Last effect

Command + /

Ctrl + /

2nd Last Effect

Command + Option + /

Ctrl + Alt + /

Tonal Control Adjust Colors

Shift + Command + A

Ctrl + Shift + A

Tonal Control Brightness/Contrast

Shift + Command + B

Ctrl + Shift + B

Tonal Control Equalize

Shift + Command + E

Ctrl + Shift + E

Tonal Control Negative

Shift + Command + I

Ctrl + Shift + I