Light monsters are represented often by Fairy, Spellcaster, Thunder, Machine and at times Warrior-Types, but in general, they encompass a wide array of monsters
Having a hard answer to other peoples brutal opening moves is really good
What are the chase cards in Shiny Star V (S4A)
By contrast, the chess problem must be solved by brute force, and the number of steps this takes increases in proportion to an exponential function of the input
Amethyst & Steel In this starter deck, magical Amethyst glimmers like Merlin Shapeshifter and Madam Mim Fox keep your options open and your opponents guessing, while powerful Steel glimmers like Kronk Junior Chipmunk use brute force to overcome opposition
Having Light Barrier ensures this card stays useful, but like with Light Barrier itself, it's possible to play another copy of this card to use its effect anyway