Link's First Custom Cube: Virtual Booster

Singularity    R  Enchantment When Singularity enters the battlefield, exile all other nonland permanents until Singularity leaves the battlefield.	No more uncommons	No more uncommons	No more uncommons	Twist Bug    C  Creature – Insect Whenever Twist Bug deals damage to a player, that player discards that many cards at random, then draws a card for each card discarded this way. 2/1
Eira, Merciful Blade    C  Legendary Creature – Angel Flying, haste When Eira, Merciful Blade enters the battlefield, you may return target legendary or planeswalker card from your graveyard to the battlefield. It gains haste until end of turn. 4/4	Enlightened Denial    C  Instant Enlighten — If you drew a card this turn, Enlightened Denial costs less to cast. Counter target spell.	Sunlit Valley    C  Land – Mountain Plains (: Add or to your mana pool.) When Sunlit Valley enters the battlefield, sacrifice it unless you pay .	Everlasting Vigil    C  Enchantment Creatures you control have vigilance and lifelink. At the beginning of your upkeep, return target creature card with power 2 or less from your graveyard to the battlefield.	Transmogrify    C  Instant Exile target nonland permanent an opponent controls. That player exiles cards from the top of his or her library until he or she reveals a creature card, then puts that card onto the battlefield.
Empowering Cleric    C  Creature – Cleric : Target creature with power 2 or less gains flying and vigilance until end of turn. : Target creature with power 2 or less gains protection from the color of your choice until end of turn. 0/3	Jealous Judge    C  Creature – Noble Gaining life is against the law. Whenever an opponent breaks the law, put a +1/+1 counter on each Noble creature you control. 2/2	Makeshift Mind    C  Sorcery Creature – Shapeshifter Target player puts the top X cards of his or her library into his or her graveyard. Linger (This enters the battlefield as it resolves. As it enters the battlefield from anywhere, it loses its sorcery type.) You may have Makeshift Mind arrive as a copy of any permanent card put into a graveyard from a library this turn. 0/0	Crystalline Fields    C  Land – Plains Island (: Add or to your mana pool.) When Crystalline Fields enters the battlefield, sacrifice it unless you pay .	Mindfire Dragon    C  Creature – Dragon Flying, haste : Target player discards a card. If that player does, he or she draws a card. Mindfire Dragon gets +X/+0 until end of turn, where X is the discarded card's converted mana cost. 4/4

Singularity (rare)
Twist Bug (common)
Eira, Merciful Blade (common)
Enlightened Denial (common)
Sunlit Valley (common)
Everlasting Vigil (common)
Transmogrify (common)
Empowering Cleric (common)
Jealous Judge (common)
Makeshift Mind (common)
Crystalline Fields (common)
Mindfire Dragon (common)