Merchant Scroll

Search your library for a blue instant or interrupt. Reveal that card to all players and put it into your hand. Reshuffle your library afterwards.

Accumulated Knowledge

Draw a card, then draw cards equal to the number of cards named Accumulated Knowledge in all graveyards.

Brain Freeze

Target player puts the top three cards of his or her library into his or her graveyard. Storm (When you play this spell, copy it for each spell played before it this turn. You may choose new targets for the copies.)

Mind's Desire

Shuffle your library. Then remove the top card of your library from the game. Until end of turn, you may play it as though it were in your hand without paying its mana cost. (If it has X in its mana cost, X is 0.) Storm (When you play this spell, copy it for each spell played before it this turn.)

Intuition

Search your library for any three cards and reveal them to target opponent. He or she chooses one. Put that card into your hand and the rest into your graveyard. Shuffle your library afterwards.

Tainted Isle

{T}: Add one colorless mana to your mana pool. {T}: Add {U} or {B} to your mana pool. Play this ability only if you control a swamp.

Bubbling Muck

Until end of turn, whenever a player taps a swamp for mana, it produces an additional {B}.

Frantic Search

Draw two cards, then choose and discard two cards. Untap up to three lands.

Turnabout

Tap or untap all artifacts, creatures, or lands target player controls.

Vampiric Tutor

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

Polluted Delta

Stroke of Genius

Island

({T}: Add {U}.)