That looks like the same deck of cards I bought a couple of years ago.
It's not apparent from the site, but the back of each card is different, so it's kind of the ultimate in "marked cards" <img src="/images/graemlins/laugh.gif" alt="" /> (Each card has a different edible plant on the back, with a description of how it is used on the front, along with a suit and rank.)
You can play solitaire but poker would be difficult. <img src="/images/graemlins/laugh.gif" alt="" />
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"The mind is not a vessel to be filled but a fire to be kindled."
-Plutarch