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.

Courser of Kruphix

Play with the top card of your library revealed. You may play the top card of your library if it's a land card. Whenever a land enters the battlefield under your control, you gain 1 life.

Toxic Deluge

As an additional cost to cast Toxic Deluge, pay X life. All creatures get -X/-X until end of turn.

True-Name Nemesis

As True-Name Nemesis enters the battlefield, choose a player. True-Name Nemesis has protection from the chosen player. (This creature can't be blocked, targeted, dealt damage, or enchanted by anything controlled by that player.)

Titania, Protector of Argoth

When Titania, Protector of Argoth enters the battlefield, return target land card from your graveyard to the battlefield. Whenever a land you control is put into a graveyard from the battlefield, put a 5/3 green Elemental creature token onto the battlefield.

Tasigur, the Golden Fang

Delve (Each card you exile from your graveyard while casting this spell pays for {1}.) {2}{G/U}{G/U}: Put the top two cards of your library into your graveyard, then return a nonland card of an opponent's choice from your graveyard to your hand.

Hymn to Tourach

Target player discards two cards at random.

Dryad Arbor

(Dryad Arbor isn't a spell, it's affected by summoning sickness, and it has "{T}: Add {G} to your mana pool.") Dryad Arbor is green.

River of Tears

{T}: Add {U} to your mana pool. If you played a land this turn, add {B} to your mana pool instead.

Fyndhorn Elves

{T}: Add {G} to your mana pool. Play this ability as an interrupt.

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.)

Hinterland Harbor

Hinterland Harbor enters the battlefield tapped unless you control a Forest or an Island. {T}: Add {G} or {U} to your mana pool.

Woodland Cemetery

Woodland Cemetery enters the battlefield tapped unless you control a Swamp or a Forest. {T}: Add {B} or {G} to your mana pool.

Murderous Cut

Delve (Each card you exile from your graveyard while casting this spell pays for {1}.) Destroy target creature.

Scavenging Ooze

{G}: Exile target card from a graveyard. If it was a creature card, put a +1/+1 counter on Scavenging Ooze and you gain 1 life.

Ulcerate

Target creature gets -3/-3 until end of turn. You lose 3 life.

Rishadan Port

{T}: Add one colorless mana to your mana pool. {1}, {T}: Tap target land.

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}.

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}.

Mental Misstep

({U/P} can be paid with either {U} or 2 life.) Counter target spell with converted mana cost 1.

Tainted Pact

Remove the top card of your library from the game. You may put that card into your hand unless it has the same name as another card removed this way. Repeat this process until you put a card into your hand or you remove two cards with the same name, whichever comes first.

Evasive Action

Domain — Counter target spell unless its controller pays {1} for each basic land type among lands you control.

Baleful Strix

Flying, deathtouch When Baleful Strix enters the battlefield, draw a card.

Chrome Mox

Imprint — When Chrome Mox enters the battlefield, you may exile a nonartifact, nonland card from your hand. {T}: Add one mana of any of the exiled card's colors to your mana pool.

Maelstrom Pulse

Destroy target nonland permanent and all other permanents with the same name as that permanent.

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.

Dismember

({B/P} can be paid with either {B} or 2 life.) Target creature gets -5/-5 until end of turn.

Primeval Titan

Trample Whenever Primeval Titan enters the battlefield or attacks, you may search your library for up to two land cards, put them onto the battlefield tapped, then shuffle your library.

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.)

Elvish Mystic

{T}: Add {G} to your mana pool.

Remand

Counter target spell. If you do, return that spell card to its owner's hand. Draw a card.

Dark Confidant

At the beginning of your upkeep, reveal the top card of your library and put that card into your hand. You lose life equal to its converted mana cost.

Sylvan Library

You may draw two extra cards during your draw phase. If you do so, put two of the cards drawn this turn back on top of your library (in any order) or pay 4 life per card not replaced. Effects that prevent or redirect damage cannot be used to counter this loss of life.

Abrupt Decay

Abrupt Decay can't be countered by spells or abilities. Destroy target nonland permanent with converted mana cost 3 or less.

Deathrite Shaman

{T}: Exile target land card from a graveyard. Add one mana of any color to your mana pool. {B}, {T}: Exile target instant or sorcery card from a graveyard. Each opponent loses 2 life. {G}, {T}: Exile target creature card from a graveyard. You gain 2 life.

