Occupying more card grids does have its drawbacks, such as fewer terms, lack of flexibility, susceptibility to control, etc.
In high-end card games, unless the attributes of the giant cards are very good, in general, players won't consider using giant cards as a priority.
Playing giant cards can feel exhilarating momentarily, but as soon as the battle line extends, various disadvantages start to emerge.
Of course, taking advantage of high panel values to dominate is also a tactic.
Yet, the kind of early advantage achieved through giant cards is not as stable in the later stages compared to advantages established through other means.
"Now, 'Spirit Master's Wings' has perfectly solved the disadvantages of giant cards.
Even I'm not sure if I should still call 'Spirit Master' a giant card.
But it indeed possesses the high health, high attack, and high score of a giant card.
Perhaps, this is the ultimate form of a giant card?"