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 - $14.00
Lightly Played - $12.60
Moderately Played - $11.20
Heavily Played - $9.80
Damaged - $7.00
NM-Mint Non English - $14.00
Lightly Played Non English - $12.60
Moderately Played Non English - $11.20
Heavily Played Non English - $9.80
Damaged Non English - $7.00