Lucky Block Spiral Mod 1.8, 1.7.10, 1.7.2 is an addon of lucky block mod. There are about 180 or so new drops and about 50 modified default drops... lots of new things.

This mod  also added some worldgen (also through Loot++) so you may find some spiral lucky blocks randomly in your world...

This now requires Lucky Block Spiral Mod 1.8, 1.7.10, 1.7.2