Splinter | Magic: The Gathering
Formats Splinter is Legal in
Official Oracle Text for Splinter
Official Rulings for Splinter
2/1/2005 : Splinter can target and exile cards that aren't always artifacts, but are artifacts when Splinter is cast and resolves (such as an animated Stalking Stones). Splinter's exile effect only looks for cards by name, not type.
2/1/2005 : The copies must be found if they are in publicly viewable zones. Finding copies while searching private zones is optional.