Tezarand, Lord of Betrayal

First strike, haste, vigilance
Tezarand gets +1/+1 for each Demon creature you control.
Tezarand has indestructible as long as you control a creature named Griselbrand.
Tezarand has flying as long as you control a Dragon.
{2}{b}{r}, {t}, Sacrifice a creature: Gain control of target nonplaneswalker permanent.