The summons offer an immense amount of options given that you can use nearly any chapter among the sagas on your board, like going directly to chapter II on Summon: Titan
So I got this one from a pilot, and he didnt do that bad a job with it, I gotta say
It can also be used to a great extent with mutate creatures such as Lore Drakkis and Vadrok, Apex of Thunder by resetting their mutate piles, and repeating the triggered abilities over again
Before that, not being able to use other summoning methods was not a big limitation as we only used the summoning methods that we used anyway, but after the advent of Link Summoning, since we also used Link Summons, whether fusion, synchro, or Xyz, the limitation of not being able to use powerful Link Summons itself came to be seen as a fatal limitation