At the beginning of your upkeep, you may flip a coin. If you win the flip, put a fuse counter on Goblin Bomb. If you lose the flip, remove a fuse counter from Goblin Bomb. Remove five fuse counters from Goblin Bomb and sacrifice it: It deals 20 damage to target player or planeswalker.
NM-Mint - $16.40
Lightly Played - $14.80
Moderately Played - $13.10
Heavily Played - $11.50
Damaged - $8.20
NM-Mint Non English - $16.40
Lightly Played Non English - $14.80
Moderately Played Non English - $13.10
Heavily Played Non English - $11.50
Damaged Non English - $8.20