Logging:

?logs
?logs channel
?logs message
?logs roles
?logs server
?logs member

Giveaways:

?start {time} {S|M|H|D} {Winners} {Prize} {#channel}
|>Example: ?start 3 D 2 Nitro #giveaways -- Time: 3 Days, Winners: 2, Prize: Nitro
?reroll {message id} {#channel}r

Music:

?join
?leave
?play {song}
?pause
?resume
?now
?queue

Image / Meme Maker:

?drake
?button
?fire @user
?simpsons {message}