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.

Tidespout Tyrant

Flying Whenever you play a spell, return target permanent to its owner's hand.

Daze

You may return an island you control to its owner's hand instead of paying Daze's mana cost. Counter target spell unless its controller pays {1}.

Chancellor of the Annex

You may reveal this card from your opening hand. If you do, when each opponent casts his or her first spell of the game, counter that spell unless that player pays {1}. Flying Whenever an opponent casts a spell, counter it unless that player pays {1}.

Elesh Norn, Grand Cenobite

Vigilance Other creatures you control get +2/+2. Creatures your opponents control get -2/-2.

Careful Study

Draw two cards, then discard two cards from your hand.

Ponder

Entomb

Search your library for a card and put that card into your graveyard. Then shuffle your library.

Griselbrand

Flying, lifelink Pay 7 life: Draw seven cards.

Lotus Petal

Sacrifice Lotus Petal: Add one mana of any color to your mana pool. Play this ability as a mana source.

Reanimate

Put target creature card from any graveyard into play under your control. Lose life equal to that creature's total casting cost.

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.

Bayou

Counts as both swamp and forest and is affected by spells that affect either. Tap to add either {B} or {G} to your mana pool.

Underground Sea

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

Tropical Island

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

Exhume

Each player chooses a creature card in his or her graveyard and puts that creature into play.

Iona, Shield of Emeria

Flying As Iona, Shield of Emeria enters the battlefield, choose a color. Your opponents can't cast spells of the chosen color.

Polluted Delta

Verdant Catacombs

Brainstorm

Collective Brutality

Island

({T}: Add {U}.)

Swamp

({T}: Add {B}.)