Tanazir, The Splitting Image

Flying, Trample

Tanazir, The Splitting Image enters with six +1/+1 counters on it
remove three +1/+1 counters from this creature,
create a non-legendary copy of a another target dragon exept its a 0/0 it enters with a number of +1/+1 counters equal to the targets base power. This ability can only be activated twice
on each of your turns.

Join Forces( You can have two commanders if
both have join forces.)