battlefield, investigate. (Create a Clue token. It's an artifact with "{2}, Sacrifice this artifact: Draw a card.") Whenever you sacrifice a Clue, target opponent gets two poison counters. (A player with ten or more poison counters loses the game.)

When Phyrexian Triniform dies, create three 3/3 colorless Phyrexian Golem artifact creature tokens. Encore {12} ({12}, Exile this card from your graveyard: For each opponent, create a token copy that attacks that opponent this turn if able. They gain haste. Sacrifice them at the beginning of the next end step. Activate only as a sorcery.)

Whenever a creature you control dies, scry 1. (Look at the top card of your library. You may put that card on the bottom of your library.)

Razorlash Transmogrant can't block. {4}{B}{B}: Return Razorlash Transmogrant from your graveyard to the battlefield with a +1/+1 counter on it. This ability costs {4} less to activate if an opponent controls four or more nonbasic lands.

{1}{B}: Return Reassembling Skeleton from your graveyard to the battlefield tapped.

{2}{B}: Return Sanitarium Skeleton from your graveyard to your hand.

Each other creature you control that's a Skeleton or Pirate gets +1/+1. Whenever one or more creature cards leave your graveyard, create a 2/2 black Skeleton Pirate creature token. (This ability triggers only from the battlefield.) {5}{B}: Return Skeleton Crew from your graveyard to the battlefield tapped.

Whenever one or more cards leave your graveyard, create a tapped 2/2 black Zombie creature token. Partner (You can have two commanders if both have partner.)

When Unshakable Tail enters the battlefield and at the beginning of your upkeep, surveil 1. Whenever one or more creature cards are put into your graveyard from your library, investigate. (Create a Clue token. It's an artifact with "{2}, Sacrifice this artifact: Draw a card.") {2}, Sacrifice a Clue: Return Unshakable Tail from your graveyard to your hand.

{6}{B}: Each opponent loses 2 life and you gain 2 life.

Commander creatures you own have "Whenever this creature attacks a player, if no opponent has more life than that player, put a +1/+1 counter on this creature. It gains deathtouch and indestructible until end of turn."

When this Case enters the battlefield, create a 2/1 black Skeleton creature token and suspect it. (It has menace and can't block.) To solve — You control no suspected Skeletons. (If unsolved, solve at the beginning of your end step.) Solved — {1}{B}, Sacrifice this Case: Search your library for a card, put it into your hand, then shuffle. Activate only as a sorcery.

Enchant creature Enchanted creature has "Whenever another creature dies, put a +1/+1 counter on this creature." When enchanted creature dies, look at the top X cards of your library, where X is its power. Put one of those cards into your hand and the rest on the bottom of your library in a random order.

Enchant creature Whenever a creature dies, put a +1/+1 counter on enchanted creature.

{T}: Add {C}. {1}, {T}: Add one mana of any color. {4}, {T}: Create a tapped Powerstone token. (It's an artifact with "{T}: Add {C}. This mana can't be spent to cast a nonartifact spell.")

Myriad Landscape enters the battlefield tapped. {T}: Add {C}. {2}, {T}, Sacrifice Myriad Landscape: Search your library for up to two basic land cards that share a land type, put them onto the battlefield tapped, then shuffle.

{T}: Add {C}. {1}, {T}: Add one mana of any color in your commander's color identity. If you spend this mana to cast your commander, it enters the battlefield with a number of additional +1/+1 counters on it equal to the number of times it's been cast from the command zone this game.

{T}: Add {C}. {4}, {T}: Target creature can't be blocked this turn.

{T}: Add {C}{C}. Activate only if you control five or more lands.

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

Barad-dûr enters the battlefield tapped unless you control a legendary creature. {T}: Add {B}. {X}{X}{B}, {T}: Amass Orcs X. Activate only if a creature died this turn.

When Carrier Thrall dies, create a 1/1 colorless Eldrazi Scion creature token. It has "Sacrifice this creature: Add {C}."

Charcoal Diamond enters the battlefield tapped. {T}: Add {B}.

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

When Disciple of Perdition dies, choose one. If you have exactly 13 life, you may choose both. • You draw a card and you lose 1 life. • Exile target opponent's graveyard. That player loses 1 life.

When Dreadhound enters the battlefield, mill three cards. (Put the top three cards of your library into your graveyard.) Whenever a creature dies or a creature card is put into a graveyard from a library, each opponent loses 1 life.

When Dutiful Attendant dies, return another target creature card from your graveyard to your hand.

When Energy Refractor enters the battlefield, draw a card. {2}: Add one mana of any color.

Artifact spells you cast cost {1} less to cast.

When Greedy Freebooter dies, scry 1 and create a Treasure token. (To scry 1, look at the top card of your library. You may put that card on the bottom. A Treasure token is an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.")

Gutterbones enters the battlefield tapped. {1}{B}: Return Gutterbones from your graveyard to your hand. Activate only during your turn and only if an opponent lost life this turn.

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

Nonartifact spells you cast have improvise. (Your artifacts can help cast those spells. Each artifact you tap after you're done activating mana abilities pays for {1}.)

+1: Create a tapped Powerstone token. (It's an artifact with "{T}: Add {C}. This mana can't be spent to cast a nonartifact spell.") −1: Pay any amount of mana. Look at that many cards from the top of your library, then put one of those cards into your hand and the rest on the bottom of your library in a random order. −7: You get an emblem with "Tap an untapped artifact you control: This emblem deals 1 damage to any target."

{T}: Add {C}. {1}, {T}, Sacrifice Mind Stone: Draw a card.

When Myr Sire dies, create a 1/1 colorless Phyrexian Myr artifact creature token.

When Nested Shambler dies, create X tapped 1/1 green Squirrel creature tokens, where X is Nested Shambler's power.

When Novice Occultist dies, you draw a card and you lose 1 life.

{T}: Target player loses 1 life.

Orochi Hatchery enters the battlefield with X charge counters on it. {5}, {T}: Create a 1/1 green Snake creature token for each charge counter on Orochi Hatchery.

{4}, {T}: Create a 1/1 colorless Snake artifact creature token. It has "Whenever this creature deals damage to a player, that player gets a poison counter." (A player with ten or more poison counters loses the game.)

When Serrated Scorpion dies, it deals 2 damage to each opponent and you gain 2 life.

Flying When Skeletal Vampire enters the battlefield, create two 1/1 black Bat creature tokens with flying. {3}{B}{B}, Sacrifice a Bat: Create two 1/1 black Bat creature tokens with flying. Sacrifice a Bat: Regenerate Skeletal Vampire.

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

{T}, Tap an untapped creature you control: Add one mana of any color.

When Tenacious Dead dies, you may pay {1}{B}. If you do, return it to the battlefield tapped under its owner's control.

{8}, {T}: You gain 10 life.