Helm of Obedience

{X}, {T}: Put the top card of target opponent's library into his or her graveyard. Continue doing this until you have put X cards or a creature card into that graveyard, whichever occurs first. If the last card put into the graveyard is a creature card, bury Helm of Obedience and put that creature into play under your control as though it were just cast. X cannot be equal to 0.

Unexpectedly Absent

Put target nonland permanent into its owner's library just beneath the top X cards of that library.

Lantern of Insight

Each player plays with the top card of his or her library revealed. {T}, Sacrifice Lantern of Insight: Target player shuffles his or her library.

Nevermore

As Nevermore enters the battlefield, name a nonland card. The named card can't be cast.

Field of Dreams

The top card of each player's library is always face up.

Porphyry Nodes

At the beginning of your upkeep, destroy the creature with the least power. It can't be regenerated. If two or more creatures are tied for least power, you choose one of them. When there are no creatures in play, sacrifice Porphyry Nodes.

Karakas

{T}: Add {W} to your mana pool. {T}: Return target legendary creature to its owner's hand.

Codex Shredder

{T}: Target player puts the top card of his or her library into his or her graveyard. {5}, {T}, Sacrifice Codex Shredder: Return target card from your graveyard to your hand.

Rest in Peace

When Rest in Peace enters the battlefield, exile all cards from all graveyards. If a card or token would be put into a graveyard from anywhere, exile it instead.

Seachrome Coast

Seachrome Coast enters the battlefield tapped unless you control two or fewer other lands. {T}: Add {W} or {U} to your mana pool.

Enlightened Tutor

Search your library for an artifact or enchantment card and reveal that card. Shuffle your library, then put the card on top of it.

Ensnaring Bridge

Each creature with power greater than the number of cards in your hand cannot attack.

Pithing Needle

As Pithing Needle comes into play, name a card. Activated abilities of sources with the chosen name can't be played unless they're mana abilities.

Pyxis of Pandemonium

{T}: Each player exiles the top card of his or her library face down. {7}, {T}, Sacrifice Pyxis of Pandemonium: Each player turns face up all cards he or she owns exiled with Pyxis of Pandemonium, then puts all permanent cards among them onto the battlefield.

Tundra

Counts as both islands and plains and is affected by spells that affect either. Tap to add either {U} or {W} to your mana pool.

Swords to Plowshares

Target creature is removed from game entirely; return to owner's deck only when game is over. Creature's controller gains life points equal to creature's power.

Energy Field

Prevent all damage dealt to you from sources you do not control. When a card is put into your graveyard, sacrifice Energy Field.

Back to Basics

Nonbasic lands do not untap during their controllers' untap phases.

Flooded Strand

Marsh Flats

Misty Rainforest

Plains

({T}: Add {W}.)

Island

({T}: Add {U}.)