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 - $1.10
Lightly Played - $1.00
Played - $0.80
Heavily Played - $0.70
Damaged - $0.60
Near Mint Non-English - $1.10
Lightly Played Non-English - $1.00
Played Non-English - $0.80
Heavily Played Non-English - $0.70
Damaged Non-English - $0.60