Some of these "Pot" Spell cards are fantastic and see play at the highest levels of the game
The game will not auto-save after you leave the Card Shop, especially if you exit the game after that
It does have some very niche usefulness as a non-Tuner monster that can be summoned with Instant Fusion to Synchro summon Naturia Beast or Naturia Barkion, two Synchro monsters that were very powerful during the peak of X-Saber decks, it's nowhere near enough to justify taking up valuable Extra Deck space.
Prediction 1: Box Topper Madness I know there is a debate about the print run of the Ultimate Masters Box Toppers
In recent days, Trap Hole and its card variants also saw indirect support via the Traptrix Archetype, which by themselves are built around using Trap Hole and Hole cards to proc different effects
When you play this card, you have the choice to exert up to 2 selected characters, preventing them from readying at the start of their next turn