As Shineshadow Snarl enters the battlefield, you may reveal a Plains or Swamp card from your hand. If you don't, Shineshadow Snarl enters the battlefield tapped.
Near Mint - $1.75
Lightly Played - $1.75
Moderately Played - $1.50
Heavily Played - $1.00
Damaged - $1.00
Near Mint Non-English - $1.75
Lightly Played Non-English - $1.75
Moderately Played Non-English - $1.50
Heavily Played Non-English - $1.00
Damaged Non-English - $1.00