R5 5* choice: Clair Voyant or Warlock

Simple question, which one would you R5? Right now I have two R5 mystic (Sym Supreme and Magik), as well as one R5 Tech (Darkhawk)and an R2 6* Tech (Ghost).
Which of those two options do you think is better and why?
Which of those two options do you think is better and why?
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Comments
Agree with Warlock...have him duped 6* r2 and really fun and useful