SCP-513, Trauma Cowbell

Equipped creature has "{t}: Put a Stalk counter
on each creature."
On each upkeep, Put a Stalk counter on each
creature with a Stalk counter, then destroy each creature with their number of Stalk counters
greater than their toughness.
Equip {1}
"You've seen it. Now he can hear you.
You've touched it. Now he can see you.
Never ring it. If you hear it, he can touch you."
- Text recovered from Site-[REDACTED]