Orrelan, Changing Tide

Hexproof
Whenever another creature enters the battlefield,
you may pay {2} to have Orrelan, Changing Tide
become a copy of that creature, except it's name
is Orrelan, Changing Tide, and it's still legendary.
{4}: Orrelan, Changing Tide becomes a copy of
target creature, except it's name is Orrelan,
Changing Tide, and it's still legendary.
{6}: Create a nonlegenday token copy of Orrelan, Changing Tide.