Princess of Friendship

+1: Prevent all damage done by up to one target creature until your next turn, if that creature is a non-pony, non-horse creature, draw a card
-2: Search your library for an Element of Harmony card, reveal it, put it into your hand, then shuffle your library.
-7: You get an emblem with "Whenever a creature dealt damage by a Pony or Horse creature you control dies, gain control of that creature"