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.
Near Mint - $1.200
Lightly Played - $1.000
Moderately Played - $800
Heavily Played - $700
Damaged - $600
Near Mint Spanish - $1.200
Lightly Played Spanish - $1.000
Moderately Played Spanish - $800
Heavily Played Spanish - $700
Damaged Spanish - $600