Eris can't seem to catch a break, but when given a one in infinity chance to make a difference she takes it... Now the question is how much of a difference is she going to make in a world where Equestria hasn't been founded yet?
I myself, am an amateur scientist, so naturally when offered to go on an expedition to take samples from an active volcano I accepted, although falling in and waking up in a new world as a burning horse no less was not what I was expecting.
A human of low character dies and gets sucked into Equestria as a copy of Twilight. The new mare then proceeds to cause chaos for the ponies, but she tries to help... and, more importantly, make some money
An amnesiac Commander Shepard has been living and thriving in the Everfree Forest for several months. Saving the life of a passing pegasus sets a chain of events in motion that could change Equestria forever.
Midsummer Night, a Mark-II Jaeger, finds itself in the inky depths of an unknown ocean after a botched brawl. Seems they may have got a bit more than they bargined for though...