Mashup: the Gathering Workbench: Virtual Booster

Icy Proctor    R  Creature – Crab Cleric Adrift (At the beginning of your upkeep, simultaneously exile all adrift creatures you control on the battlefield, and return all exiled adrift creatures you own to the battlefield. They gain haste.) All other blue creatures you control gain +1/+1. When Icy Proctor enters the battlefield, put two 1/1 blue crab tokens into play. 3/3	Volrath's Whim    U  Sorcery When you cast Volrath's Whim, any player may pay 5 life. If a player does, counter Volrath's Whim. Target player puts a card from their hand on top of their library. Then, look at the top four cards of that player's library and exile three of them.	Queen Riftwurm    U  Creature – Fairy Wurm Vanishing 5 When Queen Riftwurm enters the battlefield, remove a time counter from it for every used to pay its cost. 6/5	Chrysalis Carapace    U  Enchantment – Aura Enchant Creature , Tap untapped enchanted creature: Put a +1/+1 counter on enchanted creature. , Untap tapped enchanted creature: Enchanted creature gains flying.	Book Slide    C  Instant When you cast Book Slide, X cannot be more than the number of attacking and blocking creatures on the battlefield. Draw X cards. Each day, the Librarians of Lat-Nam fight against the growing tide of books. The books are winning.
Explosive Shoots    C  Sorcery As an additional cost to cast Explosive Shoots, sacrifice a land. Search through your library for a basic land, put it onto the battlefield, then shuffle your library. Each player gains 1 life for each basic land type they control, then Explosive Shoots deals 3 damage to each player.	Harmonic Vale    C  Enchantment As Harmonic Vale enters the battlefield, choose a color. Whenever a player casts a spell of the chosen color, you may pay . If you do, you gain 2 life.	Plume Serpent    C  Creature – Serpent When Plume Serpent enters the battlefield, you may search your library for an Island card and put it onto the battlefield tapped under target player's control. If you do, shuffle your library. Plume Serpent can't attack unless defending player controls an Island. 6/5	Cho-Arrim Augury    C  Instant If an opponent controls a Swamp, and you control a Plains, you may cast Cho-Arrim Augury without paying its mana cost. Draw a card, then put a card from your hand on top of your library. Then look at the top four cards of your library and put them back in any order.	Walking Nightmuse    C  Creature – Spirit Creatures can't block Walking Nightmuse unless their controller discards a card for each creature he or she controls that's blocking Walking Nightmuse. 4/2
Curious Drake    C  Creature – Drake Flying Whenever Curious Drake deals damage to an opponent, you may draw a card. No bird soars too far, if he soars to find his desire. 2/2	Prismatic Surge    C  Instant As an additional cost to casting Prismatic Surge, discard a card. Target creature gets +X/+0 where X is equal to the discarded card's converted mana cost, and has protection from the colors of the discarded card.	Corona of Power    C  Snow Snow Snow Enchantment – Aura Enchant green creature. Enchanted creature gains ": Deal damage to target player equal to this creature's power. I call on forest's strength – on every thorn on every bramble – for their mass to break our enemies. -from The Fire within All	Mishra's Rite    C  Instant Tap two target lands, then add to your mana pool. Draw a card.	Forest    B  Basic Land – Forest

Icy Proctor (rare)
Volrath's Whim (uncommon)
Queen Riftwurm (uncommon)
Chrysalis Carapace (uncommon)
Book Slide (common)
Explosive Shoots (common)
Harmonic Vale (common)
Plume Serpent (common)
Cho-Arrim Augury (common)
Walking Nightmuse (common)
Curious Drake (common)
Prismatic Surge (common)
Corona of Power (common)
Mishra's Rite (common)
Forest (basic)