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.

Virulent Research R Enchantment Lose 4 life: Virulent Research deals 3 damage to each creature and player. Any player may play this ability. , Discard a card: Gain 3 life. "Today, I had an outbreak. What would happen if my test subjects suffered a breakthrough of boils?" -from the notes of Margol, Field Researcher	Dawnfield Puredeer U Creature – Deer , Sacrifice Dawnfield Puredeer: If a source would deal damage to you or a creature you control this turn, prevent 1 of that damage. , Sacrifice Dawnfield Puredeer: If a source would deal damage to you or a creature you control this turn, prevent 2 of that damage. 2/2	Smoke Spirit U Creature – Elemental : Smoke Spirit gets +1/+0 until end of turn. : Counter target spell unless its controller pays . is equal to Smoke Spirit's power. 1/3	Stone Geyser U Enchantment All lands gain "Whenever this land is tapped for mana, it deals 1 damage to a creature you control. Creatures dealt damage this way gain flying until end of turn." "Dragons can fly. Big deal. They can't fall like we do." —Oop, Goblin Sledder	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.
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	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	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.	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.	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.
Snowball Fight C Instant Until end of turn, blocking creatures neither deal, nor receive combat damage, and gain ": Deal 1 damage to target attacking creature".	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	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	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	Mountain B Basic Land – Mountain

Virulent Research (rare)
Dawnfield Puredeer (uncommon)
Smoke Spirit (uncommon)
Stone Geyser (uncommon)
Blessing Unbent (common)
Kyren Tax Collector (common)
Thanatos Drake (common)
Harmonic Vale (common)
Steaming Sink Pits (common)
Pull of Pyromancy (common)
Snowball Fight (common)
Friend Ward (common)
Anti-Aura Acolyte (common)
Necrospawn Liege (common)
Mountain (basic)