At the beginning of your upkeep, put a doom counter on Armageddon Clock.
At the beginning of your draw step, Armageddon Clock deals damage equal to the number of doom counters on it to each player.
{4}: Remove a doom counter from Armageddon Clock. Any player may activate this ability but only during any upkeep step.
Near Mint - £0.10
Near Mint Non English - £0.10
Lightly Played - £0.10
Lightly Played Non English - £0.10
Moderately Played - £0.10
Moderately Played Non English - £0.10
Heavily Played - £0.10
Heavily Played Non English - £0.10
Damaged - £0.10
Damaged Non English - £0.10