What are the functions and different effects of the colors of the Three Kingdoms Kill? What does this have to do with the verdict?

The colors of the Three Kingdoms Kill are divided into black and red, the black ones are grass flowers and spades, and the red ones are diamonds and hearts.

Ren Wang Dun, without the Green Sword, all black killings are invalid.

Bagua shield, when not equipped with green sword, can be judged to be killed once. Judging that the red card should be used as a flash, judging that the black card is invalid and needs to flash or lose blood.

Cheer up, this is the deciding card. You need to decide to keep playing. Note that it is a red heart, not a red card.

Lightning, judging that spades 2-9 will directly lose 3 blood.

There are several heroic skills involving color.

When you are happy, all the squares in Da Qiao can be used.

Guan regards all red cards as killings.

Zhen Ji can use all the black hands as a flash.