As Adaptive Automaton enters the battlefield, choose a creature type.

Adaptive Automaton is the chosen type in addition to its other types.

Other creatures you control of the chosen type get +1/+1.

{2}{B}, {T}, Exile a creature you control: Return target creature card from your graveyard to the battlefield. Activate only as a sorcery.

---

Create a tapped 4/1 black Skeleton creature token with menace. (Then exile this card. You may cast the artifact later from exile.)

When Altar of the Wretched enters the battlefield, you may sacrifice a nontoken creature. If you do, draw X cards, then mill X cards, where X is that creature's power.

Craft with one or more creatures {2}{B}{B}

{2}{B}: Return Altar of the Wretched from your graveyard to your hand.

Wretched Bonemass's power and toughness are each equal to the total power of the exiled cards used to craft it.

Wretched Bonemass has flying as long as an exiled card used to craft it has flying. The same is true for first strike, double strike, deathtouch, haste, hexproof, indestructible, lifelink, menace, protection, reach, trample, and vigilance.

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

Destroy target permanent. Its controller creates a 3/3 green Beast creature token.

{4}, {T}: Create a 2/2 colorless Shapeshifter creature token with changeling. (It has every creature type.)

Changeling (This card is every creature type.)

As Bloodline Pretender enters the battlefield, choose a creature type.

Whenever another creature of the chosen type enters the battlefield under your control, put a +1/+1 counter on Bloodline Pretender.

Flying

{3}{B}{B}, Exile seven other cards from your graveyard: Return Bone Dragon from your graveyard to the battlefield tapped.

As Brass Herald enters the battlefield, choose a creature type.

When Brass Herald enters the battlefield, reveal the top four cards of your library. Put all creature cards of the chosen type revealed this way into your hand and the rest on the bottom of your library in any order.

Creatures of the chosen type get +1/+1.

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.

Changeling (This card is every creature type.)

Protection from black

{2}{G}{G}: Chameleon Colossus gets +X/+X until end of turn, where X is its power.

{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.

Changeling (This card is every creature type.)

Changeling Outcast can't block and can't be blocked.

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.

When Clattering Skeletons dies, venture into the dungeon. (Enter the first room or advance to the next room.)

{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 Commander's Sphere: Draw a card.

Skeletons you control get +1/+0 and have haste.

When Corpses of the Lost enters the battlefield, create a 2/2 black Skeleton Pirate creature token.

At the beginning of your end step, if you descended this turn, you may pay 1 life. If you do, return Corpses of the Lost to its owner's hand. (You descended if a permanent card was put into your graveyard from anywhere.)

Choose a creature type. Creatures that aren't of the chosen type get -3/-3 until end of turn.

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.

Search your library for up to two basic land cards, reveal those cards, put one onto the battlefield tapped and the other into your hand, then shuffle.

Darkmoss Bridge enters the battlefield tapped.

Indestructible

{T}: Add {B} or {G}.

Skeletons you control and other Zombies you control get +1/+1 and have deathtouch.

Menace

Negative Energy Cone -- Whenever an attacking creature you control or a blocking creature an opponent controls dies, create a 2/2 black Zombie creature token.

{5}{B}: Return Death Tyrant from your graveyard to the battlefield tapped.

Skeletons, Vampires, and Zombies you control get +1/+1.

At the beginning of your end step, if a creature died this turn, you may pay {1}. If you do, create a 1/1 black Skeleton creature token.

Destroy target creature. Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

{3}: Tap Drudge Sentinel. It gains indestructible until end of turn. (Damage and effects that say "destroy" don't destroy it.)

Search your library for a Plains, Island, Swamp, or Mountain card, put it onto the battlefield tapped, then shuffle.

({T}: Add {G}.)

({T}: Add {G}.)

When Ghastly Death Tyrant enters the battlefield, choose one --

• Disintegration Ray -- Destroy target enchantment an opponent controls. You lose life equal to its mana value.

• Death Ray -- Creatures you control gain deathtouch until end of turn.

Destroy target nonartifact creature.

Changeling (This card is every creature type.)

When Graveshifter enters the battlefield, you may return target creature card from your graveyard to your hand.

Reveal the top five cards of your library. You may put a creature or land card from among them into your hand. Put the rest into your graveyard.

Changeling (This card is every creature type.)

When Guardian Gladewalker enters the battlefield, put a +1/+1 counter on target creature.

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.

Draw three cards.

({T}: Add {B} or {G}.)

Haunted Mire enters the battlefield tapped.

Equipped creature gets +3/+1.

Whenever equipped creature dies, you may reveal cards from the top of your library until you reveal a creature card that shares a creature type with it. Put that card into your hand and the rest on the bottom of your library in a random order.

Equip {1}

As Icon of Ancestry enters the battlefield, choose a creature type.

Creatures you control of the chosen type get +1/+1.

{3}, {T}: Look at the top three cards of your library. You may reveal a creature card of the chosen type from among them and put it into your hand. Put the rest on the bottom of your library in a random order.

Flash

As Instruments of War enters the battlefield, choose a creature type.

Creatures you control of the chosen type get +1/+1.

