1 rulebook
Cards like Lilo, Making a Wish and Stitch, New Dog were just two of the many cheap threats packed into the amber/x aggro shell, with the purpose of getting characters into play as fast as possible, and then using some number of Lanterns or shifting using Stitch, New Dog to get Stitch, Rock Star into play ahead of curve
This makes her a natural fit for players who want engines that scale over time and a commander often cited among the best token commanders in MTG for graveyard-centric builds
Again, ebay will give you an excellent guide to how much these can vary (try doing a search for "Black Lotus" for example)
#2 Prologue to Phyresis In a Proliferate deck, Prologue to Phyresis is perfect both early and late game
Dreams of Laguna Dreams of Laguna seems like an awesome smoothing/value spell for any blue deck, and its even a 4+ trigger for UR