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 - £0.40
Lightly Played - £0.40
Moderately Played - £0.30
Heavily Played - £0.20
Damaged - £0.20
Near Mint Non English - £0.40
Lightly Played Non English - £0.40
Moderately Played Non English - £0.30
Heavily Played Non English - £0.20
Damaged Non English - £0.20