Commands you can use in Fizzy:

Navigation

@username
Go to to a someone's profile
[id]
Jump to a card by ID

Filtering

#tag
Just show cards taggged [tag]
[id] [id]…
Show multiple cards by ID
[search term]
Keyword search
/clear
Clear all filters

Cards

/assign [person] [person]…
Assign visible card(s)
/close [reason]
Close visible card(s)
/tag [tag]
Tag visible card(s)