Return target nonland permanent to its owner's hand. Then that permanent's controller may sacrifice a land of their choice. If the player does, they may copy this spell and may choose a new target for that copy.

Counter target spell.

Copy target instant or sorcery spell, then return it to its owner's hand. You may choose new targets for the copy.

Exile target creature. Its controller gains life equal to its power.

Flash Whenever an opponent searches their library, you gain 1 life and draw a card.

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

Delve (Each card you exile from your graveyard while casting this spell pays for {1}.) Draw three cards.

{T}: Add {C}. {T}: Add {W} or {U}. This land deals 1 damage to you.

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

{T}: Add {C}. {T}: Add {W} or {B}. This land deals 1 damage to you.

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

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

{T}, Sacrifice this land: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle. Then if you control four or more lands, untap that land.

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

This land enters tapped unless you control a Plains or an Island. {T}: Add {W} or {U}.

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

{T}: Add {C}. {1}{W}, {T}: Put target enchantment card from your graveyard on top of your library.

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

({T}: Add {U}.)

This land enters tapped unless you control a Plains or a Swamp. {T}: Add {W} or {B}.

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

This land enters tapped unless you have two or more opponents. {T}: Add {U} or {B}.

({T}: Add {W}.)

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

This land enters tapped unless you have two or more opponents. {T}: Add {W} or {U}.

({T}: Add {W} or {B}.) This land enters tapped. When this land enters, surveil 1. (Look at the top card of your library. You may put it into your graveyard.)

({T}: Add {B}.)

{T}: Add {C}. {T}: Add {W} or {B}. Activate only if you control a Swamp.

{T}: Add {C}. {T}: Add {U} or {B}. Activate only if you control a Swamp.

{T}: Add {B}. Channel — {3}{B}, Discard this card: Mill three cards, then return a creature or planeswalker card from your graveyard to your hand. This ability costs {1} less to activate for each legendary creature you control.

({T}: Add {U} or {B}.) This land enters tapped. When this land enters, surveil 1. (Look at the top card of your library. You may put it into your graveyard.)

{T}: Add {C}. {T}: Add {U} or {B}. This land deals 1 damage to you.

Each land is a Swamp in addition to its other land types.

Hexproof This land enters tapped. As it enters, choose a color. {T}: Add one mana of the chosen color.

This land enters tapped unless you have two or more opponents. {T}: Add {W} or {B}.

Deathtouch, lifelink Barrowgoyf's power is equal to the number of card types among cards in all graveyards and its toughness is equal to that number plus 1. Whenever this creature deals combat damage to a player, you may mill that many cards. If you do, you may put a creature card from among them into your hand.

At the beginning of each end step, if an opponent lost 2 or more life this turn, you may put a quest counter on this enchantment. (Damage causes loss of life.) Whenever a card is put into an opponent's graveyard from anywhere, if this enchantment has three or more quest counters on it, you may have that player lose 2 life. If you do, you gain 2 life.

If an opponent would mill one or more cards, they mill twice that many cards instead. (To mill a card, a player puts the top card of their library into their graveyard.)

Surveil 1. (Look at the top card of your library. You may put it into your graveyard.) Draw a card.

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.

Whenever an opponent casts a spell, that player mills two cards.

Whenever a permanent becomes untapped, that permanent's controller mills a card.

Impending 5—{1}{B} (If you cast this spell for its impending cost, it enters with five time counters and isn't a creature until the last is removed. At the beginning of your end step, remove a time counter from it.) Whenever this permanent enters or attacks, mill four cards, then you may return a non-Avatar creature card or a planeswalker card from your graveyard to your hand.

At the beginning of your first main phase, mill three cards. Then you may pay {1} and 3 life. If you do, put a card from among those cards into your hand.

Landfall — Whenever a land you control enters, each opponent mills three cards. (To mill a card, a player puts the top card of their library into their graveyard.)

Eerie — Whenever an enchantment you control enters and whenever you fully unlock a Room, target player mills two cards. (They put the top two cards of their library into their graveyard.)

Flying Eerie — Whenever an enchantment you control enters and whenever you fully unlock a Room, surveil 1. (Look at the top card of your library. You may put it into your graveyard.)

When this creature enters or dies, mill three cards. (Put the top three cards of your library into your graveyard.)

Each opponent exiles cards from the top of their library until that player has exiled cards with total mana value 20 or more.

Descend 8 — The Ancient One can't attack or block unless there are eight or more permanent cards in your graveyard. {2}{U}{B}: Draw a card, then discard a card. When you discard a card this way, target player mills cards equal to its mana value.