I choose Sara my female gible.

Triton start with a wide ranged icy wind. Then use water pulse on Prick and finish with ice beam to Marauder.

Sara, Start with sandstorm. Follow that up with stealth rock and finish with aerial ace to prick if hes still around or dragon breath to marauder if prick has fainted.

Triton: Icy Wind ~ Water Pulse (Prick) ~ Ice Beam (marauder)
Sara: Sandstorm ~ Stealth Rock ~ Aerial ace (prick)/Dragonbreath (Marauder)