You can learn more about everything included in boosters with Product Architect Mike Turian's Collecting Innistrad: Crimson Vow article, and be sure to see all the delightful card frames themselves in Clayton Kroh's Booster Fun article
Experiment One Experiment One had its day in the sun as a premier 1-drop for zoo decks
On the flip side, opposing creatures that die are exiled instead, shutting down enemy recursion and death triggers
Old One Eye is another insane value card for the Tyranids
Ramp is an important aspect of many decks, and fixing is essential to those running multiple colors
You get the trigger when it enters the battlefield, and with black, there will be many ways to bring it back from the graveyard when it dies to do it all over again, even if you dont make it monstrous