Musician

Cumulative upkeep {1} (At the beginning of your
upkeep, put an age counter on this permanent, then
sacrifice it unless you pay its upkeep cost for each age counter on it.)
{t}: Put a music counter on target creature. If it
doesn't have "At the beginning of your upkeep,
destroy this creature unless you pay {1} for each
music counter on it," it gains that ability.