When Letter Bomb enters the battlefield, sign it and shuffle it into target player's library. That player reveals each card they draw until they draw Letter Bomb. When that player draws Letter Bomb, it deals 19½ damage to them.
NM-Mint Foil - $25.50
Lightly Played Foil - $23.00
Moderately Played Foil - $20.40
Heavily Played Foil - $17.90
Damaged Foil - $12.80
NM-Mint Foil Non English - $25.50
Lightly Played Foil Non English - $23.00
Moderately Played Foil Non English - $20.40
Heavily Played Foil Non English - $17.90
Damaged Foil Non English - $12.80