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.

Steaming Sink Pits C Enchantment – Aura Enchant Land Enchanted Land is a Swamp and Mountain. Whenever enchanted land becomes tapped, that land deals two damage to its controller.	Lord Zedruu, the Lost M Legendary Creature – Minotaur Demon Flying, trample At the beginning of your upkeep, target opponent gains control of a creature you control. At the end of turn, draw X cards, and lose X life, where X is equal to the number of permanents you own that your opponents control. 7/9	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.	Capitulated Keldon Lands U Land Capitulated Keldon Lands enters the battlefield tapped. : Add to your mana pool. : Keldon Megaliths deals 1 damage to target player. Activate this ability only if an opponent has no cards in hand.	Wraith's Embrace U Enchantment – Aura Enchant Creature Enchanted creature gets +3/+1 and gains swampwalk. Whenever enchanted creature attacks or blocks, each player loses 2 life.
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.	Evangelizing Aven C Creature – Bird Soldier Flying As long as Evangelizing Aven is tapped, it gets +2/-2. "They keep screaching 'Repent! Repent! Repent!'. What will it take to stop their infernal squaking?" - Halina, Dwarven Trader 2/4	Learned Response C Instant You may pay 1 life and exile a blue card from your hand rather than pay Learned Response mana cost. Counter target non-creature spell.	Kyren Tax Collector C Creature – Goblin Advisor Haste If an opponent controls more lands than you, you may play Kyren Tax Collector without paying its mana cost. In Mercandia, there's a tax for future land you will buy. 1/1	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
Explosive Shoots C Sorcery As an additional cost to cast Explosive Shoots, sacrifice a land. Search through your library for a basic land, put it onto the battlefield, then shuffle your library. Each player gains 1 life for each basic land type they control, then Explosive Shoots deals 3 damage to each player.	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	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	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	Mountain B Basic Land – Mountain

Steaming Sink Pits (common, foil)
Lord Zedruu, the Lost (mythic)
Awakened Mosaic (uncommon)
Capitulated Keldon Lands (uncommon)
Wraith's Embrace (uncommon)
Book Slide (common)
Evangelizing Aven (common)
Learned Response (common)
Kyren Tax Collector (common)
Friend Ward (common)
Explosive Shoots (common)
Necrospawn Liege (common)
Walking Nightmuse (common)
Monsivore Rex (common)
Mountain (basic)