Merlin, the Nazgul

Every time an opponent denigrate bass guitar or
the Red Hot Chili Peppers, put a +1/+1 marquer
on Merlin.
{t} YOU HAVEN'T PAY YOUR
MEMBERSHIP FEE!
For each creature, its controller sacrifices it
unless they pay {2}.
Soul of Sound, Au'R'Kestra, Ultrason...
Which association I haven't played with yet?