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	Immé's Cultivator    C  Creature – Treefolk Defender, reach When you cast Immé's Cultivator, you may search your library for up to two creature cards with defender and reveal them. Put one onto the battlefield and the other into your hand, then shuffle your library. 3/7
Conscious Erosion    C  Instant Target player draws two cards, then discards two cards. Retrace (You may cast this card from your graveyard by discarding a land card in addition to paying its other costs.)	Bastioned Bliss    C  Enchantment At the beginning of each end step, if you control a creature with defender, put a +1/+1 counter on target creature, then put a 1/1 white Spirit creature token with flying onto the battlefield.	Soulfire Dragon    C  Creature – Dragon Flying Legendary creatures you control have menace. Whenever a legendary creature you control becomes blocked by a creature, Soulfire Dragon deals 1 damage to the defending player. 4/4	Isperia's Den    C  Legendary Land – Plains Island (: Add or to your mana pool.)	Mangrove Line    C  Land – Forest Island (: Add or to your mana pool.) When Mangrove Line enters the battlefield, sacrifice it unless you pay .
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	Wilted Learning    C  Instant Counter target spell unless its controller pays . If that player does, draw a card.	Moaning Wind    C  Sorcery Create a 1/1 black and white Spirit creature token. Retrace (You may cast this card from your graveyard by discarding a land card in addition to paying its other costs.) If you discarded a Swamp to cast Moaning Wind, each opponent loses 1 life.	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	Vanguard of the Small    C  Creature – Angel Flying, vigilance You may cast creature cards with power 2 or less as though they had flash. 2/4

Singularity (rare)
Immé's Cultivator (common)
Conscious Erosion (common)
Bastioned Bliss (common)
Soulfire Dragon (common)
Isperia's Den (common)
Mangrove Line (common)
Makeshift Mind (common)
Wilted Learning (common)
Moaning Wind (common)
Archon of the Sword (common)
Vanguard of the Small (common)