Harbinger, Ashen Memories

Partner with Aery, Air-Headed Augur.
Haste, Flying.
Harbinger has lifelink as long as you control Aery.
When Harbinger enters the battlefield, destroy
target nonland permanent.
{t}Sacrifice Harbinger: Aery gains indestructible
until end of turn.
{3}{r} Escape. Return Harbinger from the graveyard
to the battlefield. If {b}{b} was spent on this cost, it enters with a +1/+1 counter.