(El chupacabra and bigfoot are not at all the same thing. A chupacabra is a vampiric creature that goes after farm animals specifically and drinks their blood. In some depictions it kind of looks like a coyote.. and I think in general most depictions are at least canine. Also the name literally means goat sucker >_< ... as far as names for mythical creatures it really got the short end of the stick.) Void pony: you have no horn/spells, no wings, no earthly senses (pinki/cheasy sense etc)/no deaper understanding of the land (like granny smith or Zacora)/no enhanced strength (like applejack or big mac). You are a fully non-magical .. talking colorful pony.
Brown and sticky potion. You turn into something brown and sticky, fecsies-fescies-poop How do you spell feces-feses?
Audio dubbing potion; from now on, if anyone speaks a foreign language within earshot, you have to translate.