While it can be used to get cards into your graveyard so you can begin the dredging process, it is often dangerous to do so if you have no other way to draw cards and dont have your third land yet for a turn 3 Flashback
Madness Madness, as seen in Emrakul, the World Anew, is on the more let's jump many hoops end of the spectrum when it comes to complexity
Credit: Wizards of the Coast Planar Atlas FromTheShire: Solid rock with a nice rider to help you hit your land drops on time
Black Colorful Chocobo are printed in Japanese only, Neon Colorful Chocobos are printed in English only, both can be found in Collector Boosters of any language
Similarly, finding a 1st Edition Shadowless card is even rarer
Draw Phase: Draw 1 card from your Deck