At the beginning of your upkeep, put a pain counter on Torture Chamber.
At the beginning of your end step, Torture Chamber deals damage to you equal to the number of pain counters on it.
{1}, {T}, Remove all pain counters from Torture Chamber: It deals damage to target creature equal to the number of pain counters removed this way.
Near Mint - $0.60
Near Mint Non-English - $0.60
Lightly Played - $0.50
Lightly Played Non-English - $0.50
Played - $0.40
Played Non-English - $0.40
Heavily Played - $0.40
Heavily Played Non-English - $0.40
Damaged - $0.30
Damaged Non-English - $0.30