This is a cube that tries to allow colorless as a 6th color. Wastes are a freely available basic land. The cube tries to balance colorless, mono colored and multicolored creatures on the board - using several tricks to not require a full 1/3rd of the cube be colorless for example.

Face-down creatures (morph or disguise) are colorless when face down and may not be when face up.

mono colored creatures making multi-color or colorless tokens.

This is a light tribal, caring about phyrexians, eldrazi, gods, and dragons, with face down creatures and legendary creatures also acting as tribes.