Defiled Seraphim

Indestructible, Flying, Defender
At the Start of your Upkeep, Each Player Loses 3
Life , Put a Choir Counter on This Card.
{t}, Remove 3 Choir Counters: Each Player Loses
3 Life and Sacrifice 3 Nonland Permanents.
"Dark Times in the Heavens...When a Seraphim
Sings not Holy Jehova's Name, but of another..."
-Apocryphal Text