Ancestor's Strength

Ancestor's Strength enters the battlefield with
four rejuvenation counters on it. When it has no rejuvenation counters on it, exile it.
{u/r}{u/b}{x}: Return target creature from your
graveyard to the battlefield with converted mana
cost X. It gains bestow. attach it to a creature you control. Remove a rejuvenation counter from
Ancestor's Strength.