avenged sevenfold is not metal
im sorry but no
check out
unearth, through the eyes of the dead, Kalmah, all that remains, all shall perish, amon amarth, arch enemy, children of bodom, darkest hour, in flames, lamb of god, nile, the black dahlia murder, the red chord, 3 inches of blood.
all of these bands are 100% more metal than a7x
edit: bullet for my valentime isnt real metal either
edit: yes pig destroyer is awesome!, and i love black metal! dimmu borgir, behemoth