Feixiao, the Merlins Claw

Double Strike, Haste, Vigilance, Trample

Moon Rage - Whenever Feixiao destroys a creature and deals combat damage to a player
on the same turn, put a Moon counter on her. During your upkeep if she has Four or more
Moon counters on her remove all Moon counters and she gets +5/+5 and Indestructable until end of turn.