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Wizard. Too close for a midrange.
I prefer Z Wasp, or Z Drone. Let the disc do the work.
Kinda curious what your Champ Wraith is for at that range? I sometimes use a Champ Firebird for extreme hyzers or skip shots for this range so I'm guessing it's a similar situation.
Otherwise I would think a putter would be best in this range. Maybe a mid if it's windy or if you need a little bigger hyzer shot than you are comfortable using your putter for.