Mashup: the Gathering Workbench: Virtual Booster

Spellbreaker Gargantuan    R  Creature – Turtle Beast Spellbreaker Gargantuan can't be countered. : Spells you cast this turn with a converted mana cost of five or greater can't be countered by spells or abilities. Mercadians don't dare fish for Gargantuans. They're regarded not as turtles but as a force of nature, like a cyclonic storm or a whirlpool breaker. 5/5	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.	Desperate Measure    U  Instant The next 3 damage that a source of your choice would deal to you and/or permanents you control this turn is dealt to target creature you control instead. Reverb (Whenever you cast an instant or a sorcery, you may cast Desperate Measure from your graveyard for .)	Volcanic Cannonade    U  Sorcery As an additional cost to cast Volcanic Cannonade, sacrifice any number of creatures you control. Deal X damage to up to X target creatures and/or players, where X is equal to the number of creatures sacrificed. "Oh, goblins fly all the time. They're never happy about it, mind you." -Ethan Sable, Icatian Lieutenant	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
Unloved Devil    C  Creature – Devil Mercenary Flying It's hard to call it flying, the way they seem to fall out of the sky, collapsing on their prey. 1/1	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	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	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	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.
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	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	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.	Plains    B  Basic Land – Plains

Spellbreaker Gargantuan (rare)
Awakened Mosaic (uncommon)
Desperate Measure (uncommon)
Volcanic Cannonade (uncommon)
Monsivore Rex (common)
Unloved Devil (common)
Corona of Power (common)
Shade of Prey (common)
Walking Nightmuse (common)
Cho-Arrim Augury (common)
Snowball Fight (common)
Friend Ward (common)
Turn to Brambles (common)
Steadfast Assault (common)
Plains (basic)