Multiverse Design Challenge: Virtual Booster

Urza, Artificer Prodigy    M  Legendary Creature – Human Artificer Whenever you cast an artifact spell, you may pay . If you do, search your library for an artifact card with the same converted mana cost and put it onto the battlefield. Then shuffle your library. 4/4	Mirror of Pilfered Dreams    U  Enchantment Whenever you pay a Bend cost you may look at the top card of your library. You may put that card into your graveyard.	Decree of Knowledge    U  Decree (Decrees cannot be affected by spells or abilites.) All players play with their hands revealed. "The ultimate goal of humanity should be to gather knowledge and share it with others."	Grapeshot Ballista    U  Creature – Human Soldier As long as Grapeshot Ballista is in your hand and an opponent throws or drops a card, you may throw this card and any other cards in your hand in response. Return those cards to your hand when the effect is over. First Strike 4/8
You Better Not Cry  C  Scheme When you this scheme is set in motion, you secretly choose 'Naughty' or 'Nice'. At the end of your opponents' next turn, reveal your choice. If you chose 'Nice', this scheme deals 5 damage to each player who attacked you this turn. If you chose 'Naughty', this scheme deals 5 damage to each player who did not attack you this turn.	Whispered Oglond    C  Creature – Horror When Whispered Oglond deals damage, go mad. (Flip two coins. For each head flipped, gain an insanity counter. A player with seven or more insanity counters loses the game.) 4/4	Rubber Band    C  Instant Rubber Band deals 2 damage to target creature or player. Elastic (You may cast this spell for less or more for a different effect.) Less: Rubber Band deals 2 damage to target player. More: Rubber Band deals 3 damage to target creature.	Challenge # 116    C  Challenge – Alara Make a common or uncommon Alara mini cycle for Bant or Grixis.
Limpid Burst    C  Instant Target attacking or defending creature gets -13/-0 until end of turn.	Pale Raider    C  Creature – Horror Warrior Menace "Their bodies are disturbing to behold, and their claws cut through out best-made armor. It is best to avoid the Pale Ones entirely." — Bandfather Argol 3/1	Machine's Solace    C  Instant Prevent the next X damage to target creature or player this turn, where X is the number of artifacts you control. Surrounded by his creations, his deathbed became something else entirely.	Artic Pup    C  Creature – Wolf Ambush (When this creature attacks and is unblocked, you may tap any number of untapped Wolf creatures you control. Those creatures are now attacking.) 2/2
Silverback Scorpion    C  Creature – Scorpion Deathtouch Whenever Silverback Scorpion becomes the target of a spell or ability, Silverback Scorpion deals 1 damage to that spell or ability's controller. 1/3	Focus Fire    C  Strategy Each unit you control strikes target unit. (They inflict damage equal to their power to it) That units controller then chooses one of your units, and Annihilates it. When you can see the green of their eyes.	Challenge # 018    B    Design 3 cards with a casting cost that includes the "purple" mana symbol. See Comments for more details.	Fiend  T  Creature – Fiend Illus. Patrick Ripp 2/2

Urza, Artificer Prodigy (mythic)
Mirror of Pilfered Dreams (uncommon)
Decree of Knowledge (uncommon)
Grapeshot Ballista (uncommon)
You Better Not Cry (common)
Whispered Oglond (common)
Rubber Band (common)
Challenge # 116 (common)
Limpid Burst (common)
Pale Raider (common)
Machine's Solace (common)
Artic Pup (common)
Silverback Scorpion (common)
Focus Fire (common)
Challenge # 018 (basic)
Fiend (token)