Why not keep wings AND bonewalls?
Changing the mummies, the flesh spider and 2 recluses in wings would give you a much better winning chance with a fast Arsenic/OE.
If it weren't for Eagle's Eye, this would be an easy win for Death, since 5 Wings = 25 turns of complete shutout. But with it, you've only got ~15 turns at best. Still seems like the match should have gone the other way - I would have dropped the recluses/spider, leaving 32 cards, enough for deckout.
Let's say we use this:
Bonewall blocks first creatures that come+EE for a while, wings take care for the rest of the match.
If we take it like that it would be a match of fast Arsenic damage(before wings)+dragon spam to kill in the end or a match of Owl's eye killing creatures to feed the bonewall while in the same time, damaging.
I think this deck had a way better win chance, of about 60-65%.