Skulk (This creature can't be blocked by creatures with greater power.) At the beginning of your upkeep, you may discard all the cards in your hand. If you do, draw that many cards.

Defender {2}{B}, Sacrifice a creature: You gain 1 life and draw a card.

Whenever a creature you control becomes blocked, you may return it to its owner's hand. Whenever one or more creatures you control deal combat damage to a player, draw a card.

When this creature enters, you draw a card and you lose 1 life.

When this creature dies, discover 3. (Exile cards from the top of your library until you exile a nonland card with mana value 3 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.)

Whenever this creature attacks, another target attacking creature can't be blocked this turn.

Shadow (This creature can block or be blocked by only creatures with shadow.) This creature can't be blocked by white creatures.

{U/P}: Change a target of target spell or ability to this creature. ({U/P} can be paid with either {U} or 2 life.)

Flash Ward {2} Probing Telepathy — Whenever a creature entering under an opponent's control causes a triggered ability of that creature to trigger, you may copy that ability. You may choose new targets for the copy.

This land enters tapped. When this land enters, exile target player's graveyard. {T}: Add {B}.

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

({T}: Add {U}.)

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

({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.

{T}: Add {U} or {B}. {U}{B}: This artifact becomes a 2/2 blue and black Horror artifact creature until end of turn and can't be blocked this turn.

Aberrant Tinkering — When this creature enters and at the beginning of your upkeep, each Horror you control gains all activated abilities of target artifact an opponent controls until end of turn. You may spend blue mana as though it were mana of any color to activate those abilities.

({B/P} can be paid with either {B} or 2 life.) Lifelink For each {B} in a cost, you may pay 2 life rather than pay that mana. Whenever you cast a black spell, put a +1/+1 counter on K'rrik.

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.) I, II — This Saga deals 2 damage to each opponent and you gain 2 life. III — Create an X/X black Nightmare Horror creature token, where X is half your life total, rounded up. It deals X damage to you.

Whenever you draw a card, put a +1/+1 counter on this creature. When this creature dies, create X 1/1 blue Squid creature tokens with islandwalk, where X is the number of +1/+1 counters on this creature. (They can't be blocked as long as defending player controls an Island.)

Flash Whenever this creature attacks, surveil 1. (Look at the top card of your library. You may put it into your graveyard.)

Ward {2} (Whenever this creature becomes the target of a spell or ability an opponent controls, counter it unless that player pays {2}.) {3}{U}{U}: This creature can't be blocked this turn. Activate only if you own a card in exile.

Flying Whenever this creature enters or attacks, draw a card, then discard a card. Threshold — This creature gets +1/+1 and has deathtouch as long as there are seven or more cards in your graveyard.

When this creature dies, it deals 1 damage to any target and you gain 1 life.

Whenever this creature attacks, if defending player controls no Glimmer creatures, it gains menace and deathtouch until end of turn. (A creature with menace can't be blocked except by two or more creatures.)

Horrors you control have menace. Whenever a Horror you control deals combat damage to a player, that player mills that many cards. At the beginning of your end step, choose target artifact or creature card in an opponent's graveyard that was put there from their library this turn. Put it onto the battlefield under your control.

Consuming Aberration's power and toughness are each equal to the number of cards in your opponents' graveyards. Whenever you cast a spell, each opponent reveals cards from the top of their library until they reveal a land card, then puts those cards into their graveyard.

Flying Whenever you cast a noncreature spell, surveil 1. (Look at the top card of your library. You may put it into your graveyard.)

Whenever one or more cards are put into your graveyard from your library, this creature gets +1/+1 until end of turn and can't be blocked this turn. {1}{U}{B}: Mill a card.

When this creature enters, target player mills three cards. (They put the top three cards of their library into their graveyard.) {2}{U}: This creature can't be blocked this turn.

Each opponent mills fourteen cards. Cycling {1}{U} ({1}{U}, Discard this card: Draw a card.) When you cycle this card, each opponent mills four cards.

Fear (This creature can't be blocked except by artifact creatures and/or black creatures.) Whenever this creature attacks and isn't blocked, defending player loses 1 life for each card in their graveyard.

Whenever this creature attacks, defending player mills ten cards.

Flying Whenever you attack with one or more creatures, target player mills that many cards. (To mill a card, a player puts the top card of their library into their graveyard.) {2}{U}: Put this card from your graveyard into your library second from the top.

All Nightmares get +1/+1. {B}{B}{B}, Pay 3 life: Put target creature card from a graveyard onto the battlefield under your control. That creature is black and is a Nightmare in addition to its other creature types. When Chainer leaves the battlefield, exile all Nightmares.

Each player mills two cards. Then you put a creature card from a graveyard onto the battlefield under your control.

Enchant creature When this Aura enters, tap enchanted creature. Enchanted creature doesn't untap during its controller's untap step.

Exile X target creatures. For each creature exiled this way, its controller creates a 2/2 green Boar creature token.

Flying When this creature enters, destroy target nonblack creature. It can't be regenerated.

Counter target spell. If that spell is countered this way, exile it instead of putting it into its owner's graveyard. You may shuffle up to four target cards from your graveyard into your library.

As an additional cost to cast this spell, sacrifice a creature, discard a card, or pay 4 life. When this creature enters, each opponent sacrifices a creature of their choice, discards a card, and loses 4 life.

As an additional cost to cast this spell, sacrifice a creature or pay {3}{B}. Exile target creature or planeswalker.

When this artifact enters, exile target card from a graveyard. {1}, {T}, Exile this artifact: Exile all cards from all graveyards, then draw a card.

Dominate Monster — When this creature enters, gain control of target creature for as long as you control this creature.

Flash Flying Exploit (When this creature enters, you may sacrifice a creature.) When this creature exploits a creature, counter target spell, activated ability, or triggered ability.

{5}, {T}, Exile this artifact: Exile all nonland permanents.

Exile target artifact or creature. Its controller creates a 1/1 blue Bird creature token with flying. Foretell {U} (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.)

When this creature enters, destroy target creature an opponent controls.

If a creature an opponent controls would die, exile it instead. {2}, {T}, Sacrifice Stone of Erech: Exile target player's graveyard. Draw a card.

Exile all other spells and counter all abilities.

Tymaret's toughness is equal to your devotion to black. (Each {B} in the mana costs of permanents you control counts toward your devotion to black.) {1}{B}: Exile up to two target cards from graveyards. You gain 1 life for each creature card exiled this way.