Padma
Colette Baron-Reid's Avalon oracle deck is lovely, gentle and good to use with animals - I worked with it after my dog passed away, and used it to find my new dog. I found it quite on point.
http://www.aeclectic.net/tarot/cards/wisdom-of-avalon/
Regardless of what deck you choose, good luck with your Lab, and listen to your gut!
http://www.aeclectic.net/tarot/cards/wisdom-of-avalon/
Regardless of what deck you choose, good luck with your Lab, and listen to your gut!