Granny Luck-Out

After the events of Grannies Gone Wild.

Summary
Lady Luck-Out, an elderly former Chancellor for the EEA, pretends to be Granny Smith's new friend so she can trick Rainbow Dash to race against her fast yet disinterested granddaughter, Speed Luck, a pony who, dispite her disinterested attitude, is a pony whose speed surpasses Rainbow Dash so she can make Granny Smith bet the legal ownership of the School and pretty much win.