I think a female pied het ghost is a great idea. I'd also grab a calico hypo or maybe like a calico enchi het hypo. Breed your male to your hypo spider and then breed the banana het/hypo spider (maybe even with mojave) you hopefully get to either of those females and bam!
Of course you could just get a calico female but I think the possibility for enchi and/or hypo would make it even better
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