I have a couple sets of pads for Shimano® XTR 03-07, Deore LX 05-07, XT 04-07, and SLX 09. $5 per set. Similar pads sell for $21 plus tax at Mountain Equipment Co-op (https://www.mec.ca/en/product/5019-659/Shimano-XTR-03-07-Burly-Brake-Pads)
For Shimano® XTR 03-07, Saint 04-07, Deore LX 05-07, XT 04-07, and SLX 09 disc brake systems.