http://www.d3publisher.us/Walkthroughs/Ben_10_General_walkthrough.pdf

after u beat the 2nd fight, if u look carefully, the background is drawers. hundreds of
them. u'll notice that 3 drawers r opened n they r stack higher from ta left 2 right. use
fourarms 2 jump 2 ta 3rd drawer. then u change 2 wildvine, press B which is ta jump
button, strech ur hand upwards by pressin' up n A button. then u notice 3 green round
cactus plants floatin'. then juz keep streching ur hand 2 ta left n tere is ur sumo
facking shyt card!!!