This skill has allowed players to ranked up and even reach KoG. A very flexible skill that can be used to variety of decks. It is even used by players who reached top ranked in previous KC cup. Highly recommended skill to all.
@ anon: they are giving it a slight nerf on the May 23rd update, you will need to lose 1000 lp before using it, as opposed to being able to use it for free. It's about time, as Switcheroo is WAY over-centralizing, and they probably saw that when 95 out of the top 100 decks in the KC Cup were Switcheroo Bandit Keiths. It'll still be highly viable, but will make way for more creative deck builds.