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.

Istvan, the Mad R Legendary Creature – Human Istvan, the Mad is indestructible. , : Target opponent loses 1 life for each card in their hand, then that player discards a card. Use this ability only during that player's second main step. 3/5	Exliving Drake U Creature – Zombie Drake Exliving Drake enters the battlefield tapped. Flying, lifelink Whenever Exliving Drake deals damage to an opponent, you may pay . If you do, sacrifice Exliving Drake and gain 8 life. 2/3	Time-Faced Fink U Creature – Noggle Rogue Discard Time-Faced Fink: remove all counters on target permanent or exiled card, or double them. When Time-Faced Fink enters the battlefield, remove all counters on target permanent or exiled card, or double them. 3/2	Archimedian Screw Pump U Artifact , : Tap up to one target creature, gain 2 life, and put the top three cards of target player's library into that player's graveyard.	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.
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.	Corona of Power C Snow Snow Snow Enchantment – Aura Enchant green creature. Enchanted creature gains ": Deal damage to target player equal to this creature's power. I call on forest's strength – on every thorn on every bramble – for their mass to break our enemies. -from The Fire within All	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	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.	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
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.	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	Curio Curse C Enchantment – Aura Enchant Creature When enchanted creature deals damage to a player, look at the top three cards of your library, put one in your hand, put the rest back in any order, then sacrifice Curio Curse. Enchanted creature must attack if able.	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	Swamp B Basic Land – Swamp

Istvan, the Mad (rare)
Exliving Drake (uncommon)
Time-Faced Fink (uncommon)
Archimedian Screw Pump (uncommon)
Blessing Unbent (common)
Pull of Pyromancy (common)
Corona of Power (common)
Monsivore Rex (common)
Cursed Blade (common)
Necrospawn Liege (common)
Book Slide (common)
Thanatos Drake (common)
Curio Curse (common)
Turn to Brambles (common)
Swamp (basic)