Peridot, Cluster Specialist

All costs on squads cost {1} less to pay.
{3}: Create a copy of target Squad Gem, but
it's an artifact in addition to its other types.
{5}, Convoke, Untap five tapped squad gems: Create a copy of five gems.
{t}, {10}, Convoke: Create a Legendary 8/8 Cluster Gem creature token.