Abigail, Branch of Qliploth

Indestructable, Menace, Ward{p/c}
Other creatures you control are also Octopus with
"{t}: Extort" and "{p/b}{p/w}{t}: Sacrifice this creature;
add 3 mana to your mana pool in any combination
of Black and White, then place a +1/-1 counter on target creature."
If Abigail, Branch of Qliploth is your commander
and leaves the field, it remains transformed in the command zone. If it is cast from the command
zone while transformed, each player sacrifices a
non-land permanent. Abigail, Little Silver