A Rotation Game mode should be Summoners Rift with every item in League of Legends since CB / Alpha
Smuggle in a http://vignette3.wikia.nocookie.net/leagueoflegends/images/b/b4/Cloak_and_Dagger_item.png/revision/latest?cb=20130319090239 cloak and dagger for http://vignette2.wikia.nocookie.net/leagueoflegends/images/b/bf/Malady_item.png/revision/latest?cb=20130319090712 malady
Gives newer players a chance to experience how different League of Legends used to be simply because of items.
Bringing back some of the "chance" items would also be interesting to see in present League of Legends.
Just an idea.
Some sources for items you may have never heard of, http://leagueoflegends.wikia.com/wiki/Category:Removed_items http://leagueoflegends.wikia.com/wiki/Category:Items
DFG!!!!
Bankplank!
FORCE OF NATURE!

! 2k AP veigar! 2k mana shield blitzcrank!
Hello, my name is Ryze. I'm here to collect my automatic free win. Please leave your kill gold in the box. The fountain is that way. Thank you for your cooperation.
Is still in Twisted Treeline, a very similar item.
) and removing the limit on gold items. People need to experience moneyplank in his true form.