Abraham, Leader of Civilians

When Abraham, Leader of Civilians enters the battlefield you may choose to Delve.
When you Delve, return target sorcery or instant
from your graveyard to your hand.
{1}, Create a 1/1 Human Jewish creature token.
Saving Grace: {3}{t}, Grant a blocking creature indestructible and +7/+0 until end of turn, this ability can also be used on opponents creatures.