This color combination often embodies themes of organized rebellion (Red-White) mixed with elements of sacrifice or morally grey tactics (Black), fitting the struggle against a tyrannical empire and the use of powerful, sometimes dangerous, magic
Being foiled, Sora became frustrated to the point that he had "Frightfur Leo" destroy the environment in a fit of temper, something that was picked up on by his friends
Force of Vigor is nice, but is best in mono-green, and a pricier addition
Final Fantasy XV Ardyn and Noctis represent Final Fantasy XV , and both seem to have mechanics involving playing cards from the graveyard or replacing them with Demons, in Ardyns case
Dark Is Not Evil: Gandora monsters are DARK Dragons that specialize in destroying/banishing all other monsters, including their allies, but are still used by the original series protagonist Yugi Muto