Diamond Communicator

{t}: Add one mana of any color in your commander's color identity.
{t}, {10}, Convoke, Sacrifice this permanent: Search your library for a Diamond card, Yellow's Beam, Blue's Greiving, Diamond
Mech, What's the Use of Feeling, Blue's Ship,
or the Human Zoo. Then you may pay {6}. If you do, create a tapped copy of Diamond Communicator.