When this card enters play, search your deck for a Friend, reveal it, put it into your hand, and shuffle your deck.
I theorize that Pinkie Pie may generate what I call a 'Friendship Field', which slowly renders ponies incapable of resisting Pinkie as thair friend. If true, the ramifications are exciting and terrifying. This merits further investigation. - excerpt from Twilight Sparkle's early research notes