Ao, the Dawn Sky

Flying, vigilance
When this dies, choose one -
•Look at the top seven cards of your library.
Put any number of nonland permanent cards
with total mana value 4 or less form among them
onto the battlefield. Put the rest on the bottom of
your library in a random order.
•Put two +1/+1 counters on each permanent
you control that's a creature or Vehicle.