Ao, the Dawn Sky (Secrets of Strixhaven Commander #135)

Legendary Creature — Dragon Spirit - {3}{W}{W}
Flying, vigilance
When Ao 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 Vehicle.
5/4