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.

Celestial Glider R Creature – Griffin Flying, vigilance Discard a card: Exile target flying creature blocking Celestial Glider. And up and up the Dragon flew, and up and up the Griffon. The air grew weak and breath was few, but neither one would give in. -From "Why Griffin Flies High" 4/4	Filligreed Mirror U Sorcery Choose one – Put a token copy of all non-token creatures you control on the battlefield; or put a token copy of all token creatures you control on the battlefield. Entwine (Choose both, if you pay the entwine cost.)	Goat Sigil Bearer U Creature – Goat Flash, first strike Goat Sigil Bearer gets +1/+1 for each other creature you control. At the beginning of your opponent's end step, if Goat Sigil Bearer entered the battlefield this turn, sacrifice it. If you do, draw a card. 3/1	Chrysalis Carapace U Enchantment – Aura Enchant Creature , Tap untapped enchanted creature: Put a +1/+1 counter on enchanted creature. , Untap tapped enchanted creature: Enchanted creature gains flying.	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
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	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.	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.	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.	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	Talruun Firebrand C Creature – Minotuar Warrior When Talruun Firebrand enters the battlefield, it deals 3 damage to all players. Quiet! I cannot promise victory for our tribe, but I will promise an end to the fighting! 3/3	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	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	Forest B Basic Land – Forest

Celestial Glider (rare)
Filligreed Mirror (uncommon)
Goat Sigil Bearer (uncommon)
Chrysalis Carapace (uncommon)
Thanatos Drake (common)
Monsivore Rex (common)
Harmonic Vale (common)
Cursed Blade (common)
Blessing Unbent (common)
Plume Serpent (common)
Corona of Power (common)
Talruun Firebrand (common)
Savaen Blessing (common)
Curious Drake (common)
Forest (basic)