The Sixth Color: Virtual Booster

[-] [+]
15 random cards from the set.
You could alternatively have a booster in the usual rarity pattern.
 M 
Planeswalker – Xi-Voxen
+3: Until your next turn, up to three target creatures gain dreamwalk.
-2: Create a purple enchantment token with “Sacrifice this: Add {2} to your mana pool.”
-X: Exile up to X target permanents not named Xi-Voxen, Lucid Realizer until end of turn.
-10: Draw up to fourteen cards from the bottom your library, then put seven cards from your hand on top of your library in any order.
5
 U 
Creature – Elemental
Spells that target Dark Star cost {3} less to cast.
Spells that target other creatures cost {3} more to cast.
All creatures able to block Dark Star do so.
How could you ever hope to ignore it if small worlds failed to do so?
0/8
 U 
Enchantment – Aura
Delusion 8 (When this enters the battlefield, you gain eight life until it leaves the battlefield.)
Enchanted creature has awareness and base power and toughness 0/8. (Effects that say it can’t block another creature don’t apply.)
 R 
Sorcery
Search your library up to X cards, exile them, then shuffle your library. (Reveal the cards as you exile them.)
For each card exiled this way, draw the bottom card of your library.
Maybe there is wisdom in this insanity?
 C 
Creature – Spirit
Delusion 3 (When this enters the battlefield, you gain three life until it leaves the battlefield.)
Dreamwalk (This creature can't be blocked by untapped creatures. Tapped creatures can block it.)
1/3
 R 
Creature – Jellyfish
Awareness (Effects that say this creature can’t block another creature don’t apply.)
You may spend mana as though it were mana of any color to cast spells from exile and to pay costs of exiled cards.
0/4
 M 
Sorcery
For the rest of the game, if you would draw a card, you may skip that draw instead.
Exile all the cards in your library, hand, and graveyard.
Only thing more terrifying than searching for spiritual enlightenment is finding it.
 R 
Creature – Elemental Incarnation
Dreamwalk
If a card would be put into an opponent’s exile, graveyard, or hand, except during his or her draw step, you may have that card be put into exile, graveyard, or hand instead.
When Infinity is put into a graveyard from anywhere, shuffle it into its owner's library.
6/6
 C 
Enchantment
Focus (At the beginning of your upkeep, target creature gets +1/+1 until end of turn.)
The secret of the universe lies within energy. Through frequency and vibration, everything is connected.
 U 
Enchantment
Sacrifice Parallel Possibility: Exile target nonland permanent until end of turn. You may play it from exile this turn. (You still pay its costs. If you play it, it enters the battlefield under your control. If you don’t play it, return it under its owner's control at the end of turn.)
Creature – Homunculus
Delusion 3 (When this enters the battlefield, you gain three life until it leaves the battlefield.)
Focus (At the beginning of your upkeep, target creature gets +1/+1 until end of turn.)
0/1
 C 
Creature – Elf Mystic
{t}: Look at the top card of each library.
{?}: Exchange the top and bottom card of your library.
“Those with the courage to explore the weave and structure of the Cosmos, even where it differs profoundly from their wishes and prejudices, will penetrate its deepest mysteries.”
—Carl Sagan
1/1
 C 
Sorcery
(Spend any amount of mana for {x}.)
Put target tapped nonland permanent with converted mana cost X or less into its owner's library third from the top.
"Get a grip" is a lot more of a warning when you’re dealing with dimensional magic
 R 
Creature – Serpent
At the beginning of your upkeep, exile Astral Ouroboros unless you exile the top eight cards of your library. (Reveal the cards as you exile them.)
Dreamwalk (This creature can't be blocked by untapped creatures. Tapped creatures can block it.)
8/8
 U 
Instant
Choose one —
• Until end of turn, target enchantment becomes a creature with base power and toughness 3/3 in addition to its other types.
• Target creature gains awareness until end of turn. (Effects that say it can’t block another creature don’t apply.)
• Draw the bottom card of your library.

Xi-Voxen, Lucid Realizer (mythic)
Dark Star (uncommon)
Enlightened Presence (uncommon)
Secrets of the Old Gods (rare)
Psychic Embryo (common)
Dreamsource (rare)
Crossing the Abyss (mythic)
Infinity (rare)
Flowing Form (common)
Parallel Possibility (uncommon)
Demented Familiar (none)
Aether Astrologist (common)
Singularity Vortex (common)
Astral Ouroboros (rare)
Forgotten Charm (uncommon)