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.

Toxic Deluge

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

Laboratory Maniac

If you would draw a card while your library has no cards in it, you win the game instead.

Gush

You may return two islands you control to their owner's hand instead of paying Gush's mana cost. Draw two cards.

Misdirection

You may remove a blue card in your hand from the game instead of paying Misdirection's mana cost. Target spell with a single target targets another target instead.

Engineered Explosives

Sunburst (This enters the battlefield with a charge counter on it for each color of mana spent to cast it.) {2}, Sacrifice Engineered Explosives: Destroy each nonland permanent with converted mana cost equal to the number of charge counters on Engineered Explosives.

Massacre

If an opponent controls a plains and you control a swamp, you may play Massacre without paying its mana cost. All creatures get -2/-2 until end of turn.

Mental Misstep

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

Chain of Vapor

Return target nonland permanent to its owner's hand. Then that permanent's controller may sacrifice a land. If the player does, he or she may copy this spell and may choose a new target for that copy.

Gitaxian Probe

({U/P} can be paid with either {U} or 2 life.) Look at target player's hand. Draw 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.)

Tendrils of Agony

Target player loses 2 life and you gain 2 life. Storm (When you play this spell, copy it for each spell played before it this turn. You may choose new targets for the copies.)

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.

Lotus Petal

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

Hurkyl's Recall

Return all artifacts target player owns to his or her hand.

Mox Sapphire

Add 1 blue mana to your mana pool. Tapping this artifact can be played as an interrupt.

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.

Mox Jet

Add 1 black mana to your mana pool. Tapping this artifact can be played as an interrupt.

Ancestral Recall

Draw 3 cards or force opponent to draw 3 cards.

Black Lotus

Adds 3 mana of any single color of your choice to your mana pool, then is discarded. Tapping this artifact 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.

Defense Grid

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

Yawgmoth's Will

Until end of turn, you may play cards in your graveyard as though they were in your hand. Cards put into your graveyard this turn are removed from the game instead.

Dark Ritual

Add {B}{B}{B} to your mana pool.

Vampiric Tutor

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

Doomsday

Pay half your life, rounded up: Put your graveyard on top of your library, then remove all but five cards of your library from the game. Put the rest on top of your library in any order.

Polluted Delta

Scalding Tarn

Brainstorm

Echoing Truth

Preordain

Strip Mine

Wasteland

Duress

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

Island

({T}: Add {U}.)

Swamp

({T}: Add {B}.)