Forum:Ultimate Offering ruling?

Can Ultimate Offering be activated multiple times on the same turn? I know it does not say "once per turn", but some people mention that the word "extra" still means exactly this: Once per turn. Now I'm not so sure. The way I figured, as long as I have enough Life Points, I can do another Normal Summon or set until I fill up my entire Monster field zone. Am I right? --NickTheForbiddenOne (talk • contribs) 19:03, October 17, 2012 (UTC)