Best closers ive seen are Within My Blood by Skeletontits and Chant for Eschaton 2000 by Behemoth.
The first thing that comes to mind for openers isn't a real opener, but they usually play it 2nd - Nile's Sacrifice Unto Sebek.
1/12 - Entombed A.D. w/ Full of Hell
1/26 - Inquisition w/ Truckfighters
1/28 - Starkill w/ Spellcaster
2/11 - Marduk w/ Incantation