Originally Posted by
YVR Cockroach
GE doesn't work entering Canada. What it may do for you is speed your way through U.S preclearance and security, if you bring your GE card.
Though you may need your GE card to access expedited security screening at YUL, you don't need (or even can use) the card for US pre-clearance. Your GE status is accessed directly through your US passport.