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.

Riddle of Snakes R Instant – Trap Reveal cards from the top of your library until you reveal two nonland cards with a converted mana cost of four or less. You may cast them without paying their mana cost. Shuffle your library, then, if an opponent cast a blue or black spell this turn, put Riddle of Snakes into your library third from the top.	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	Protective She-Wolf U Creature – Wolf Defender When Protective She-Wolf enters the battlefield, draw a card. When Protective She-Wolf blocks a creature, it deals damage equal to its power to the attacking creature's controller. 2/2	Crypt Nematode U Creature – Worm Beast When Crypt Nematode enters the battlefield, target player loses 1 life. When Crypt Nematode goes to the graveyard from the battlefield, target player loses 2 life. , Exile Crypt Nematode from your graveyard: Target player loses 3 life. 1/4	Plume Serpent C Creature – Serpent When Plume Serpent enters the battlefield, you may search your library for an Island card and put it onto the battlefield tapped under target player's control. If you do, shuffle your library. Plume Serpent can't attack unless defending player controls an Island. 6/5
Wicked Witch Engine C Artifact Creature – Elemental Horror : Target player dealt damage by Wicked Witch Engine this turn loses 1 life. 2/2	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".	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.	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.	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.	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	Creative Eyry C Instant When you cast Creative Eyry, cannot be greater than the number of flying creatures you control. Draw X cards.	Mountain B Basic Land – Mountain

Riddle of Snakes (rare)
Stone Geyser (uncommon)
Protective She-Wolf (uncommon)
Crypt Nematode (uncommon)
Plume Serpent (common)
Wicked Witch Engine (common)
Snowball Fight (common)
Learned Response (common)
Cho-Arrim Augury (common)
Steaming Sink Pits (common)
Pull of Pyromancy (common)
Walking Nightmuse (common)
Monsivore Rex (common)
Creative Eyry (common)
Mountain (basic)