Blue Black Mill

If an opponent searched their library this turn, you may pay {0} rather than pay this spell's mana cost.

Target opponent mills thirteen cards.

Escalate—Discard a card. (Pay this cost for each mode chosen beyond the first.)

Choose one or more —

• Target opponent reveals their hand. You choose an instant or sorcery card from it. That player discards that card.

• Target creature gets -2/-2 until end of turn.

• Target opponent loses 2 life and you gain 2 life.

Exile all creature cards from target player's graveyard. You gain 3 life for each card exiled this way.

Darkslick Shores enters the battlefield tapped unless you control two or fewer other lands.

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

Creatures with power greater than the number of cards in your hand can't attack.

Destroy target creature if it has mana value 2 or less.

Revolt — Destroy that creature if it has mana value 4 or less instead if a permanent you controlled left the battlefield this turn.

{T}: Add {C}.

{2}, {T}, Sacrifice Field of Ruin: Destroy target nonbasic land an opponent controls. Each player searches their library for a basic land card, puts it onto the battlefield, then shuffles.

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

Target player mills ten cards.

Landfall — Whenever a land enters the battlefield under your control, target player mills three cards.

Target player reveals their hand. You choose a nonland card from it with mana value 3 or less. That player discards that card.

({T}: Add {U}.)

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

Surveil 2, then choose an instant or sorcery card in your graveyard. You may cast it this turn. If that spell would be put into your graveyard, exile it instead. (To 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.)

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

Destroy target creature.

{T}: Add {U}.

{1}: Return Oboro, Palace in the Clouds to its owner's hand.

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

At the beginning of your upkeep, surveil 1. Then if you have seven or more cards in your graveyard, you may transform Search for Azcanta. (Look at the top card of your library. You may put that card into your graveyard.)

Hideaway 4 (When this land enters the battlefield, look at the top four cards of your library, exile one face down, then put the rest on the bottom in a random order.)

Shelldock Isle enters the battlefield tapped.

{T}: Add {U}.

{U}, {T}: You may play the exiled card without paying its mana cost if a library has twenty or fewer cards in it.

({B/P} can be paid with either {B} or 2 life.)

Choose target card in a graveyard other than a basic land card. Search its owner's graveyard, hand, and library for any number of cards with the same name as that card and exile them. Then that player shuffles.

({T}: Add {B}.)

Target player reveals their hand. You choose a nonland card from it. That player discards that card. You lose 2 life.

Draw a card. If a graveyard has twenty or more cards in it, draw three cards instead.

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

As Watery Grave enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped.