Magic Suppression vs. PvP Defense

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Hey Guys - I have a question as a chanter. I just got rolled by a magical class in 1v1 Arena. because he was hitting 100% of his shots, even through my magic resist. So I thought it might be time to start a magic suppression set. But now I am very much unsure how the ratio of msupp to PvP-Def is.

These are the Sets I think are worthy to think about: https://aion.aspirine.su/#!SI14civ

If I'd use the Danuar Leather Set for PvP attack - I will get like 2200 Msupp with 5% PvP Deff, while my Officer 2 Gear has like 1400 Msupp but with 33% PvP Deffense.

Can someone explain to me how exactly will the Msupp work and affect the overall damage?

Thank you very much!