With Raticate's "Transfer Junk" attack, what if I don't have all 3 types of Team Plasma cards, Pokemon, Trainer & Energy in my discard?
Take one of each type that you do have.
Source: Plasma Freeze FAQ (2013-05-16), TPCi Rules Team (2013-05-16)

Relevant cards

Note: All applicable cards may not be listed below.
BW9_88