Peter Pan, Neverland’s Hero

Flying, First Stike

Soar with the Lost Boys: At the beginning of your upkeep, creatures you control with a +1/+1 counter on them gainflying until end of turn.

Never Grow Up: Whenever another creature you control with flying deals combat to a player, put a +1/+1 counter on
Peter Pan.

"All children, except one, grow up"