The Acolyt morphs every move, the General only when it captures. The Warrior changes its jump between orthogonal and diagonal, depending on which of the two it makes. The move of the Elk depends on the square shade.
[Edit] Perhaps design 2 is closer matched ro FIDE and the value of morphing pairs is more homogeneous.
How about an army based on morphing pieces? Such as the Mad Morphers:
The Acolyt morphs every move, the General only when it captures. The Warrior changes its jump between orthogonal and diagonal, depending on which of the two it makes. The move of the Elk depends on the square shade.
[Edit] Perhaps design 2 is closer matched ro FIDE and the value of morphing pairs is more homogeneous.