Wanting to experience JailBreak

Hello Everyone, I am a jailbreak lover but never experienced having a jail broken phone. I know the latest ios versions dont have full jailbreak available i.e ios 18 etc. So i need you humble suggestion on which i phone should I purchase and which ios in particular to start experiencing jailbreak. Years back i has iphone 5 with 9.0 iOS installed on it but at that time pangu jailbreak was released for ios 9.2 64 bit phones so I wasnt able to experience thats. Any suggestions on which i phone should i buy which ios and any jailbreak guides please Many thanks for reading