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.

Shattering Spree

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

Snow-Covered Island

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

Past in Flames

Each instant and sorcery card in your graveyard gains flashback until end of turn. The flashback cost is equal to its mana cost. Flashback {4}{R} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Pyretic Ritual

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

Gifts Ungiven

Search your library for up to four cards with different names and reveal them. Target opponent chooses two of those cards. Put the chosen cards into your graveyard and the rest into your hand. Then shuffle your library.

Desperate Ritual

Add {R}{R}{R} to your mana pool. Splice onto Arcane {1}{R} (As you cast an Arcane spell, you may reveal this card from your hand and pay its splice cost. If you do, add this card's effects to that spell.)

Noxious Revival

({G/P} can be paid with either {G} or 2 life.) Put target card from a graveyard on top of its owner's library.

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.)

Remand

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

Manamorphose

Add two mana in any combination of colors to your mana pool. Draw a card.

Sleight of Hand

Look at the top two cards of your library. Put one of them into your hand and the other on the bottom of your library.

Shivan Reef

{T}: Add {1} to your mana pool. {T}: Add {U} or {R} to your mana pool. Shivan Reef deals 1 damage to you.

Empty the Warrens

Put two 1/1 red Goblin creature tokens into play. Storm (When you play this spell, copy it for each spell played before it this turn.)

Grapeshot

Grapeshot deals 1 damage to target creature or player. Storm (When you play this spell, copy it for each spell played before it this turn. You may choose new targets for the copies.)

Wipe Away

Split second (As long as this spell is on the stack, players can't play spells or activated abilities that aren't mana abilities.) Return target permanent to its owner's hand.

Lightning Bolt

Lightning Bolt does 3 damage to one target.

Steam Vents

Echoing Truth

Goblin Electromancer

Pieces of the Puzzle

Unsubstantiate

Spirebluff Canal

Baral, Chief of Compliance

Opt

Scry 1. (Look at the top card of your library. You may put that card on the bottom of your library.) Draw a card.

Island

({T}: Add {U}.)

Mountain

({T}: Add {R}.)