Force of Will

You may pay 1 life and remove a blue card in your hand from the game instead of paying Force of Will's casting cost. Effects that prevent or redirect damage cannot be used to counter this loss of life. Counter target spell.

Cavern of Souls

As Cavern of Souls enters the battlefield, choose a creature type. {T}: Add {1} to your mana pool. {T}: Add one mana of any color to your mana pool. Spend this mana only to cast a creature spell of the chosen type, and that spell can't be countered.

Counterbalance

Whenever an opponent plays a spell, you may reveal the top card of your library. If you do, counter that spell if it has the same converted mana cost as the revealed card.

Containment Priest

Flash If a nontoken creature would enter the battlefield and it wasn't cast, exile it instead.

Monastery Mentor

Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.) Whenever you cast a noncreature spell, put a 1/1 white Monk creature token with prowess onto the battlefield.

Terminus

Put all creatures on the bottom of their owners' libraries. Miracle {W} (You may cast this card for its miracle cost when you draw it if it's the first card you drew this turn.)

Sensei's Divining Top

{1}: Look at the top three cards of your library, then put them back in any order. {T}: Draw a card, then put Sensei's Divining Top on top of its owner's library.

Venser, Shaper Savant

Flash (You may play this spell any time you could play an instant.) When Venser, Shaper Savant comes into play, return target spell or permanent to its owner's hand.

Pyroblast

Counter target spell if it is blue or destroy target permanent if it is blue.

Snapcaster Mage

Flash When Snapcaster Mage enters the battlefield, target instant or sorcery card in your graveyard gains flashback until end of turn. The flashback cost is equal to its mana cost. (You may cast that card from your graveyard for its flashback cost. Then exile it.)

Sulfur Elemental

Flash (You may play this spell any time you could play an instant.) Split second (As long as this spell is on the stack, players can't play spells or activated abilities that aren't mana abilities.) White creatures get +1/-1.

Ponder

Vendilion Clique

Flash Flying When Vendilion Clique enters the battlefield, look at target player's hand. You may choose a nonland card from it. If you do, that player reveals the chosen card, puts it on the bottom of his or her library, then draws a card.

Flusterstorm

Counter target instant or sorcery spell unless its controller pays {1}. Storm (When you cast this spell, copy it for each spell cast before it this turn. You may choose new targets for the copies.)

Karakas

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

Izzet Staticaster

Flash (You may cast this spell any time you could cast an instant.) Haste {T}: Izzet Staticaster deals 1 damage to target creature and each other creature with the same name as that creature.

Ethersworn Canonist

Each player who has played a nonartifact spell this turn can't play additional nonartifact spells.

Relic of Progenitus

{T}: Target player removes a card in his or her graveyard from the game. {1}, Remove Relic of Progenitus from the game: Remove all graveyards from the game. Draw a card.

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.

Volcanic Island

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

Red Elemental Blast

Counters a blue spell being cast or destroys a blue card in play.

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.

Jace, the Mind Sculptor

+2: Look at the top card of target player's library. You may put that card on the bottom of that player's library. 0: Draw three cards, then put two cards from your hand on top of your library in any order. -1: Return target creature to its owner's hand. -12: Exile all cards from target player's library, then that player shuffles his or her hand into his or her library.

Flooded Strand

Scalding Tarn

Arid Mesa

Brainstorm

Plains

({T}: Add {W}.)

Island

({T}: Add {U}.)

Mountain

({T}: Add {R}.)