Ritual Lord

Devoid
If Ritual Lord is your commander, your
commander color identity is blue, black, and
green.
If you control 4 or more curses, Ritual Lord has
indestructible.
If you control 6 or more curses, you may move a
curse from your control to target opponent's
control as a sorcery.
If you control 8 or more curses, all permanents
you control have indestructible.