For my conditions, it seems that 50/50 hardwood saw dust/wheat bran is performing better than standard masters mix. It's probably a hair too humid for it in my tent, but it's gotta be higher for the oysters that are fruiting now.
(That is a 5lb block of substrate)
My favorite is the King Trumpet, but if I had access to this at a reasonable price I’d love to try it.
Those and blue oysters are going to be next in my lineup of mushrooms and I can't wait to grow some!