Black Kyber Crystal

Black Kyber Crystal enters the battlefield
tapped.
{t}, add 1 {b} mana to your mana pool.
—"I didn't know Mandalorians developed a
type of lightsaber.""We didn't, this was one of
a kind. Legend tells that it was created over
a thousand years ago by Tarre Vizsla,
the first Mandalorian"—