Jungle Hollow enters the battlefield tapped.

When Jungle Hollow enters the battlefield, you gain 1 life.

{T}: Add {B} or {G}.

Search your library for up to two basic land cards, reveal those cards, put one onto the battlefield tapped and the other into your hand, then shuffle.

Split second (As long as this spell is on the stack, players can't cast spells or activate abilities that aren't mana abilities.)

Destroy target artifact or enchantment.

Haste

{1}{B}: Regenerate Manor Skeleton.

{B}: Regenerate Marang River Skeleton.

Megamorph {3}{B} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its megamorph cost and put a +1/+1 counter on it.)

Changeling (This card is every creature type.)

When Masked Vandal enters the battlefield, you may exile a creature card from your graveyard. If you do, exile target artifact or enchantment an opponent controls.

Whenever another creature you control dies, you get an experience counter.

At the beginning of your end step, choose target creature card in your graveyard. If that card's mana value is less than or equal to the number of experience counters you have, return it to the battlefield. Otherwise, put it into your hand.

Changeling (This card is every creature type.)

Target creature gets +3/-3 and loses all creature types until end of turn.

Search your library for a Forest card, put that card onto the battlefield, then shuffle.

As Necroblossom Snarl enters the battlefield, you may reveal a Swamp or Forest card from your hand. If you don't, Necroblossom Snarl enters the battlefield tapped.

{T}: Add {B} or {G}.

{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.

Other black creatures you control get +1/+1.

{2}{B}, {T}: Another target black creature you control gains deathtouch until end of turn. (Any amount of damage it deals to a creature is enough to destroy it.)

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

As Pillar of Origins enters the battlefield, choose a creature type.

{T}: Add one mana of any color. Spend this mana only to cast a creature spell of the chosen type.

This spell costs {2} less to cast if it targets a legendary creature.

Destroy target creature.

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.)

As Progenitor's Icon enters the battlefield, choose a creature type.

{T}: Add one mana of any color.

{T}: The next spell of the chosen type you cast this turn can be cast as though it had flash.

Destroy target artifact or creature. It can't be regenerated.

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

{3}{B}, {T}: Target creature gains swampwalk until end of turn. (It can't be blocked as long as defending player controls a Swamp.)

{1}{B}: Regenerate Restless Bones.

Choose one --

• Draw cards equal to the greatest power among non-Human creatures you control.

• Non-Human creatures you control get +3/+3 until end of turn.

Choose one --

• Destroy target artifact.

• Destroy target enchantment.

• Exile target card from a graveyard.

Each player sacrifices a creature. If you sacrificed a creature this way, you may return another permanent card from your graveyard to the battlefield.

Rot Farm Skeleton can't block.

{2}{B}{G}, Mill four cards: Return Rot Farm Skeleton from your graveyard to the battlefield. Activate only as a sorcery.

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

Each Skeleton you control has trample, attacks each combat if able, and gets +X/+0, where X is the number of other Skeletons you control.

At the beginning of your end step, create a tapped 1/1 black Skeleton creature token. If a creature died this turn, create two of those tokens instead.

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.

Skemfar Elderhall enters the battlefield tapped.

{T}: Add {G}.

{2}{B}{B}{G}, {T}, Sacrifice Skemfar Elderhall: Up to one target creature you don't control gets -2/-2 until end of turn. Create two 1/1 green Elf Warrior creature tokens. Activate only as a sorcery.

Deathtouch

When Skullwinder enters the battlefield, return target card from your graveyard to your hand, then choose an opponent. That player returns a card from their graveyard to their hand.

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

Fathomless descent -- Return to the battlefield target nonland permanent card in your graveyard with mana value less than or equal to the number of permanent cards in your graveyard.

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

Temple of Malady enters the battlefield tapped.

When Temple of Malady enters the battlefield, scry 1.

{T}: Add {B} or {G}.

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

Destroy target nonartifact, nonblack creature. It can't be regenerated.

Thriving Grove enters the battlefield tapped.

As Thriving Grove enters the battlefield, choose a color other than green.

{T}: Add {G} or one mana of the chosen color.

Thriving Moor enters the battlefield tapped.

As Thriving Moor enters the battlefield, choose a color other than black.

{T}: Add {B} or one mana of the chosen color.

Changeling (This card is every creature type.)

When Visage of Dread enters the battlefield, target opponent reveals their hand. You choose an artifact or creature card from it. That player discards that card.

Craft with two creatures {5}{B} ({5}{B}, Exile this artifact, Exile the two from among creatures you control and/or creature cards in your graveyard: Return this card transformed under its owner's control. Craft only as a sorcery.)

Menace

Whenever Dread Osseosaur enters the battlefield or attacks, you may mill two cards. (You may put the top two cards of your library into your graveyard.)

Changeling (This card is every creature type.)

Reach

When Webweaver Changeling enters the battlefield, if there are three or more creature cards in your graveyard, you gain 5 life.

Witherbloom Campus enters the battlefield tapped.

{T}: Add {B} or {G}.

{4}, {T}: Scry 1.

({T}: Add {B} or {G}.)

Woodland Chasm enters the battlefield tapped.