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.

City of Traitors

If you play any land, sacrifice City of Traitors. {T}: Add two colorless mana to your mana pool.

Trinisphere

As long as Trinisphere is untapped, each spell that would cost less than three mana to cast costs three mana to cast. (Additional mana in the cost may be paid with any color of mana or colorless mana. For example, a spell that would cost {1}{B} to cast costs {2}{B} to cast instead.)

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.

Chalice of the Void

Chalice of the Void enters the battlefield with X charge counters on it. Whenever a player casts a spell with converted mana cost equal to the number of charge counters on Chalice of the Void, counter that spell.

Seat of the Synod

(Seat of the Synod isn't a spell.) {T}: Add {U} to your mana pool.

Sea Drake

Flying When Sea Drake comes into play from your hand, return any two of your lands from play to your hand.

Thirst for Knowledge

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

Umezawa's Jitte

Whenever equipped creature deals combat damage, put two charge counters on Umezawa's Jitte. Remove a charge counter from Umezawa's Jitte: Choose one — Equipped creature gets +2/+2 until end of turn; or target creature gets -1/-1 until end of turn; or you gain 2 life. Equip {2}

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.

Sword of Fire and Ice

Equipped creature gets +2/+2 and has protection from red and from blue. Whenever equipped creature deals combat damage to a player, Sword of Fire and Ice deals 2 damage to target creature or player and you draw a card.

Trinket Mage

When Trinket Mage enters the battlefield, you may search your library for an artifact card with converted mana cost 1 or less, reveal that card, and put it into your hand. If you do, shuffle your library.

Serendib Efreet

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

Cursed Scroll

{3}, {T}: Name a card, target opponent chooses a card at random from your hand. If he or she chooses the named card, Cursed Scroll deals 2 damage to target creature or player.

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.

Tormod's Crypt

{T}, Sacrifice Tormod's Crypt: Remove target player's graveyard from the game.

Psionic Blast

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

Juggernaut

Must attack each turn if possible. Can't be blocked by walls.

Blue Elemental Blast

Counters target red spell being cast or destroys a red card in play.

Cloud of Faeries

Flying When Cloud of Faeries comes into play, untap up to two lands. Cycling {2} (You may pay {2} and discard this card from your hand to draw a card . Play this ability as an instant.)

Flooded Strand

Polluted Delta

Ancient Tomb

Island

({T}: Add {U}.)