Mashup: the Gathering Workbench: Virtual Booster

Drain the Humours    R  Enchantment – Aura Enchant Creature Enchanted creature gets +3/+3 and gains Intimidate. At the beginning of the second main step, if the enchanted creature attacked this turn, for each land the opponent controls, that player adds a mana to his or her mana pool that that land could produce, then puts all mana from that player's mana pool into yours.	Den Wrecker    U  Creature – Wurm At the beginning of your upkeep, you may return a Wurm from your graveyard to your hand. 5/4	Graveburst    U  Sorcery Return a creature from your graveyard to the battlefield, then tap it unless you control a Mountain. That creature gains haste until end of turn, and is a black Zombie in addition to its other types.	Villainous Heart    U  Creature – Demon When Villainous Heart enters the battlefield, sacrifice an Ogre, or sacrifice Villainous Heart. When Villainous Heart attacks, all Ogres and Demons get +2/+2 until end of turn. : Regenerate Villainous Heart. 3/2	Unholy Pact    C  Enchantment – Aura Enchant Creature Enchanted creature gets +2/+1. When enchanted creature dies, return that card to the battlefield under your control. "You know how it is. Everyday it's 'trade my soul this', and 'give me more power that'. Of course I don't have more time to visit, Mum."
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.	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.	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.	Blessing Unbent    C  Instant As you cast this spell, you may untap two tapped white creatures. When you do, copy it and you may choose a new target for the copy. Target creature gains +2/+2 until end of turn.	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
Krimson Kount    C  Creature – Kobold Noble Whenever you cast a Kobold, put a Destiny counter on Krimson Kount. Remove a Destiny counter from Krimson Kount: Krimson Kount becomes a 3/4 Kobold Warrior Spirit until end of turn. 0/1	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	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	Steaming Sink Pits    C  Enchantment – Aura Enchant Land Enchanted Land is a Swamp and Mountain. Whenever enchanted land becomes tapped, that land deals two damage to its controller.	Forest    B  Basic Land – Forest

Drain the Humours (rare)
Den Wrecker (uncommon)
Graveburst (uncommon)
Villainous Heart (uncommon)
Unholy Pact (common)
Harmonic Vale (common)
Prismatic Surge (common)
Book Slide (common)
Blessing Unbent (common)
Plume Serpent (common)
Krimson Kount (common)
Corona of Power (common)
Curious Drake (common)
Steaming Sink Pits (common)
Forest (basic)