Split Decision was first released in the set Conspiracy, illustrated by Robbie Trevino
While it was strong then in its basic control form, the added bounce mechanics add a lot of possibilities to outflank your competition, and beat them flat out in the race to twenty lore
When you "flicker" (aka "blink") a permanent card with Ghostly Flicker, it becomes exiled and then returns to the battlefield as a new object, thus negating any spell or ability that was trying to target it prior to the resolution of Ghostly Flicker
If you are active member or user of one of those marketplaces, you may have a good sense of what things are selling for but you will only have visibility into the groups or streams that you actively participate in leaving a lot of unknowns
Its not fast though, but it can be done
At that point your ability to make plays starts to suffer more than you need it to, and it aint worth it