my idea was more on the lines of showing my presence downstairs so the main attention is on me, not ryker, throwing some trash-can, ramming into a vending machine, so that they see that there is someone invisible there, but as for my threshold they would have difficulties to pinpoint me. so most of the group would try to catch me at least the should as they would be oblivious to Ryker's presence.
Secondly we do not need to use the stairs, Sam can easily jump over the side of the balcony, even if making noise that would only help his agenda.
Would that work?
just seeing from real life point of view, this is a bit riskier for Sam, but that would leave Ryker much more time and space to get down, and going trough a group of 5 is borderline insane as a infiltrator + baggage.