Most of the bounce spells below are pretty cheap, save for #1, (with a few exceptions) and cost very little to acquire on the secondary market
Theres some obvious self-synergy there, but you also get an extra counter on something when you cast a non-creature spell
Targeted removal: Swords to Plowshares, Pongify, Beast Within, etc
The ultimate level is of insane power and wins games faster than consecrated sphynx if not dealt with but it is the initial body that takes most of the credit for his high rating
It works as a great sacrifice target and is a combo material
It becomes cheaper to cast as the game progresses and the graveyard fills up, and it even lets you take control of your opponent so you can make them enact their own demise