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.

Righteousness Elemental R Creature – Elemental When Righteousness Elemental enters the battlefield, put X +1/+1 counters on it, where X is equal to the amount of damage dealt to all opponents this turn. Then, if an opponent controls a black creature, Righteousness Elemental gains haste and after this main phase, there is an additional combat phase followed by an additional main phase. 0/0	Defender of the Sedge U Creature – Troll When Defender of the Sedge enters the battlefield, search through your library for a creature with a converted mana cost equal to or less than the number of creatures an opponent has in play, and put it on the battlefield. Then, shuffle your library. : Regenerate Defender of the Sedge. 2/2	Mecha Mesa Mount U Artifact Creature – Pegasus Flying Mecha Mesa Mount can't attack, unless at least two other creatures are attacking. When Mecha Mesa Mount attacks, up to three target creatures can't block this turn. 2/2	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.	Turn to Brambles C Instant Target creature becomes a 2/3 green Plant Wall with defender and ": Regenerate this creature." until end of turn. Wrap arms and roots together, be convulsed with grief, and bring back chaos out of shape. - Conrad Aiken, The Room
Necrospawn Liege C Creature – Zombie Cleric Tap an untapped creature you control, or lose 1 life: Put a devotion counter on Necrospawn Liege. Remove five devotion counters from Necrospawn Liege: Draw a card. 3/3	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".	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	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	Creative Eyry C Instant When you cast Creative Eyry, cannot be greater than the number of flying creatures you control. Draw X cards.
Holy Favor C Enchantment – Aura Enchant Creature Enchanted creature gets +2/+1. At end of turn, return Holy Favor to its owner's hand.	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	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.	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	Island B Basic Land – Island

Righteousness Elemental (rare)
Defender of the Sedge (uncommon)
Mecha Mesa Mount (uncommon)
Intermittent Reparations (uncommon)
Turn to Brambles (common)
Necrospawn Liege (common)
Snowball Fight (common)
Thanatos Drake (common)
Rat Nest Ogre (common)
Creative Eyry (common)
Holy Favor (common)
Krimson Kount (common)
Steaming Sink Pits (common)
Anti-Aura Acolyte (common)
Island (basic)