Mashup: the Gathering Workbench: Virtual Booster

Isochron Hipparion    R  Creature – Horse Wizard When Isochron Hipparion enters the battlefield, you may exile a creature from your hand with a converted mana cost of 3 or less. : Isochron Hipparion gains all activated abilities from the exiled creature. "Hipparions are to warriors what aesthir are to skyknights." - from the thesis of Cadet Jarkeld 1/3	Knight of the Periphery    U  Creature – Thalakos Knight Knight of the Periphery can't be blocked except by unblockable creatures or by creatures named Knight of the Periphery. 'Never', Mirri, is the same as 'Not yet'. -Ertai, Wizard Adept 4/3	Archimedian Screw Pump    U  Artifact , : Tap up to one target creature, gain 2 life, and put the top three cards of target player's library into that player's graveyard.	Protective She-Wolf    U  Creature – Wolf Defender When Protective She-Wolf enters the battlefield, draw a card. When Protective She-Wolf blocks a creature, it deals damage equal to its power to the attacking creature's controller. 2/2	Thanatos Drake    C  Creature – Drake Flying , , Exile a card from your graveyard: Target player discards a card. Activate this ability only any time you could cast a sorcery. 2/4
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	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.	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.	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.	Necrospawn Liege    C  Creature – Zombie Cleric Tap an untapped creature you control, or lose 1 life: Put a devotion counter on Necrospawn Liege. Remove five devotion counters from Necrospawn Liege: Draw a card. 3/3
Coast Guarder    C  Creature – Bird Soldier Scout Flying Whenever an opponent casts a creature spell, put a +1/+1 counter on Coast Guarder. 2/1	Unloved Devil    C  Creature – Devil Mercenary Flying It's hard to call it flying, the way they seem to fall out of the sky, collapsing on their prey. 1/1	Monsivore Rex    C  Creature – Lhurgoyf First strike Monsivore Rex gets +1/+0 for each Mountain you control and for each Mountain in your graveyard. "Oh, Saffi! Must you overreact to -" - Hans Eriksson, last words. 0/1	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.	Forest    B  Basic Land – Forest

Isochron Hipparion (rare)
Knight of the Periphery (uncommon)
Archimedian Screw Pump (uncommon)
Protective She-Wolf (uncommon)
Thanatos Drake (common)
Corona of Power (common)
Steadfast Assault (common)
Book Slide (common)
Cho-Arrim Augury (common)
Necrospawn Liege (common)
Coast Guarder (common)
Unloved Devil (common)
Monsivore Rex (common)
Harmonic Vale (common)
Forest (basic)