Multiverse Design Challenge: Virtual Booster

Sentinel Beast    R  Creature – Beast Defender Whenever a creature attacks you, put a +1/+1 counter on Sentinel Beast. Remove a +1/+1 counter from Sentinel Beast: Sentinel Beast loses defender and gains trample until end of turn. 0/1		Swimming Lessons    U  Sorcery Crash (Before combat, you may sacrifice an island instead of paying the casting cost. If you do, exile this instead of putting it into your graveyard.) Target creature is unblockable until end of turn.	Runebreaker    U  Creature – Dwarf Runecaster , : Put a colorless Rune enchantment token onto the battlefield. Runes you control have "Sacrifice this: Target creature gets +1/+0 until end of turn." 1/1
Challenge # 002    C    Create a cycle of 2/2 creatures with maximum converted mana cost of (ie , , etc – though each card must have the same converted mana cost) each with a non keyword ability that links them in an obvious way. You can create them at any rarity but your entire cycle must be of the same rarity.	Late    C  Sorcery Return target creature to it's owner's hand. At the beginning of your next turn, place Late on the stack, then transform it. Never    C  Sorcery Destroy target nonblack creature.	Sludge Skeletons    C  Creature – Skeleton Mutant : Degenerate Sludge Skeletons. (Exile Sludge Skeletons, then search your library for a Creature spell with a converted mana cost of 1 or less. Put that creature onto the battlefield under your control, then shuffle your library.) 1/1	Knight of the Starlit Eye    C  Creature – Elf Knight Ethereal (This creature may attack and activate abilities from the exile zone, and can block other exiled creatures as long as it is exield.) When Knight of the Starlit Eye dies, exile it. 1/1
Dense Undergrowth    C  Terrain Creatures attacking you get -1/-0 and lose First Strike and Double Strike until end of turn. Its hard enough to find the enemy in here, let alone fight them effectively.	Challenge # 107    C  Mana Source Create a card that produces mana with a restriction or bonus.	Lightning Spear    C  Instant Lightning Spear deals 3 damage to target creature or player. If Lightning Spear deals damage to a creature, it also deals 1 damage to its controller.	Ceaseless Fever Dream    C  Enchantment Whenever an opponent draws a card, Ceaseless Fever Dream deals one damage to them.
Light Schooner    C  Creature – Ship Light Schooner has protection from non-ship creatures. 1/1	Giant Bullfrog    C  Creature – Frog Trample "That's the biggest frog I've ever-" -Nibb, goblin explorer, last words 3/3	Challenge # 018    B    Design 3 cards with a casting cost that includes the "purple" mana symbol. See Comments for more details.	Shapeshifter  T  Token Creature – Shapeshifter You may have this enter the battlefield as a copy of any creature on the battlefield. 0/0

Sentinel Beast (rare)
Decagon of Rage: Blue (uncommon)
Swimming Lessons (uncommon)
Runebreaker (uncommon)
Challenge # 002 (common)
Late (common)
Sludge Skeletons (common)
Knight of the Starlit Eye (common)
Dense Undergrowth (common)
Challenge # 107 (common)
Lightning Spear (common)
Ceaseless Fever Dream (common)
Light Schooner (common)
Giant Bullfrog (common)
Challenge # 018 (basic)
Shapeshifter (token)