Mashup: the Gathering Workbench: Virtual Booster

Slate of Arcanis    R  Legendary Artifact , , Return a creature you control to your hand: Draw a card for each creature you control. Those who cannot wait can etch their names into the slate, and an honorable death will be delivered to them.	Dive Deeper    U  Enchantment At the beginning of your upkeep, put a pressure counter on Dive Deeper. At the beginning of your precombat main phase, exile up to X target cards in a single graveyard, where X is equal to the number of pressure counters on Dive Deeper. Then, if there are four or more pressure counters on Dive Deeper, sacrifice it.	Catching Searblades    U  Creature – Elemental Warrior Whenever you play an activated ability of an Elemental, put a 1/1 red Elemental Warrior token into play. An army is only limited by the fuel that feeds it. 3/3	Necromancer's Tome    U  Artifact , : Return a creature from your graveyard to your hand.	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
Mishra's Rite    C  Instant Tap two target lands, then add to your mana pool. Draw a card.	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.	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	Plume Serpent    C  Creature – Serpent When Plume Serpent enters the battlefield, you may search your library for an Island card and put it onto the battlefield tapped under target player's control. If you do, shuffle your library. Plume Serpent can't attack unless defending player controls an Island. 6/5	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
Blessing Unbent    C  Instant As you cast this spell, you may untap two tapped white creatures. When you do, copy it and you may choose a new target for the copy. Target creature gains +2/+2 until end of turn.	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	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.	Pull of Pyromancy    C  Enchantment When Pull of Pyromancy enters the battlefield, put a 3/3 Red Elemental creature token onto the battlefield. At the beginning of each player's upkeep, Pull of Pyromancy deals 1 damage to that player, unless he or she controls an Elemental.	Plains    B  Basic Land – Plains

Slate of Arcanis (rare)
Dive Deeper (uncommon)
Catching Searblades (uncommon)
Necromancer's Tome (uncommon)
Unloved Devil (common)
Mishra's Rite (common)
Explosive Shoots (common)
Friend Ward (common)
Plume Serpent (common)
Corona of Power (common)
Blessing Unbent (common)
Shade of Prey (common)
Book Slide (common)
Pull of Pyromancy (common)
Plains (basic)