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	Isperia's Den    C  Legendary Land – Plains Island (: Add or to your mana pool.)
Rotting Cavern    C  Land – Swamp Mountain (: Add or to your mana pool.) When Rotting Cavern enters the battlefield, sacrifice it unless you pay .	Dance for New Growth    C  Instant Choose any number — • Put a +1/+1 counter on target creature. • Put target card from a graveyard on top of its owner's library. • Untap up to two target creatures. Dance for New Growth costs more to cast for each mode chosen beyond the first.	Archon of the Sword    C  Creature – Archon Flying Whenever Archon of the Sword or another creature you control leaves the battlefield, choose a card type. Each player sacrifices a permanent of that type. 4/4	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.	Magnetic Performance    C  Instant Choose any number — • Magnetic Performance deals 3 damage to target player. • Destroy target artifact. • Each player with no cards in hand draws two cards. Magnetic Performance costs more to cast for each mode chosen beyond the first.
Wilted Learning    C  Instant Counter target spell unless its controller pays . If that player does, draw a card.	Village Hero    C  Creature Whenever another creature with power 2 or less enters the battlefield, put a +1/+1 counter on Village Hero. 1/1	Undead Mortician    C  Creature – Zombie Cleric Rite — Whenever a creature dies, each player loses 1 life. 1/1	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	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

Singularity (rare)
Isperia's Den (common)
Rotting Cavern (common)
Dance for New Growth (common)
Archon of the Sword (common)
Everlasting Vigil (common)
Magnetic Performance (common)
Wilted Learning (common)
Village Hero (common)
Undead Mortician (common)
Makeshift Mind (common)
Eira, Merciful Blade (common)