Istra, Bell-Cursed

Flying
When Istra, Bell-Cursed enters the battlefield,
create Tolling Bell, a legendary artifact that has
Tolling Bell cannot leave the battlefield.
When a creature you control dies, exile it and put
a noise counter on Tolling Bell.
You may play cards exiled with Tolling Bell.
They cost {2} less to cast.
At the beginning of your upkeep, you lose {1} life for each noise counter on Tolling Bell.