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.

Mons's Goblin Hive R Artifact , : Put a 1/1 red Goblin token named Rundvelt Goblin onto the battlefield. Whenever a creature named Rundvelt Goblin attacks, all Goblins get +1/+0 until end of turn. Thundercloud, my tuchus. It's more of a vibrating bone pudding, if you ask me. -Dadardado, Rundvelt Goblin	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	Awakened Mosaic U Enchantment Whenever you cast a Shapeshifter or an Elemental spell, Awakened Mosaic becomes either a 4/4 Shapeshifter creature until end of turn, or an enchantment until end of turn. It was intended to be a guardian for the ancient library. It wasn't intended to work.	Chrysalis Carapace U Enchantment – Aura Enchant Creature , Tap untapped enchanted creature: Put a +1/+1 counter on enchanted creature. , Untap tapped enchanted creature: Enchanted creature gains flying.	Turn to Brambles C Instant Target creature becomes a 2/3 green Plant Wall with defender and ": Regenerate this creature." until end of turn. Wrap arms and roots together, be convulsed with grief, and bring back chaos out of shape. - Conrad Aiken, The Room
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.	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	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	Wicked Witch Engine C Artifact Creature – Elemental Horror : Target player dealt damage by Wicked Witch Engine this turn loses 1 life. 2/2	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
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.	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.	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.	Mountain B Basic Land – Mountain

Mons's Goblin Hive (rare)
Necromancer's Echo (uncommon)
Awakened Mosaic (uncommon)
Chrysalis Carapace (uncommon)
Turn to Brambles (common)
Cho-Arrim Augury (common)
Curious Drake (common)
Shade of Prey (common)
Wicked Witch Engine (common)
Necrospawn Liege (common)
Pull of Pyromancy (common)
Cursed Blade (common)
Book Slide (common)
Mishra's Rite (common)
Mountain (basic)