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 - $1.700
Lightly Played - $1.400
Moderately Played - $1.200
Heavily Played - $1.000
Damaged - $900
Near Mint Spanish - $1.700
Lightly Played Spanish - $1.400
Moderately Played Spanish - $1.200
Heavily Played Spanish - $1.000
Damaged Spanish - $900