This has bad stats and a mediocre enters trigger
You don't have the digestive system of a Ninja Turtle.) With how easy it is to bring stuff back from the graveyard, Underworld Breach(and any other card with the "escape" mechanic) really makes you wonder who's running the show down there:After an escaped spell resolves, it returns to its owners graveyard if its not a permanent spell
You can easily and cheaply increase the power of a players deck with a few custom cards
return this card to the Extra Deck, and if you do, Special Summon 1 Dragon Synchro Monster from your Extra Deck with the same Level as the targeted monster (this is treated as a Synchro Summon)
Once youre done with the tutorial, you can start immersing in rotating tournament formats
Good news is most of the White color pairs have other incentives to play them, so it should be possible to unlock the full potential here