Hey I bought silver rank on pvplands and I would like to redeem my discount, but I am blacklisted on invadedlands and I can't type any commands so how do I get my voucher/code I'd like to give it to my brother or a friend

ok so my story is........................................ i bought mvp rank my mom chargeback because she want shoes = ban = sad = bored = making appeals = want unban I have cancelled the chargeback and should be unbanned but nobody is responding to my appeals. with 40+ views. plz help meh