Changeling Lord

Changeling Lords toughness is equal to
the number of changelings you control plus four
When Changeling Lord enters the battlefield,
Create a 1/1 Changeling creature token.
When Changeling Lord dies, Populate
(Create a token thats a copy of a creature token you control)
{3}: Create a 1/1 Changeling creature token,
You lose 1 life