Mashup: the Gathering Workbench: Virtual Booster

Staff of Calm    R  Artifact Staff of Calm enters the battlefield with X healing counters on it. You can't lose the game and your opponent can't win the game. Whenever damage would be dealt to you, instead remove that many healing counters from Staff of Calm. If there are no healing counters on Staff of Calm, sacrifice it, then shuffle your graveyard into your library.	Volrath's Whim    U  Sorcery When you cast Volrath's Whim, any player may pay 5 life. If a player does, counter Volrath's Whim. Target player puts a card from their hand on top of their library. Then, look at the top four cards of that player's library and exile three of them.	Gates of Velis Vel    U  Enchantment Untapped creatures you control are walls and gain +0/+2. Tapped creatures you control are all creature types except walls and gain +2/+0.	Brothers from the Slab    U  Creature – Human Druid : Reveal the top seven cards of your library, then put them on the bottom of your library in a random order. Add to your mana pool for each Druid revealed in this manner. We are cut from the same slab. Who among you is better than I? 2/2	Curio Curse    C  Enchantment – Aura Enchant Creature When enchanted creature deals damage to a player, look at the top three cards of your library, put one in your hand, put the rest back in any order, then sacrifice Curio Curse. Enchanted creature must attack if able.
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	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	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	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."
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.	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.	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	Wicked Witch Engine    C  Artifact Creature – Elemental Horror : Target player dealt damage by Wicked Witch Engine this turn loses 1 life. 2/2	Forest    B  Basic Land – Forest

Staff of Calm (rare)
Volrath's Whim (uncommon)
Gates of Velis Vel (uncommon)
Brothers from the Slab (uncommon)
Curio Curse (common)
Rat Nest Ogre (common)
Evangelizing Aven (common)
Snowball Fight (common)
Friend Ward (common)
Unholy Pact (common)
Prismatic Surge (common)
Cursed Blade (common)
Unloved Devil (common)
Wicked Witch Engine (common)
Forest (basic)