Tips for power and toughness stickers: Power and toughness stickers set the base power and toughness of a creature to new values
Second Sunrise Second Sunrise was a key ingredient in a combo deck called Eggs, best described as Longform KCI. Eggs would sacrifice Chromatic Sphere, Chromatic Star, and other cheap artifacts to draw cards, then get them all back from the graveyard with Second Sunrise
You can find everything here: new sets, out-of-print staples, foil variants, and budget picks
Tarkir: Dragonstorm has been fully released and we've got tons of great cards to consider for all kinds of formats like Commander, Five Color, Type Four, Highlander, Peasant and Pauper and loads more
The Pikachu Illustrator, with roughly 39 copies known
So you cannot use one creature to pay for multiple sacrifice costs at the same time, nor can you play an instant that your opponent has already forced you to discard to still gain its effect