White-Blue: Sphinxes? ("If you control a Sphinx/If you control a non-sphinx" effects)
White-Black: graveyard shenanigans
White-Red: Artifacts (Flyers/Phoenixes?) (Uses Monuments in white to help support the theme)
White-Green: Reverence
Green-Black: Lifegain/Crocodiles
Green-Red:
Green-Blue:
Blue-Black:
Blue-Red: Auras
Red-Black: