There's vs. computer scenarios you can practice with inside LoN. Seems like there's a tutorial in there too, but I can't remember for sure. All I ever do is open packs and redeem items also.
Maybe this, but didn't look too promising to me: http://www.tentonhammer.com/node/55331
Yther Ore.
Edited, Mar 8th 2013 11:45pm by Yther