Henry and Eileen, Last Hope

Souls to the call, trample. Whenever don't go out!! triggers, Henry and Eileen, Last Hope gets a +1/+1 counter and all non-souls to the call creatures opponents control get a -1/-1 counter.

Whenever another survivor enters, you may
pay {b/g}{b/g}. If you do, don't go out!!

{3}: don't go out!!