Mashup: the Gathering Workbench: Virtual Booster

This booster was generated with modern collation since the cardset contains mythics: 1 rare / mythic, 3 uncommons, 10 commons, 1 basic land.
You could alternatively have 15 random cards regardless of rarity.

Military Library R Enchantment Play with the top card of your library revealed. Whenever you draw a card, creatures you control that share a color with it get +1/+1 until end of turn. : Draw a card, then either pay 4 life, or put a card from your hand on top of your library.	Dive Deeper U Enchantment At the beginning of your upkeep, put a pressure counter on Dive Deeper. At the beginning of your precombat main phase, exile up to X target cards in a single graveyard, where X is equal to the number of pressure counters on Dive Deeper. Then, if there are four or more pressure counters on Dive Deeper, sacrifice it.	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.	Corps Recruiter U Creature – Human Soldier , , Sacrifice a land: Search your library for a Soldier card and a Plains card, reveal them, and put them into your hand. Then shuffle your library. 3/3	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
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	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.	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.	Pull of Pyromancy C Enchantment When Pull of Pyromancy enters the battlefield, put a 3/3 Red Elemental creature token onto the battlefield. At the beginning of each player's upkeep, Pull of Pyromancy deals 1 damage to that player, unless he or she controls an Elemental.	Claws of the Viashino C Enchantment – Aura Enchant creature you control Flash : Enchanted creature gets +1/+0 until end of turn. Return Claws of the Viashino to its owner's hand: Sacrifice the enchanted creature and add to your mana pool.
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.	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	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	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

Military Library (rare)
Dive Deeper (uncommon)
Archimedian Screw Pump (uncommon)
Corps Recruiter (uncommon)
Necrospawn Liege (common)
Unloved Devil (common)
Steadfast Assault (common)
Blessing Unbent (common)
Pull of Pyromancy (common)
Claws of the Viashino (common)
Book Slide (common)
Monsivore Rex (common)
Friend Ward (common)
Walking Nightmuse (common)
Plains (basic)