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.

Temporal Mastery

Take an extra turn after this one. Exile Temporal Mastery. Miracle {1}{U} (You may cast this card for its miracle cost when you draw it if it's the first card you drew this turn.)

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.)

Stratus Dancer

Flying Megamorph {1}{U} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its megamorph cost and put a +1/+1 counter on it.) When Stratus Dancer is turned face up, counter target instant or sorcery spell.

Frost Walker

When Frost Walker becomes the target of a spell or ability, sacrifice it.

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.

Tolaria West

Tolaria West comes into play tapped. {T}: Add {U} to your mana pool. Transmute {1}{U}{U} ({1}{U}{U}, Discard this card: Search your library for a card with converted mana cost 0, reveal it, and put it into your hand. Then shuffle your library. Play only as a sorcery.)

Vedalken Aethermage

Flash (You may play this spell any time you could play an instant.) When Vedalken Aethermage comes into play, return target Sliver to its owner's hand. Wizardcycling {3} ({3}, Discard this card: Search your library for a Wizard card, reveal it, and put it into your hand. Then shuffle your 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.

Nightveil Specter

Flying Whenever Nightveil Specter deals combat damage to a player, that player exiles the top card of his or her library. You may play cards exiled with Nightveil Specter.

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.)

Condescend

Counter target spell unless its controller pays {X}. Scry 2 (To scry 2, look at the top two cards of your library, then put any number of them on the bottom of your library and the rest on top in any order.)

Dig Through Time

Delve (Each card you exile from your graveyard while casting this spell pays for {1}.) Look at the top seven cards of your library. Put two of them into your hand and the rest on the bottom of your library in any order.

Treasure Cruise

Delve (Each card you exile from your graveyard while casting this spell pays for {1}.) Draw three cards.

Mana Drain

Counters target spell. At the beginning of your next main phase, add {X} to your mana pool, where X is the casting cost of target spell.

Sower of Temptation

Flying When Sower of Temptation comes into play, gain control of target creature as long as Sower of Temptation remains in play.

Chasm Skulker

Whenever you draw a card, put a +1/+1 counter on Chasm Skulker. When Chasm Skulker dies, put X 1/1 blue Squid creature tokens with islandwalk onto the battlefield, where X is the number of +1/+1 counters on Chasm Skulker. (They can't be blocked as long as defending player controls an Island.)

Kira, Great Glass-Spinner

Flying Creatures you control have "Whenever this creature becomes the target of a spell or ability for the first time in a turn, counter that spell or ability."

Pestermite

Flash Flying When Pestermite enters the battlefield, you may tap or untap target permanent.

Spell Snare

Counter target spell with converted mana cost 2.

Vedalken Shackles

You may choose not to untap Vedalken Shackles during your untap step. {2}, {T}: Gain control of target creature with power less than or equal to the number of Islands you control for as long as Vedalken Shackles remains tapped.

Aether Vial

At the beginning of your upkeep, you may put a charge counter on ?ther Vial. {T}: You may put a creature card with converted mana cost equal to the number of charge counters on ?ther Vial from your hand onto the battlefield.

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.

Sword of War and Peace

Equipped creature gets +2/+2 and has protection from red and from white. Whenever equipped creature deals combat damage to a player, Sword of War and Peace deals damage to that player equal to the number of cards in his or her hand and you gain 1 life for each card in your hand. Equip {2}

Riptide Laboratory

{T}: Add {1} to your mana pool. {1}{U}, {T}: Return target Wizard you control to its owner's hand.

Bonesplitter

Equipped creature gets +2/+0. Equip {1} ({1}: Attach to target creature you control. Equip only as a sorcery. This card comes into play unattached and stays in play if the creature leaves play.)

Ponder

Thirst for Knowledge

Draw three cards. Then discard two cards unless you discard an artifact card.

Cryptic Command

Spellstutter Sprite

Flash Flying When Spellstutter Sprite enters the battlefield, counter target spell with converted mana cost X or less, where X is the number of Faeries you control.

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.

Karakas

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

Withdraw

Return target creature to its owner's hand. Then return another target creature to its owners hand unless its controller pays {1}.

Remand

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

Shadow of Doubt

({U/B} can be paid with either {U} or {B}.) Players can't search libraries this turn. Draw a card.

Frostburn Weird

{U/R}: Frostburn Weird gets +1/-1 until end of turn.

Jace, Architect of Thought

+1: Until your next turn, whenever a creature an opponent controls attacks, it gets -1/-0 until end of turn. -2: Reveal the top three cards of your library. An opponent separates those cards into two piles. Put one pile into your hand and the other on the bottom of your library in any order. -8: For each player, search that player's library for a nonland card and exile it, then that player shuffles his or her library. You may cast those cards without paying their mana costs.

Coralhelm Commander

Level up {1} ({1}: Put a level counter on this. Level up only as a sorcery.) LEVEL 2-3 3/3 Flying LEVEL 4+ 4/4 Flying Other Merfolk creatures you control get +1/+1.

Force Spike

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

Sygg, River Cutthroat

At end of turn, if an opponent lost 3 or more life this turn, you may draw a card. (Damage causes loss of life.)

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.

Mana Leak

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

Serendib Efreet

Flying Serendib Efreet does 1 damage to you during your upkeep.

Chill

All red spells cost an additional {2} to cast.

Master of Waves

Protection from red Elemental creatures you control get +1/+1. When Master of Waves enters the battlefield, put a number of 1/0 blue Elemental creature tokens onto the battlefield equal to your devotion to blue. (Each {U} in the mana costs of permanents you control counts toward your devotion to blue.)

Thassa, God of the Sea

Indestructible As long as your devotion to blue is less than five, Thassa isn't a creature. (Each {U} in the mana costs of permanents you control counts toward your devotion to blue.) At the beginning of your upkeep, scry 1. {1}{U}: Target creature you control can't be blocked this turn.

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.

Looter il-Kor

Shadow (This creature can block or be blocked by only creatures with shadow.) Whenever Looter il-Kor deals damage to an opponent, draw a card, then discard a card.

Mystical Teachings

Search your library for an instant card or a card with flash, reveal it, and put it into your hand. Then shuffle your library. Flashback {5}{B} (You may play this card from your graveyard for its flashback cost. Then remove it from the game.)

Counterspell

Counters target spell as it is being cast.

Psionic Blast

Psionic Blast does 4 damage to any target, but it does 2 damage to you as well.

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.

Demonic Tutor

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

Back to Basics

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

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.

Into the Roil

Kicker {1}{U} (You may pay an additional {1}{U} as you cast this spell.) Return target nonland permanent to its owner's hand. If Into the Roil was kicked, draw a card.

Bloodstained Mire

Flooded Strand

Misty Rainforest

Polluted Delta

Scalding Tarn

Watery Grave

Sunken Hollow

Brainstorm

Fact or Fiction

Mystic Confluence

Preordain

Dimensional Infiltrator

Wasteland

Rattlechains

Mausoleum Wanderer

Spell Pierce

U

Island

({T}: Add {U}.)