Shard of Betrayal

Whenever a creature dies, put a charge counter on Shard of Betrayal. At the beginning of your precombat main phase, add {b} for each charge counter on Shard of Betrayal.

Of all the wrongs had witnessed in his time on Runeterra, this cut the deepest. How could his own master, who inculcated in Ryze the virtues of control and patience, lose himself so fully to the World Runes? How?!