2 – If Taker Loses he retires
Paul Heyman being the businessman he is, could brag that Lesnar is a bigger star than Taker. Making his point clear Heyman could say that “Lesnar doesn’t fight for free and the streak isn’t big enough for him”. This is going to force Taker to put something bigger on the line and there won’t be anything bigger than his career.
Having Taker’s career on the line is a sure ticket seller no matter how old he is as fans will be coming with the expectation of witnessing a historic moment.
Lesnar being the dominant beast could easily make it happen as well thus leaving Taker in some kind of precarious situation.
Threat to the career and streak will make this one a big hit and the lack of any violent stipulations will also make this one safe for prolonging Taker’s stay in the business.