Mashup: the Gathering Workbench: Virtual Booster

Racket Buster    R  Creature – Human Soldier Flash When Racket Buster enters the battlefield, if it is the upkeep step, end the step. 2/3	Dragonskull Aethermage    U  Creature – Human Wizard When Dragonskull Aethermage enters the battlefield, choose one – Return target land to its owner's hand if you control a Mountain; or, return target creature to it's owner's hand if you control a Swamp. 2/2	Impermanence    U  Enchantment Whenever an artifact becomes the target of a spell or ability, its controller sacrifices it. The Crystal hovered for centuries, unbreakable at the heart of the volcano. One glance from Zuk-Zook shattered it to pieces.	Dogwood Elder    U  Creature – Treefolk Spellshaper : The next time you would draw a card, instead, put the top three cards of your library into your graveyard. If you do, destroy target artifact or enchantment. If a permanent is destroyed in this manner, put a +1/+1 counter on Dogwood Elder. 3/3	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.
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.	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	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."	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
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	Kyren Tax Collector    C  Creature – Goblin Advisor Haste If an opponent controls more lands than you, you may play Kyren Tax Collector without paying its mana cost. In Mercandia, there's a tax for future land you will buy. 1/1	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.	Forest    B  Basic Land – Forest

Racket Buster (rare)
Dragonskull Aethermage (uncommon)
Impermanence (uncommon)
Dogwood Elder (uncommon)
Steadfast Assault (common)
Curious Drake (common)
Book Slide (common)
Rat Nest Ogre (common)
Unholy Pact (common)
Blightsoil Druid (common)
Corona of Power (common)
Kyren Tax Collector (common)
Learned Response (common)
Cho-Arrim Augury (common)
Forest (basic)