Mashup: the Gathering Workbench: Virtual Booster

This booster was generated with modern collation since the cardset contains mythics: 1 rare / mythic, 3 uncommons, 10 commons, 1 basic land.
You could alternatively have 15 random cards regardless of rarity.

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.	Roiling Fire U Sorcery When you cast Roiling Fire, exile it from the game with X time counters on it. At the beginning of your upkeep, if Roiling Fire is exiled, remove a time counter from it. If you do, deal 5 damage to target creature.	Darigaaz's Enforcer U Artifact Creature – Golem , Sacrifice Darigaaz's Enforcer: Target player sets aside three cards at random from his or her hand. For each of those cards, that player chooses either to discard it, or put it on top of his or her library. 3/3	Intermittent Reparations U Enchantment Whenever an opponent casts a spell that targets you or a creature you control, flip a coin. If you win the flip, draw two cards. We're sorry you're village was destroyed. Currently, the senate is negotiating to determine reparations. Continue to write. A scribe will be with you shortly.	Thanatos Drake C Creature – Drake Flying , , Exile a card from your graveyard: Target player discards a card. Activate this ability only any time you could cast a sorcery. 2/4
Mishra's Rite C Instant Tap two target lands, then add to your mana pool. Draw a card.	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	Krimson Kount C Creature – Kobold Noble Whenever you cast a Kobold, put a Destiny counter on Krimson Kount. Remove a Destiny counter from Krimson Kount: Krimson Kount becomes a 3/4 Kobold Warrior Spirit until end of turn. 0/1	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	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.
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	Steaming Sink Pits C Enchantment – Aura Enchant Land Enchanted Land is a Swamp and Mountain. Whenever enchanted land becomes tapped, that land deals two damage to its controller.	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	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	Swamp B Basic Land – Swamp

Slate of Arcanis (rare)
Roiling Fire (uncommon)
Darigaaz's Enforcer (uncommon)
Intermittent Reparations (uncommon)
Thanatos Drake (common)
Mishra's Rite (common)
Rat Nest Ogre (common)
Krimson Kount (common)
Evangelizing Aven (common)
Explosive Shoots (common)
Curious Drake (common)
Steaming Sink Pits (common)
Savaen Blessing (common)
Blightsoil Druid (common)
Swamp (basic)