Mashup: the Gathering Workbench: Virtual Booster

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.	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	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	Protect the Master    U  Instant – Trap If your opponent controls an attacking creature with power greater than the number of cards in your hand, you may pay rather than pay Protect the Master's mana cost. Put two 3/3 white Djinn creature tokens with flying into play.	Filligreed Mirror    U  Sorcery Choose one – Put a token copy of all non-token creatures you control on the battlefield; or put a token copy of all token creatures you control on the battlefield. Entwine (Choose both, if you pay the entwine cost.)
Creative Eyry    C  Instant When you cast Creative Eyry, cannot be greater than the number of flying creatures you control. Draw X cards.	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	Krimson Kount    C  Creature – Kobold Noble Whenever you cast a Kobold, put a Destiny counter on Krimson Kount. Remove a Destiny counter from Krimson Kount: Krimson Kount becomes a 3/4 Kobold Warrior Spirit until end of turn. 0/1	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.
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.	Shade of Prey    C  Creature – Bird Shade Flying Sacrifice a land: Return Shade of Prey to its owner's hand. : Shade of Prey gets +1/+1 until end of turn. 2/1	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."	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.	Island    B  Basic Land – Island

Steadfast Assault (common, foil)
Lord Zedruu, the Lost (mythic)
Stone Geyser (uncommon)
Protect the Master (uncommon)
Filligreed Mirror (uncommon)
Creative Eyry (common)
Turn to Brambles (common)
Evangelizing Aven (common)
Krimson Kount (common)
Book Slide (common)
Prismatic Surge (common)
Shade of Prey (common)
Unholy Pact (common)
Cursed Blade (common)
Island (basic)