Some picks out of the US Prime Razer deal.
Razer Seiren X USB Condenser Microphone $78.65 Delivered
Condenser microphone made for streaming
Super cardioid pick-up pattern to reduce background noise
Built-in shock mount to dampen vibrations
Zero-latency 3.5 mm headphone monitoring port
Allows you to deliver your voice loud and clear to your audience
Razer Viper Mini Ultralight Gaming Mouse $31.98 Delivered
Looks like the cheapest yet, previous deals as low as $34.xx.
Lots of other Razer stuff via the link.
Basilisk X deal here