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A useful command that doesn't already exist is one where the user can check which moves thaw the user. It could work as: /ds thaw { moves that thaw the user output } . This could be further developed to make a command for moves that have a chance to burn, freeze, or poison, and high critical hit...
Every Random Battles team should have a Defogger or a Rapid Spinner, or any type of hazard control. It is unfair to the player if the opponent can stack hazards and the player can't remove them. Also, can the public have a say in the movesets that are submitted to the Random Battles database...