Dovescape

({W/U} can be paid with either {W} or {U}.) Whenever a player plays a noncreature spell, counter that spell. That player puts X 1/1 white and blue Bird creature tokens with flying into play, where X is the spell's converted mana cost.

Boseiju, Who Shelters All

Boseiju, Who Shelters All comes into play tapped. {T}, Pay 2 life: Add {1} to your mana pool. If that mana is spent on an instant or sorcery spell, that spell can't be countered by spells or abilities.

Stony Silence

Activated abilities of artifacts can't be activated.

Silence

Your opponents can't cast spells this turn. (Spells cast before this resolves are unaffected.)

Phyrexian Unlife

You don't lose the game for having 0 or less life. As long as your life total is 0 or less, sources that deal damage to you have infect.

Simian Spirit Guide

Remove Simian Spirit Guide in your hand from the game: Add {R} to your mana pool.

Ghostly Prison

Creatures can't attack you unless their controller pays {2} for each creature he or she controls that's attacking you. (This cost is paid as attackers are declared.)

Suppression Field

Activated abilities cost {2} more to play unless they're mana abilities.

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.

Sphere of Safety

Creatures can't attack you or a planeswalker you control unless their controller pays {X} for each of those creatures, where X is the number of enchantments you control.

Enduring Ideal

Search your library for an enchantment card and put it into play. Then shuffle your library. Epic (For the rest of the game, you can't play spells. At the beginning of each of your upkeeps, copy this spell except for its epic ability.)

Form of the Dragon

At the beginning of your upkeep, Form of the Dragon deals 5 damage to target creature or player. At the end of each turn, your life total becomes 5. Creatures without flying can't attack you.

Greater Auramancy

Other enchantments you control have shroud. Enchanted creatures you control have shroud.

Mistveil Plains

({T}: Add {W} to your mana pool.) Mistveil Plains comes into play tapped. {W}, {T}: Put target card in your graveyard on the bottom of your library. Play this ability only if you control two or more white permanents.

Runed Halo

As Runed Halo comes into play, name a card. You have protection from the chosen name. (You can't be targeted, dealt damage, or enchanted by anything with that name.)

Ensnaring Bridge

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

Story Circle

As Story Circle comes into play, choose a color. {W}: The next time a source of your choice of the chosen color would deal damage to you this turn, prevent that damage.

Blood Moon

All non-basic lands are now basic mountains.

Nykthos, Shrine to Nyx

{T}: Add {1} to your mana pool. {2}, {T}: Choose a color. Add to your mana pool an amount of mana of that color equal to your devotion to that color. (Your devotion to a color is the number of mana symbols of that color in the mana costs of permanents you control.)

Lotus Bloom

Suspend 3—{0} (Rather than play this card from your hand, pay {0} and remove it from the game with three time counters on it. At the beginning of your upkeep, remove a time counter. When the last is removed, play it without paying its mana cost.) {T}, Sacrifice Lotus Bloom: Add three mana of any one color to your mana pool.

Defense Grid

During each player's turn, spells played by another player cost an additional {3}.

Oblivion Ring

When Oblivion Ring enters the battlefield, exile another target nonland permanent. When Oblivion Ring leaves the battlefield, return the exiled card to the battlefield under its owner's control.

Sacred Foundry

Rugged Prairie

Overwhelming Splendor

Leyline of Sanctity

If Leyline of Sanctity is in your opening hand, you may begin the game with it on the battlefield. You have hexproof. (You can't be the target of spells or abilities your opponents control.)

Temple of Triumph

Temple of Triumph enters the battlefield tapped. When Temple of Triumph enters the battlefield, scry 1. {T}: Add {R} or {W}.

Idyllic Tutor

Search your library for an enchantment card, reveal it, put it into your hand, then shuffle your library.