Mashup: the Gathering Workbench: Virtual Booster

Tectonic Stasis    R  Enchantment At the beginning of your upkeep, pay or sacrifice Tectonic Stasis. Whenever a land enters the battlefield, tap all lands its controller controls. Those lands don't untap during their controller's next untap step.	Velvet Fungus    U  Creature – Fungus : Put a 1/1 green Saproling token into play. Whenever a Saproling dies, put a spore counter on Velvet Fungus. Remove three spore counters from Velvet Fungus: Prevent all combat damage that would be dealt this turn. 1/1	Awakened Mosaic    U  Enchantment Whenever you cast a Shapeshifter or an Elemental spell, Awakened Mosaic becomes either a 4/4 Shapeshifter creature until end of turn, or an enchantment until end of turn. It was intended to be a guardian for the ancient library. It wasn't intended to work.	Graveburst    U  Sorcery Return a creature from your graveyard to the battlefield, then tap it unless you control a Mountain. That creature gains haste until end of turn, and is a black Zombie in addition to its other types.	Curious Drake    C  Creature – Drake Flying Whenever Curious Drake deals damage to an opponent, you may draw a card. No bird soars too far, if he soars to find his desire. 2/2
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.	Blightsoil Druid    C  Creature – Elf Druid , Pay 1 life: Add to your mana pool. "The land belongs to the murk as far as the eye can see. The deeper you sink, the more you can see." 1/2	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.	Wicked Witch Engine    C  Artifact Creature – Elemental Horror : Target player dealt damage by Wicked Witch Engine this turn loses 1 life. 2/2	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.
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	Rat Nest Ogre    C  Creature – Ogre Discard a card at random from your hand: Rat Nest Ogre can't block this turn. Any player may play this ability. "Been living with the rats too long. Can no longer see. Rats don't mind, though. Just give me their eyes." 4/1	Explosive Shoots    C  Sorcery As an additional cost to cast Explosive Shoots, sacrifice a land. Search through your library for a basic land, put it onto the battlefield, then shuffle your library. Each player gains 1 life for each basic land type they control, then Explosive Shoots deals 3 damage to each player.	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.	Island    B  Basic Land – Island

Tectonic Stasis (rare)
Velvet Fungus (uncommon)
Awakened Mosaic (uncommon)
Graveburst (uncommon)
Curious Drake (common)
Book Slide (common)
Blightsoil Druid (common)
Prismatic Surge (common)
Wicked Witch Engine (common)
Harmonic Vale (common)
Thanatos Drake (common)
Rat Nest Ogre (common)
Explosive Shoots (common)
Cho-Arrim Augury (common)
Island (basic)