At the beginning of your upkeep, put a time counter on Time Bomb. {1}, {T}, Sacrifice Time Bomb: Time Bomb deals damage equal to the number of time counters on it to each creature and each player.
NM-Mint - $0.70
Lightly Played - $0.70
Moderately Played - $0.60
Heavily Played - $0.60
Damaged - $0.50
NM-Mint Non English - $0.70
Lightly Played Non English - $0.70
Moderately Played Non English - $0.60
Heavily Played Non English - $0.60
Damaged Non English - $0.50