{U}, Sacrifice this artifact: Return target creature to its owner's hand. {1}, Sacrifice this artifact: Draw a card.

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

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

{T}, Sacrifice this artifact: Add one mana of any color.

{T}: Add {C}. {2}, {T}: Scry 1. (Look at the top card of your library. You may put that card on the bottom.)

Changeling (This card is every creature type.) {T}: Target creature gains all creature types until end of turn. {T}: Target creature loses all creature types until end of turn.

Lifelink, haste

Changeling (This card is every creature type.) This creature can't block and can't be blocked.

Whenever another creature dies, you may gain 1 life.

This creature can't be blocked. Transmute {1}{U}{B} ({1}{U}{B}, Discard this card: Search your library for a card with the same mana value as this card, reveal it, put it into your hand, then shuffle. Transmute only as a sorcery.)

Flying When this creature enters, scry 2. (Look at the top two cards of your library, then put any number of them on the bottom and the rest on top in any order.)

Haste (This creature can attack and {T} as soon as it comes under your control.) {1}: This creature can't be blocked this turn except by creatures with haste. {2}, {T}, Sacrifice this creature: You gain 3 life.

Each opponent's maximum hand size is reduced by one.

When this creature enters, each opponent loses X life, where X is your devotion to black. You gain life equal to the life lost this way. (Each {B} in the mana costs of permanents you control counts toward your devotion to black.)

Shadow (This creature can block or be blocked by only creatures with shadow.) Whenever this creature deals damage to an opponent, draw a card, then discard a card.

Ninjutsu {U} ({U}, Return an unblocked attacker you control to hand: Put this card onto the battlefield from your hand tapped and attacking.) Whenever this creature deals combat damage to a player, you may return target creature that player controls to its owner's hand.

Changeling (This card is every creature type.) Tap an untapped creature you control: This creature gains flying until end of turn.

Whenever this creature becomes tapped, each opponent loses 1 life and you gain 1 life.

Ninjutsu {1}{U} ({1}{U}, Return an unblocked attacker you control to hand: Put this card onto the battlefield from your hand tapped and attacking.) Whenever this creature deals combat damage to a player, you may draw a card.

Flying

This creature can't be blocked.

This creature can't attack unless there are five or more cards in your graveyard. Cycling {U} ({U}, Discard this card: Draw a card.)

Whenever another black creature you control enters, target creature gains intimidate until end of turn. (It can't be blocked except by artifact creatures and/or creatures that share a color with it.)

Delve (Each card you exile from your graveyard while casting this spell pays for {1}.) Deathtouch (Any amount of damage this deals to a creature is enough to destroy it.)

This creature can't attack unless defending player controls an Island. Cycling {1}{U} ({1}{U}, Discard this card: Draw a card.)

Swampwalk (This creature can't be blocked as long as defending player controls a Swamp.) Cycling—Pay 2 life. (Pay 2 life, Discard this card: Draw a card.)

Hexproof (This creature can't be the target of spells or abilities your opponents control.) Cycling {U} ({U}, Discard this card: Draw a card.)

This creature can't block and can't be blocked.

Changeling (This card is every creature type.)

Menace (This creature can't be blocked except by two or more creatures.) {2}{B}, Exile this card from your graveyard: You draw a card and you lose 1 life.

When this creature enters, put target creature on top of its owner's library.

Cycling {2} ({2}, Discard this card: Draw a card.) Unearth {1}{B} ({1}{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.)

Flying Cycling {U} ({U}, Discard this card: Draw a card.) When you cycle this card, target creature gains flying until end of turn.

Enchant creature Enchanted creature can't be blocked. Whenever enchanted creature attacks, scry 1. (Look at the top card of your library. You may put that card on the bottom.)

Whenever an opponent casts a spell, you may draw a card unless that player pays {1}.

Draw three cards, then put two cards from your hand on top of your library in any order.

Counter target spell.

Add {B}{B}{B}.

Delve (Each card you exile from your graveyard while casting this spell pays for {1}.) Destroy target nongreen creature. It can't be regenerated.

Target creature gets -3/-0 until end of turn. Transmute {1}{U}{U} ({1}{U}{U}, Discard this card: Search your library for a card with the same mana value as this card, reveal it, put it into your hand, then shuffle. Transmute only as a sorcery.)

You may discard an Island card and another card rather than pay this spell's mana cost. Counter target spell.

Draw two cards, then discard two cards. Untap up to three lands.

Put any number of target creature cards from your graveyard on top of your library. Draw a card.

Draw two cards. Cycling {U} ({U}, Discard this card: Draw a card.)

Counter target instant or sorcery spell. Transmute {1}{U}{U} ({1}{U}{U}, Discard this card: Search your library for a card with the same mana value as this card, reveal it, put it into your hand, then shuffle. Transmute only as a sorcery.)

Search your library for an instant card or a card with flash, reveal it, put it into your hand, then shuffle. Flashback {5}{B} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Counter target noncreature spell.

Exile target artifact or creature. Its controller creates a 4/4 blue and red Elemental creature token.

Choose two target creatures controlled by different players. Return those creatures to their owners' hands.

Exile up to four target cards from a single graveyard. Transmute {1}{B}{B} ({1}{B}{B}, Discard this card: Search your library for a card with the same mana value as this card, reveal it, put it into your hand, then shuffle. Transmute only as a sorcery.)

If you control a Swamp, you may pay 4 life rather than pay this spell's mana cost. Destroy target nonblack creature. It can't be regenerated.

Counter target noncreature spell unless its controller pays {2}.

You may exile the top three black cards of your graveyard rather than pay this spell's mana cost. Spinning Darkness deals 3 damage to target nonblack creature. You gain 3 life.

Look at target player's hand, the top card of that player's library, and any face-down creatures they control. Look at the top four cards of your library, then put them back in any order.

Target creature gets -1/-1 until end of turn. Morbid — That creature gets -13/-13 until end of turn instead if a creature died this turn.

Destroy target nonblack creature. It can't be regenerated. You lose life equal to that creature's toughness.

This land enters tapped. {T}: Add {B}. Cycling {B} ({B}, Discard this card: Draw a card.)

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

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

This land enters tapped. When this land enters, you gain 1 life. {T}: Add {U} or {B}.

{T}: Add {C}. {T}: Choose target commander that entered this turn. Put a +1/+1 counter on it if it's a creature and a loyalty counter on it if it's a planeswalker.

This land enters tapped. When this land enters, look at the top three cards of your library, then put them back in any order. {T}: Add {U}.

({T}: Add {U}.)

This land enters tapped. {T}: Add {U}. Cycling {U} ({U}, Discard this card: Draw a card.)

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

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 {B}.)

This land enters tapped. As it enters, choose a color other than blue. {T}: Add {U} or one mana of the chosen color.

Surveil 5. (Look at the top five cards of your library, then put any number of them into your graveyard and the rest on top of your library in any order.)

Destroy target creature or enchantment an opponent controls. You lose life equal to that permanent's mana value.

Put any number of target creature cards from your graveyard on top of your library. Draw a card.

({U/P} can be paid with either {U} or 2 life.) Look at target player's hand. Draw a card.

Look at the top five cards of your library, then put them back in any order.

Look at the top three cards of your library, then put them back in any order. You may shuffle. Draw a card.

Look at the top three cards of target player's library, then put them back in any order. You may have that player shuffle. Draw a card at the beginning of the next turn's upkeep.

Scry 2, then draw a card. (To scry 2, look at the top two cards of your library, then put any number of them on the bottom and the rest on top in any order.)