Mashup: the Gathering Workbench: Virtual Booster

Disseminating Dirge    R  Enchantment – Aura Enchant non-land permanent At the beginning of enchanted permanent's controller's end step, that player may pay any amount of mana. That player then discards three cards minus one for every he or she paid.	Masterful Gaze    U  Sorcery Target player reveals their hand. For each green creature in it, search through your library for a creature with power no greater than 2, reveal it, put it in your hand, then shuffle your library.	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 .)	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.)	Claws of the Viashino    C  Enchantment – Aura Enchant creature you control Flash : Enchanted creature gets +1/+0 until end of turn. Return Claws of the Viashino to its owner's hand: Sacrifice the enchanted creature and add to your mana pool.
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	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	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.	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.	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.
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	Coast Guarder    C  Creature – Bird Soldier Scout Flying Whenever an opponent casts a creature spell, put a +1/+1 counter on Coast Guarder. 2/1	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	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	Plains    B  Basic Land – Plains

Disseminating Dirge (rare)
Masterful Gaze (uncommon)
Desperate Measure (uncommon)
Sapling Grove (uncommon)
Claws of the Viashino (common)
Shade of Prey (common)
Corona of Power (common)
Cursed Blade (common)
Book Slide (common)
Harmonic Vale (common)
Rat Nest Ogre (common)
Coast Guarder (common)
Evangelizing Aven (common)
Kyren Tax Collector (common)
Plains (basic)