Devastation Tide

Return all nonland permanents to their owners' hands. Miracle {1}{U} (You may cast this card for its miracle cost when you draw it if it's the first card you drew this turn.)

Sanity Grinding

Chroma — Reveal the top ten cards of your library. For each blue mana symbol in the mana costs of the revealed cards, target opponent puts the top card of his or her library into his or her graveyard. Then put the cards you revealed this way on the bottom of your library in any order.

Thought Scour

Target player puts the top two cards of his or her library into his or her graveyard. Draw a card.

Shelldock Isle

Hideaway (This land comes into play tapped. When it does, look at the top four cards of your library, remove one from the game face down, then put the rest on the bottom of your library.) {T}: Add {U} to your mana pool. {U}, {T}: You may play the removed card without paying its mana cost if a library has twenty or fewer cards in it.

Visions of Beyond

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

Logic Knot

Delve (You may exile any number of cards from your graveyard as you cast this spell. It costs {1} less to cast for each card exiled this way.) Counter target spell unless its controller pays {X}.

Cryptic Command

Archive Trap

If an opponent searched his or her library this turn, you may pay {0} rather than pay Archive Trap's mana cost. Target opponent puts the top thirteen cards of his or her library into his or her graveyard.

Hedron Crab

Landfall — Whenever a land enters the battlefield under your control, target player puts the top three cards of his or her library into his or her graveyard.

Trapmaker's Snare

Search your library for a Trap card, reveal it, and put it into your hand. Then shuffle your library.

Ravenous Trap

If an opponent had three or more cards put into his or her graveyard from anywhere this turn, you may pay {0} rather than pay Ravenous Trap's mana cost. Exile all cards from target player's graveyard.

Ipnu Rivulet

Field of Ruin

{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 their library.