Just for kicks, you can figure out what the percent chance was that specific cards in your deck were all the last cards:
100%*C!*(T-C)!
T!
where T is total cards in the deck, and C is the number of the specific cards.
Example:
CCYB has 2 Lava Destroyers. The chance that they are the last 2 cards in you deck is 100*2!*(35-2)!/35!, which if worked out on paper, you get the fraction 2/(34*35) or 2/1190, which is 0.0016806722689075630252100840336134%