Inquisition of Kozilek

Target player reveals his or her hand. You choose a nonland card from it with converted mana cost 3 or less. That player discards that card.

Darkslick Shores

Darkslick Shores enters the battlefield tapped unless you control two or fewer other lands. {T}: Add {U} or {B} to your mana pool.

Stifle

Counter target activated or triggered ability. (Mana abilities can't be countered.)

Force Spike

Counter target spell unless its caster pays an additional {1}.

Mystical Tutor

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

Memory Lapse

Counter target spell. Put it on top of its owner's library instead of into that player's graveyard.

Mox Diamond

When Mox Diamond comes into play, choose and discard a land card or sacrifice Mox Diamond. {T}: Add one mana of any color to your mana pool. Play this ability as a mana source.

Mana Leak

Counter target spell unless its caster pays an additional {3}.

Diabolic Edict

Target player sacrifices a creature.

Reflecting Pool

{T}: Add to your mana pool one mana of any type that any land you control can produce.

Llanowar Wastes

{T}: Add {1} to your mana pool. {T}: Add {B} or {G} to your mana pool. Llanowar Wastes deals 1 damage to you.

Underground River

{T}: Add {1} to your mana pool. {T}: Add {U} or {B} to your mana pool. Underground River deals 1 damage to you.

Yavimaya Coast

{T}: Add {1} to your mana pool. {T}: Add {G} or {U} to your mana pool. Yavimaya Coast deals 1 damage to you.

Elves of Deep Shadow

{T}: Add {B} to your mana pool, and Elves of Deep Shadow do 1 damage to you. This ability is played as an interrupt.

Hero's Downfall

Destroy target creature or planeswalker.

Thoughtseize

Target player reveals his or her hand. You choose a nonland card from it. That player discards that card. You lose 2 life.

Ancestral Vision

Ancestral Vision is blue. Suspend 4—{U} (Rather than play this card from your hand, pay {U} and remove it from the game with four 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.) Target player draws three cards.

Counterspell

Counters target spell as it is being cast.

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.

Birds of Paradise

Flying {T}: Add one mana of any color to your mana pool. This ability is played as an interrupt.

Timetwister

Set Timetwister aside in a new graveyard pile. Shuffle your hand, library, and graveyard together into a new library and draw a new hand of seven cards, leaving all cards in play where they are; opponent must do the same.

Llanowar Elves

Tap to add green mana to your mana pool. This tap can be played as an interrupt.

Demonic Tutor

You may search your library for one card and take it into your hand. Reshuffle your library afterwards.

Miscalculation

Counter target spell unless its caster pays an additional {2}. Cycling {2} (You may pay {2} and discard this card from your hand to draw a card. Play this ability as an instant.)

Vampiric Tutor

Pay 2 life: Search your library for any one card. Shuffle your library, then put that card on top of your library.

Creeping Tar Pit

Creeping Tar Pit enters the battlefield tapped. {T}: Add {U} or {B} to your mana pool. {1}{U}{B}: Until end of turn, Creeping Tar Pit becomes a 3/2 blue and black Elemental creature and is unblockable. It's still a land.

Lotus Cobra

Landfall — Whenever a land enters the battlefield under your control, you may add one mana of any color to your mana pool.

Bloodstained Mire

Flooded Strand

Marsh Flats

Misty Rainforest

Overgrown Tomb

Polluted Delta

Scalding Tarn

Verdant Catacombs

Watery Grave

Windswept Heath

Wooded Foothills

Painful Truths

Eternal Witness

Phyrexian Arena

Dust Bowl

Flooded Grove

Mana Confluence

Wasteland

Collective Brutality

Blooming Marsh

Botanical Sanctum

Fatal Push

Ramunap Excavator

Drowned Catacomb

Spell Pierce

U

Breeding Pool

({T}: Add {G} or {U}.) As Breeding Pool enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped.

Duress

Target opponent reveals their hand. You choose a noncreature, nonland card from it. That player discards that card.

Command Tower

{T}: Add one mana of any color in your commander's color identity.

Island

({T}: Add {U}.)

Swamp

({T}: Add {B}.)

Forest

({T}: Add {G}.)