In need of an Experienced Real Estate Attorney

Moved into a property located in Northeast PA In mid 2019 in which I signed a residential lease agreement for a period of three years expiring in 2022. Also entered into a notated agreement as well with the landlord as a contractor through my company to repair and enhance the said property at my expense while qualifying for a specific mortgage program. Upon the time of eligibility, an agreement of sale was [login to view URL] after however, the landlord stopped all further correspondence and communication and haven’t heard from the party since. Said property has since gone into the sheriff sale stage of the foreclosure process where upon previous counsel’s advice I did not bid as a third-party under the notion that A previous tax lien attached to the property owner would then be diminished and property delivered with clear title for me to purchase from the original lienholder. At this stage the mortgage company is refusing to have any communication with me or entertain anything subject to the matter of a sale agreement or offer. I do have my original lease agreement and continued paying rent beyond The stopped correspondence from the landlord and myself using the methods that were outlined in the lease. What would be the best strategy from here? Do I enforce a drafted mechanics lien as the contractor repairing the property while it’s still in the first 20 day period before title is transferred? File a motion to stay? as I was never in due process served as a tenant or listed in any of the foreclosure proceedings or sheriff sale motions? Is there a way to have my lease acknowledged and bona fide in the local court? Really just needing to know what the best strategy is at this point would be the most effective.