Sentry of the Underworld

Flying, vigilance
{W}{B}, Pay 3 life: Regenerate Sentry of the Underworld.

Flavor Text: When Athreos gathers the newly dead to be ferried across the Five Rivers That Ring the World, he sends skeletal griffins to fetch those who stray.

Card Details:
Set: Theros
Collector Number: 202
Artist: Dave Kendall