Mashup: the Gathering Workbench: Virtual Booster

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	Celestial Glider    R  Creature – Griffin Flying, vigilance Discard a card: Exile target flying creature blocking Celestial Glider. And up and up the Dragon flew, and up and up the Griffon. The air grew weak and breath was few, but neither one would give in. -From "Why Griffin Flies High" 4/4	Sanctum Whisperer    U  Creature – Human Cleric Sacrifice Sanctum Whisperer: The next time damage is dealt to a you or a creature you control this turn, the controller of that source of damage reveals his or her hand. You choose a card from it, and that player discards that card. 1/4	Institute of Arcane Sewers    U  Land , : Add to your mana pool. : Until end of turn, Institute of Arcane Sewers becomes a 1/1 blue and red Merfolk Wizard with ": Institute of Arcane Sewers deals one damage to target creature or player."	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
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.	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	Talruun Firebrand    C  Creature – Minotuar Warrior When Talruun Firebrand enters the battlefield, it deals 3 damage to all players. Quiet! I cannot promise victory for our tribe, but I will promise an end to the fighting! 3/3	Rat Nest Ogre    C  Creature – Ogre Discard a card at random from your hand: Rat Nest Ogre can't block this turn. Any player may play this ability. "Been living with the rats too long. Can no longer see. Rats don't mind, though. Just give me their eyes." 4/1
Shade of Prey    C  Creature – Bird Shade Flying Sacrifice a land: Return Shade of Prey to its owner's hand. : Shade of Prey gets +1/+1 until end of turn. 2/1	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	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.	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	Plains    B  Basic Land – Plains

Walking Nightmuse (common, foil)
Celestial Glider (rare)
Sanctum Whisperer (uncommon)
Institute of Arcane Sewers (uncommon)
Crypt Nematode (uncommon)
Book Slide (common)
Blessing Unbent (common)
Krimson Kount (common)
Talruun Firebrand (common)
Rat Nest Ogre (common)
Shade of Prey (common)
Plume Serpent (common)
Steadfast Assault (common)
Walking Nightmuse (common)
Plains (basic)