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	Unnatural Fever U Enchantment Creatures you control get +2/+0. At the beginning of the end step, sacrifice Unnatural Fever, then gain 4 life for each tapped creature you control.	Unyaro Beekeeper U Creature – Insect Ranger , : Deal 1 Damage to target creature or player. Level Up When there are 3 level counters on Unyaro Beekeeper, flip it. 2/3 Unyaro Hivemaster C Creature – Insect Ranger , : Deal 2 damage to target creature or player. 3/4	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."	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	Prismatic Surge C Instant As an additional cost to casting Prismatic Surge, discard a card. Target creature gets +X/+0 where X is equal to the discarded card's converted mana cost, and has protection from the colors of the discarded card.	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	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.	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
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	Anti-Aura Acolyte C Creature – Elemental Shaman Protection from enchantments , Discard Anti-Aura Acolyte: Target creature gains protection from enchantments until end of turn. 2/2	Unholy Pact C Enchantment – Aura Enchant Creature Enchanted creature gets +2/+1. When enchanted creature dies, return that card to the battlefield under your control. "You know how it is. Everyday it's 'trade my soul this', and 'give me more power that'. Of course I don't have more time to visit, Mum."	Savaen Blessing C Enchantment – Aura Enchant Land Enchanted Land gains protection from other enchantments. Sacrfice Savaen Blessing: Destroy target enchantment. "When the land is pure, the magic will follow." -Sidaen of Savaen	Island B Basic Land – Island

Mons's Goblin Hive (rare)
Unnatural Fever (uncommon)
Unyaro Beekeeper (uncommon)
Institute of Arcane Sewers (uncommon)
Friend Ward (common)
Walking Nightmuse (common)
Prismatic Surge (common)
Coast Guarder (common)
Steadfast Assault (common)
Turn to Brambles (common)
Evangelizing Aven (common)
Anti-Aura Acolyte (common)
Unholy Pact (common)
Savaen Blessing (common)
Island (basic)