Link's First Custom Cube: Virtual Booster

Herald of the Small    R  Creature – Spirit Flying Gate (Play with the top card of your library revealed.) You may play the top card of your library if it's a creature card with power 2 or less. 2/2	No more uncommons	No more uncommons	No more uncommons	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.
Rotting Cavern    C  Land – Swamp Mountain (: Add or to your mana pool.) When Rotting Cavern enters the battlefield, sacrifice it unless you pay .	Exemplary Learner    C  Creature – Wizard Enlighten — Whenever you draw a card, spells you cast this turn cost less to cast. , : Draw a card. 2/2	Foremost Riddler    C  Creature – Sphinx Flying Enlighten — Foremost Riddler costs less to cast for each card you've drawn this turn. Whenever a Sphinx creature you control becomes blocked, you Gain a victory counter. (A player with 10 or more victory counters wins the game.) 4/3	Vandes, the Masked Guerilla    C  Legendary Creature – Warrior At the beginning of combat on your turn, for each planeswalker and each legendary permanent you control, put a 1/1 red Warrior creature with haste onto the battlefield. , Sacrifice four creatures you control: Exile target attacking creature. 4/4	Caller of Heroes    C  Creature Whenever you cast a legendary spell or a planeswalker spell, put a +1/+1 counter on Caller of Heroes. Legendary spells and planeswalkers spells you cast cost less to cast for each +1/+1 counter on Caller of Heroes. 1/1
Hill of Willows    C  Land – Mountain Forest (: Add or to your mana pool.) When Hill of Willows enters the battlefield, sacrifice it unless you pay .	Sparrow Griffin    C  Creature – Griffin Flying Whenever a creature enters the battlefield under an opponent's control, return Sparrow Griffin to its owner's hand. 2/1	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.	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.)	Willow Dryad    C  Creature – Dryad Defender Whenever a Forest or a creature with defender enters the battlefield, you may pay . If you do, draw a card. 0/4

Herald of the Small (rare)
Magnetic Performance (common)
Rotting Cavern (common)
Exemplary Learner (common)
Foremost Riddler (common)
Vandes, the Masked Guerilla (common)
Caller of Heroes (common)
Hill of Willows (common)
Sparrow Griffin (common)
Transmogrify (common)
Conscious Erosion (common)
Willow Dryad (common)