Elfman Strauss

You may have Elfman enter the battlefield as a
copy of any creature on the battlefield, except it
has Elfman's other abilities.
Whenever another creature enters the battlefield,
you may have Elfman become a copy of that creature, except it has Elfman's other abilities.
{3}: Elfman becomes a copy of target creature,
except it has Elfman's other abilities.
"I'm fine being trash! But I won't let you call my
allies trash! As a man, I won't allow it!"