Seeing Doubles

Create a token that's a copy of target creature you control, except it isn't legendary and has haste.
Exile it at the beginning of the next end step.
You may pay it's Overload cost instead of paying
it's Flashback cost to cast it from your graveyard,
only it costs an additional {2} to cast. If you do,
exile it.
Overload {5}{u}{u}{u}
Flashback {4}{u}{u}