Maglor, Voice of Woe

Kinslayer- Whenever this creature deals combat
damage to an opponent, each player sacrifices a creature.
Whenever a nontoken creature is sacrificed, you
may pay {2}. If you do, put a ballad counter on
Maglor, Voice of Woe, then lose 1 life for each
counter Maglor has on it.
Enchantment spells you cast cost {1} less to cast
for each ballad counter on Maglor.