Sooo I kinda got stuck on Samson...He hits way too hard and I even tried to set up a Trick Room + a Glitch Field (just to make Dark-Type attacks to Normal-Type)
Mostly his Hawlucha is the biggest problem and Hariyama...
Sooo my current Team for Samson is:
Silvally Lv 67 Item: Dragon Memory
Ability: RKS System
Multi-Attack
Double Hit (Move get changed - need a Heart Scale)
X-Scissor
Iron Head
Sableye (Dark/Ghost) Lv 65 Item: Amplified Rock
Ability: Prankster
Knock Off
Ally Switch
Gravity
Recover
Arc