Ancestral Plane

Exalted (Whenever a creature you control attacks
alone, that creature gets +1/+1 until end of turn.)
{x}{g}, Exile X creature cards from your graveyard: Create X 1/1 green Ancestor Spirit creature
tokens with haste, exalted, and "Sacrifice this
creature at the beginning of the next end step."
"He was there...he was there!
My father." —T'Challa