Drukhari vs Deathwatch

Playing against deathwatch next week for first time. Using SSA and old rules as we started a mini tournament within our hobbydad group and don't want to learn all new rules halfway through

Ant recommendations of how best to play against these Xenos hating Marines. His list includes a lot of infantry, x2 corvus blackstars and a repulsor.

Current list below as want to give Urien, Beast pack, grots a last hurrah before going using the new codex next year. But also want to use my hellions and reavers. Too many options

Archon Court of the archon Kabs x10

Lelith Wyches x10

Succubus Wyches x10

Urien Wracks x5 Grots x6

Raider x2

Venoms x2

Beastmaster

Mandrakes x10

Scourges with haywire blaster x5

Scourges with shardcarbines x5

Cronos

Talos with twin haywire

Blasters x2

Ravager with dark lances