That clause is generally called a "capital event restructuring provision" or sometimes a "waterfall reset on additional capital," though the naming varies by drafter. It is not standard boilerplate. Most well-drafted LP agreements handle supplemental capital through a separate capital call mechanism that preserves the original waterfall, or they tier the new money in at a different return threshold without touching the existing distribution order. Language that gives the sponsor broad discretion to restructure the waterfall itself is materially different from that, and the distinction matters.
The assumption doing the most work in your current analysis is that "additional capital or new financing" is a narrow, clearly defined trigger. Read that clause again and ask: does it define what qualifies, who determines whether the threshold is met, and whether LP consent is required before the restructuring takes effect? If any of those three are absent or vague, the sponsor has a wide gate and you have limited recourse once the refinance closes.
The risk you did not mention is timing. A year-three refinance is exactly when a value-add sponsor is at peak negotiating leverage, occupancy is up, the asset looks good on paper, and the LP has already paid in and has no exit. That is the moment when a loosely drafted waterfall provision is most likely to get used, and least likely to be in your favor.
Whether a competent attorney negotiates it out depends on your leverage in the deal. At $50k you probably accept what you get. At $250k or above, with a sponsor who still needs the round filled, you have standing to request either a strike of the restructuring provision or a redline that requires majority LP consent before any waterfall modification takes effect. That consent requirement is the standard protective mechanism. Ask the sponsor's counsel what the intent of the language is in writing, because the answer will tell you more than the clause itself.
This is squarely a question for a securities or real estate attorney before you sign. One conversation with counsel who has reviewed LP agreements in this structure will cost you a fraction of your minimum investment.
What does the clause say about LP consent specifically, and is there a supermajority threshold anywhere in the operating agreement for material amendments?