Multiverse Design Challenge: Virtual Booster

Slumbering Sphinx    R  Creature – Sphinx Whenever an opponent declares attackers that player chooses 'defense' or 'acceptance'. Whenever you are attacked by an opponent who chose 'defense' and you did not block, draw two cards. Whenever you block, if the attacking opponent chose 'acceptance', draw two cards. 3/8	Stalwart Shield    U  Artifact – Outfit Burden 2 (: Attach or unattach Stalwart Shield to you. X is equal to the combined burden of all outfit attached to you, plus 2. Burden only as a sorcery.) As long as Stalwart Shield is attached to you, prevent the first 2 damage dealt to you each turn.	Ranna, the Sleeper    U  Artifact , Sacrifice Ranna: Tap all creatures. They can't attack during their controller's next turn.	Observer's Outpost    U  Land – Island (: Add to your mana pool.) Observer's Outpost enters the battlefield tapped. Whenever a Mountain or a Forest enters the battlefield under an opponent's control, you may pay . If you do, look at the top two cards of that player's library and put them back in any order.
Flashing Forgeling    C  Creature – Elemental Spark — Whenever Flashing Forgeling is dealt damage, it deals 2 damage to each player. 1/1	Despised Ambassador    C  Creature – Vampire Advisor Whenever a creature blocks or is blocked by Despised Ambassador, it gains lifelink until end of turn. It appears you killed the ambassador. Don't worry too much, no one liked him anyway. 2/2	Hippocamp Skirmisher    C  Creature – Hippocamp When Hippocamp Skirmisher blocks, it and up to one other target creature you control gets +0/+2 until end of turn. 2/2	Dominarian Bears    C  Creature – Bear : Dominarian Bears gets +1/+1 until end of turn. Don't try to outrun one of Dominia's Grizzlies; it'll catch you, knock you down, and eat you. Of course, you could run up a tree. In that case you'll get a nice view before it knocks the tree down and eats you. 1/1
Daredevil Pilot    C  Creature – Human Aviator Pilot (When this creature attacks, if an artifact creature with flying is also attacking, this creature can't be blocked this combat.) 2/2	Wolf-Eyed Raider    C  Creature – Shapeshifter Berserker When Wolf-Eyed Raider attacks, it goes berserk 2 (it gets +2/+2 until end of turn. At the beginning of the next upkeep, put a -1/-1 counter on this creature.) 2/2	Cavern    C  ∞ Land – Cavern : Add to your mana pool	Forethought    C  Instant Look at the top four cards of target player's library. Put one of those cards on top of that player's library and the rest into his or her graveyard.
Challenge # 116    C  Challenge – Alara Make a common or uncommon Alara mini cycle for Bant or Grixis.	Resilient Thallid    C  Creature – Fungus When Resilient Thallid enters the battlefield, put a 1/1 Saproling creature token onto the battlefield. Unearth (: Return this card from your graveyard to the battlefield. It gains haste. Exile it at the beginning of the end step or if it would leave the battlefield. Unearth only as a sorcery.) 1/1	Challenge # 018    B    Design 3 cards with a casting cost that includes the "purple" mana symbol. See Comments for more details.	Human Survivor  T  Creature – Human Survivor The library is gone; my life's work undone. But the future remains. 0/1

Slumbering Sphinx (rare)
Stalwart Shield (uncommon)
Ranna, the Sleeper (uncommon)
Observer's Outpost (uncommon)
Flashing Forgeling (common)
Despised Ambassador (common)
Hippocamp Skirmisher (common)
Dominarian Bears (common)
Daredevil Pilot (common)
Wolf-Eyed Raider (common)
Cavern (common)
Forethought (common)
Challenge # 116 (common)
Resilient Thallid (common)
Challenge # 018 (basic)
Human Survivor (token)