Mother of Izalith

Lord over shamans, attune 3
Whenever you cast an instant or sorcery spell,
create a 1/1 human shaman creature token with
attune 1.
Consumed {2}{b}{b}:Sacrifice all shamans you
control. Create a 2/2 black demon creature token
for each shaman destroyed this way. Activate only
if you control 8 or more shamans.