Mashup: the Gathering Workbench: Virtual Booster

Castigating Specter    R  Creature – Specter When Castigating Specter enters the battlefield, return a white or a black creature you control to its owner's hand. When Castigating Specter enters the battlefield, or deals combat damage to an oppoenent, look at all and exile a card from all player's hands. 3/3	Niven's Battlestone    U  Artifact When Niven's Battlestone enters the battlefield, target red creature can and must be blocked by exactly two creatures this turn. : Add to your mana pool. , , Sacrifice Niven's Battlestone: Destroy all non-land permanents with a converted mana cost of three or less.	Crypt Nematode    U  Creature – Worm Beast When Crypt Nematode enters the battlefield, target player loses 1 life. When Crypt Nematode goes to the graveyard from the battlefield, target player loses 2 life. , Exile Crypt Nematode from your graveyard: Target player loses 3 life. 1/4	Necromancer's Echo    U  Creature – Skeleton Wizard Morph (You may cast this face down as a 2/2 creature for . Turn it face up any time for its morph cost.) When you turn Necromancer's Echo face up, return a creature from your graveyard to your hand. : Return Necromancer's Echo from your graveyard to the battlefield tapped and face down. 1/1	Cursed Blade    C  Artifact – Equipment : Attach Cursed Blade to target creature. Equipped creature gets +1/+1. , Sacrifice Cursed Blade: Destroy the last creature Cursed Blade was equipped to.
Friend Ward    C  Enchantment – Aura Enchant creature Enchanted creature gains protection from its colors. This effect does not remove Friend Ward. "When you wield authority, there is no greater threat to yourself, than yourself." -The Lord of Atlantis	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	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.	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.	Steadfast Assault    C  Sorcery Deal 1 damage to all creatures your opponents control. Creatures you control get +0/+3 until end of turn. Ha! Conviction? Your 'noble spirit' might win wars, but first you'll need to keep your flesh intact.
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.	Wicked Witch Engine    C  Artifact Creature – Elemental Horror : Target player dealt damage by Wicked Witch Engine this turn loses 1 life. 2/2	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.	Mishra's Rite    C  Instant Tap two target lands, then add to your mana pool. Draw a card.	Swamp    B  Basic Land – Swamp

Castigating Specter (rare)
Niven's Battlestone (uncommon)
Crypt Nematode (uncommon)
Necromancer's Echo (uncommon)
Cursed Blade (common)
Friend Ward (common)
Corona of Power (common)
Blessing Unbent (common)
Prismatic Surge (common)
Steadfast Assault (common)
Harmonic Vale (common)
Wicked Witch Engine (common)
Book Slide (common)
Mishra's Rite (common)
Swamp (basic)