+atk -def m-robin

Is this still salvageable? I plan to create an awakebing themed party with chrom, w! Lissa, S!fred and robin (either mail or the summer one) sadly summer one doesn't like me and all the m!-robin's i've pulled, this was the best boon (actually want a +atk -spd or -res) sadly the bane would really hurt him as i want to make him a colorless and red unit check. Can I still use him? Or should i keep pulling fo better ivs?