A dragon's scale can be carved into a mighty shield, provided you can procure a dragontooth to cut it.

Shivan Hellkite

Flying
{1}{R}: Shivan Hellkite deals 1 damage to target creature or player.

Flying (This creature can't be blocked except by creatures with flying or reach.)
{1}{R}: This creature deals 1 damage to any target.

Flying
{1}{R} Shivan Hellkite deals 1 damage to target creature or player.

Forgotten Realms Commander

Flying
{1}{R}: Shivan Hellkite deals 1 damage to any target.

Flying (This creature can't be blocked except by creatures with flying or reach.)
{1R}: Shivan Hellkite deals 1 damage to target creature or player.