This is a New Rule that you can add in to any Fluxx deck. It is included in: 5.0, SE, Nature Fluxx, Adventure Time Fluxx, Batman Fluxx, Cartoon Network Fluxx, Chemistry Fluxx, Fairy Tale Fluxx, Firefly Fluxx, Jumanji Fluxx, Marvel Fluxx (as Heroic Sacrifice), Monster, Regular Show, Star Trek Fluxx, Star Trek: DS9 Fluxx.
It says, "Once per turn, you may discard a Keeper you have on the table and Draw 3 extra cards."
This card was originally published in 2010 as a peel-off promo postcard to promote the release of the second edition of EcoFluxx. It was recreated as a loose card in the spring of 2014.