Hey Luki !
take a look over here my offer and price for runecoins by sms !
sorry i can't do 400 because by sms is different ! but we can do 320+16 + 160 for 20M deal
160 RUNECOINS = 7,5M,
320 RUNECOINS + 16 FREE BONUS = 15M,
640 RUNECOINS + 80 FREE BONUS = 30M.