Ao, the Dawn Sky

Flying, vigilance
When Ao, the Dawn Sky 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 from 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 a Vehicle.