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.
Near Mint - $0.80
Lightly Played - $0.70
Played - $0.60
Heavily Played - $0.50
Damaged - $0.40
Near Mint Non-English - $0.80
Lightly Played Non-English - $0.70
Played Non-English - $0.60
Heavily Played Non-English - $0.50
Damaged Non-English - $0.40