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 - $9.00
Near Mint Non-English - $9.00
Lightly Played - $8.10
Lightly Played Non-English - $8.10
Played - $6.30
Played Non-English - $6.30
Heavily Played - $5.40
Heavily Played Non-English - $5.40
Damaged - $4.50
Damaged Non-English - $4.50