[@rush99999]Nothing really fits Deadpool except the white ring.  I don't think he'd really want to use it to heal/resurrect people without an emotional reason, though, so he'd probably be stuck with just basic constructs, flght, etc.  No powers from the other Lantern types, either.

[@RumikoOhara]This is a [url=https://en.wikipedia.org/wiki/Emotional_spectrum]wikipedia article on it[/url], just for the details, but basically, they choose someone that displays a strong affinity for their emotion.  They are usually recharged from a lantern (which we'll assume you have with you upon arrival).  They let you create constructs, solid objects made of "hard light" (like star trek holograms) that are the color of the emotion.  They also let you fly, can easily project a forcefield around you, and may have other abilities based on the emotion.  Blue (hope) for example can heal people when a Green ring is nearby.