- Playing As Kai
- Similar to bully-type characters, Kai can benefit from cards that cause battles such as and cards that increase his ATK in battle like .
- Cards that increase Kai's movement such as and can be helpful in catching weakened opponents.
- Playing Against Kai
- As Kai's only strength is his extra attack, cards that protect the user such as and are effective against him.
- Cards that cause Kai to lose cards such as and are helpful in making Kai lose his hyper, rendering him relatively average.