Grid has been redesigned to eschew multiples: https://cubecobra.com/cube/overview/morigins_grid

This BETA version was one of the earlier attempts to use multiples in a low-powered design. Multiples-based, low-power design was used to create two Ravnica-based grids:

• Aggressive version: https://cubecobra.com/cube/overview/nonblack_rav_grid
• Attrition version: https://cubecobra.com/cube/overview/nonred_rav_grid