Hans, Unkillable Squire

Indestructible
Whenever a creature with CMC 4 or higher enters the battlefield return Hans, Unkillable Squire to it's owners hand
As long as you control another legendary creature Hans, Unkillable Squire gets +3/+3 and has haste and "{1}{g/w}{g/w}:Return Hans, Unkillable Squire from your graveyard to the battlefield."