Dopple Weaver

Dopple Weaver comes into play as a copy
of any creature on the battlefield except
it gets +1/+1 for each creature you control.
Whenever a creature an opponent controls
dies put a +1/+1counter on Dopple Weaver.
{3}{b/r}{b/r}: Remove a +1/+1 counter from target creature and place it on Dopple Weaver.