While attempting to build a 
Talisman of Ascension for 
Garen, I bought 
Rejuvenation beads and a 
chain vest, but could not upgrade them to a 
raptor cloak. The button was greyed-out. Ironically, I was able to buy the Talisman itself as after a few seconds of frustration, I found myself with enough money. This was in ARAM.
http://matchhistory.na.leagueoflegends.com/en/#match-details/NA1/2235393059/34302524
Dominick Destine2 votes[{quoted}](name=Uma no Hone,realm=NA,application-id=LqLKtMpN,discussion-id=yWxKEq8O,comment-id=,timestamp=2016-07-07T19:24:09.840+0000)
attempting to build a
What were you doing playing support Garen?
This was in ARAM.
Ah okay that makes more sense.
DREADN0UGHT1 votesBeat me to it.
Uma no Hone1 votesCDR, Health regen, speed, more speed, free gold, and now it has armor? It's a shame about the wasted mana regen, but this looks like a great garen item to me.