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.)

Commandeer

You may remove two blue cards in your hand from the game rather than pay Commandeer's mana cost. Gain control of target noncreature spell. You may choose new targets for it. (If that spell is an artifact or enchantment, the permanent comes into play under your control.)

River of Tears

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

Gigadrowse

Replicate {U} (When you play this spell, copy it for each time you paid its replicate cost. You may choose new targets for the copies.) Tap target permanent.

Snow-Covered Island

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

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.)

Inkmoth Nexus

{T}: Add {1} to your mana pool. {1}: Inkmoth Nexus becomes a 1/1 Blinkmoth artifact creature with flying and infect until end of turn. It's still a land. (It deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)

Serum Visions

Draw a card. Scry 2 (Look at the top two cards of your library. Put any number of them on the bottom of your library and the rest on top of it in any order.)

Cryptic Command

Dictate of Kruphix

Flash At the beginning of each player's draw step, that player draws an additional card.

Mikokoro, Center of the Sea

{T}: Add {1} to your mana pool. {2}, {T}: Each player draws a card.

Time Warp

Target player takes another turn after this one.

Thoughtseize

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

Gemstone Caverns

If Gemstone Caverns is in your opening hand and you're not playing first, you may begin the game with Gemstone Caverns in play with a luck counter on it. If you do, remove a card in your hand from the game. {T}: Add {1} to your mana pool. If Gemstone Caverns has a luck counter on it, instead add one mana of any color to your mana pool.

Snapback

You may remove a blue card in your hand from the game rather than pay Snapback's mana cost. Return target creature to its owner's hand.

Howling Mine

Each player draws one extra card each turn during his or her draw phase.

Exhaustion

Creatures and lands target opponent controls do not untap during his or her next untap phase.

Flooded Strand

Misty Rainforest

Polluted Delta

Scalding Tarn

Watery Grave

Part the Waterveil

Sunken Hollow

Fatal Push

Censor

Fetid Pools

Drowned Catacomb

Island

({T}: Add {U}.)