Copy: Command>C
Paste: Command>V
Paste Attributes: Shift> Command>V
Undo: Command>Z
Redo: Shift>Command>Z
Play: L or Space
Stop: K
Play Reverse: J
Play Head Snapping: N
Add Marker: M
Volume: Command> + or -
Move anchor clip for audio: Place play head where you would like to move anchor. Press Command>Option> Click the audio clip that needs a new anchor.
Mute Video/Audio Clip: v
Open Multi-Cam: Shift>Command>7
Multi-Camera Selection: 1 2 3 4
Select Tool: A
Blade Tool: B
Trim Tool: T
Range Selection: R