Mashup: the Gathering Workbench: Virtual Booster

Break Spirit    R  Sorcery Double Dip when a permanent enters the battlefield under an opponent's control (If you cast this spell from your hand, exile it when it resolves. When the double dip condition is met, you may cast it from exile without paying its mana cost.) Destroy target permanent.	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.	Coffertooth Rats    U  Creature – Rat Whenever a Rat enters the battlefield under your control, untap all Rats you control. They gain Intimidate until end of turn. With each new member, their frenzy increases. The rat sense of community fails, as sharp teeth replace sharp wits. 2/1	Sapling Grove    U  Land , : Add to your mana pool. Level Up If Sapling Grove has 3 level counters, it becomes a 3/3 green Treefolk with trample and "Remove a level counter from Sapling Grove: Sapling Grove gets +2/+2 until end of turn." (It's still a land.)	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
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	Savaen Blessing    C  Enchantment – Aura Enchant Land Enchanted Land gains protection from other enchantments. Sacrfice Savaen Blessing: Destroy target enchantment. "When the land is pure, the magic will follow." -Sidaen of Savaen	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.	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	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."
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	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.	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.	Creative Eyry    C  Instant When you cast Creative Eyry, cannot be greater than the number of flying creatures you control. Draw X cards.	Mountain    B  Basic Land – Mountain

Break Spirit (rare)
Graveburst (uncommon)
Coffertooth Rats (uncommon)
Sapling Grove (uncommon)
Kyren Tax Collector (common)
Turn to Brambles (common)
Savaen Blessing (common)
Explosive Shoots (common)
Necrospawn Liege (common)
Unholy Pact (common)
Corona of Power (common)
Prismatic Surge (common)
Cho-Arrim Augury (common)
Creative Eyry (common)
Mountain (basic)