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.

Haunted Mine U Artifact Whenever an opponent targets a permanent they do not control, each player draws a card. Legend has it that the mine howls out the last words of those who would have died inside.	Diabolic Anvil R Artifact When Diabolic Anvil enters the battlefield, you may exile a nonland card from your hand. When you cast spells, you may pay an additional if the spell shares a type with the exiled card. If you do, search through your library for a card that shares a type with the exiled card, reveal it, put it into your hand and shuffle your library.	Capitulated Keldon Lands U Land Capitulated Keldon Lands enters the battlefield tapped. : Add to your mana pool. : Keldon Megaliths deals 1 damage to target player. Activate this ability only if an opponent has no cards in hand.	Dragonskull Aethermage U Creature – Human Wizard When Dragonskull Aethermage enters the battlefield, choose one – Return target land to its owner's hand if you control a Mountain; or, return target creature to it's owner's hand if you control a Swamp. 2/2	Abolishadon U Creature – Beast Abolishadon costs less for each creature in play with a counter on it. Trample When Abolishadon enters the battlefield, return all creatures with counters on them to their owner's hand. 5/5
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	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.	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.	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
Monsivore Rex C Creature – Lhurgoyf First strike Monsivore Rex gets +1/+0 for each Mountain you control and for each Mountain in your graveyard. "Oh, Saffi! Must you overreact to -" - Hans Eriksson, last words. 0/1	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	Anti-Aura Acolyte C Creature – Elemental Shaman Protection from enchantments , Discard Anti-Aura Acolyte: Target creature gains protection from enchantments until end of turn. 2/2	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	Plains B Basic Land – Plains

Haunted Mine (uncommon, foil)
Diabolic Anvil (rare)
Capitulated Keldon Lands (uncommon)
Dragonskull Aethermage (uncommon)
Abolishadon (uncommon)
Evangelizing Aven (common)
Kyren Tax Collector (common)
Explosive Shoots (common)
Harmonic Vale (common)
Friend Ward (common)
Monsivore Rex (common)
Thanatos Drake (common)
Anti-Aura Acolyte (common)
Coast Guarder (common)
Plains (basic)