Actually, that’s probably enough, because somebody with a magic implant can either
do a full dump 
with MCT App
or
use their PM3 to get the keys that way
since you were clever enough to take your PM3 with you and you want to play
Ragebolus/Equipter just posted something recently that will help
If you can’t use your laptop at the door, you could try offline sniff, you will need a powerbank , and the commands /lights will depend on the offline library you have…which is probably Sammy Kamkars
Here’s some great further reading collated by @Concorde
https://forum.dangerousthings.com/t/handy-dandy-tips-and-tricks/13041/16?u=pilgrimsmaster
Range / compatibility would be another good thing to know, but you won’t be able to do that without an xM1 of FlexM1, maybe this is the motivation you need to get a Flex or xM1 implant.
I always travel with at least a T5577 and a MF1k gen2 card for testing before writing to implants
I reccomend KSEC for test card bundle and magic card pack to get them in one place, and the shipping is much cheaper than it was.